Form 10-Q - Quarterly report [Sections 13 or 15(d)]

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)


☒			QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2024


☐			TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number 1-13883

CALIFORNIA WATER SERVICE GROUP

(Exact name of registrant as specified in its charter)


Delaware						77-0448994
(State or other jurisdiction						(I.R.S. Employer Identification No.)
of incorporation or organization)

1720 North First Street

San Jose, California 95112

(Address of principal executive offices)

408-367-8200

(Registrant’s telephone number, including area code)

Not Applicable

(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class:

Trading Symbol(s)

Name of Each Exchange on Which Registered:

Common Stock, $0.01 par value per share

CWT

New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ý No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act:


Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in rule 12b-2 of the Exchange Act) Yes ☐ No ☒

As of July 23, 2024, there were 58,825,117 shares of the registrant’s common stock outstanding.

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TABLE OF CONTENTS


		Page
PART I	Financial Information	3
Item 1.	Financial Statements	3
	Condensed Consolidated Balance Sheets (unaudited) as of June 30 , 2024 and December 31, 2023	3
	Condensed Consolidated Statements of Operations (unaudited) For the Three and Six Months Ended June 30 , 2024 and 2023	4
	Condensed Consolidated Statements of Cash Flows (unaudited) For the Six Months Ended June 30 , 2024 and 2023	5
	Notes to Unaudited Condensed Consolidated Financial Statements	6
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	19
Item 3.	Quantitative and Qualitative Disclosure about Market Risk	30
Item 4.	Controls and Procedures	30

PART II	Other Information	30
Item 1.	Legal Proceedings	30
Item 1A.	Risk Factors	31
Item 5.	Other Information	31
Item 6.	Exhibits	31
	Signatures	32

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PART I—FINANCIAL INFORMATION

Item 1. FINANCIAL STATEMENTS

The condensed consolidated financial statements presented in this filing on Form 10-Q have been prepared by management and are unaudited.

CALIFORNIA WATER SERVICE GROUP

CONDENSED CONSOLIDATED BALANCE SHEETS

Unaudited (In thousands, except per share data)


	June 30, 2024		December 31, 2023
ASSETS
Utility plant:
Utility plant	$	5,141,580	$	4,925,483
Less accumulated depreciation and amortization	(1,199,399)		(1,152,228)
Net utility plant	3,942,181		3,773,255
Current assets:
Cash and cash equivalents	37,272		39,591
Restricted cash	45,403		45,375
Receivables:
Customers, net	71,125		59,349
Regulatory balancing accounts	5,495		64,240
Other, net	17,110		16,431
Accrued unbilled revenue, net	48,812		36,999
Materials and supplies	17,645		16,170
Taxes, prepaid expenses, and other assets	23,948		18,130
Total current assets	266,810		296,285
Other assets:
Regulatory assets	397,498		257,621
Goodwill	37,039		37,039
Other	227,714		231,333
Total other assets	662,251		525,993
TOTAL ASSETS	$	4,871,242	$	4,595,533
CAPITALIZATION AND LIABILITIES
Capitalization:
Common stock, $0.01 par value; 136,000 shares authorized, 58,825 and 57,724 outstanding on June 30, 2024 and December 31, 2023, respectively	$	588	$	577
Additional paid-in capital	929,376		876,583
Retained earnings	627,705		549,573
Accumulated other comprehensive loss	(13,068)		—
Noncontrolling interests	3,090		3,579
Total equity	1,547,691		1,430,312
Long-term debt, net	1,051,792		1,052,768
Total capitalization	2,599,483		2,483,080
Current liabilities:
Current maturities of long-term debt, net	1,183		672
Short-term borrowings	245,000		180,000
Accounts payable	143,533		157,305
Regulatory balancing accounts	12,754		21,540
Accrued interest	6,666		6,625
Accrued expenses and other liabilities	103,364		64,197
Total current liabilities	512,500		430,339
Deferred income taxes	363,597		352,762
Regulatory liabilities	742,842		683,717
Pension	83,266		82,920
Advances for construction	199,640		199,448
Contributions in aid of construction	289,820		286,491
Other	80,094		76,776
Commitments and contingencies (Note 9)
TOTAL CAPITALIZATION AND LIABILITIES	$	4,871,242	$	4,595,533

See Accompanying Notes to Unaudited Condensed Consolidated Financial Statements

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CALIFORNIA WATER SERVICE GROUP

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Unaudited (In thousands, except per share data)


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Operating revenue	$	244,299	$	194,044	$	515,048	$	325,144
Operating expenses:
Operations:
Water production costs	77,644		70,867		141,829		125,875
Administrative and general	32,042		34,975		67,638		70,961
Other operations	25,626		25,823		52,551		42,427
Maintenance	8,790		7,155		16,800		15,133
Depreciation and amortization	32,978		29,824		65,822		59,739
Income tax expense (benefit)	8,689		329		24,227		(5,315)
Property and other taxes	10,364		9,122		20,121		17,899
Total operating expenses	196,133		178,095		388,988		326,719
Net operating income (loss)	48,166		15,949		126,060		(1,575)
Other income and expenses:
Non-regulated revenue	5,513		4,485		10,611		9,108
Non-regulated expenses	(4,125)		(2,957)		(6,079)		(5,232)
Other components of net periodic benefit credit	4,338		4,756		7,611		9,977
Allowance for equity funds used during construction	1,819		1,355		3,561		2,759
Income tax expense on other income and expenses	(1,306)		(1,445)		(2,627)		(3,239)
Net other income	6,239		6,194		13,077		13,373
Interest expense:
Interest expense	14,840		13,491		30,640		26,309
Allowance for borrowed funds used during construction	(812)		(795)		(1,570)		(1,624)
Net interest expense	14,028		12,696		29,070		24,685
Net income (loss)	40,377		9,447		110,067		(12,887)
Net loss attributable to noncontrolling interests	(174)		(109)		(401)		(232)
Net income (loss) attributable to California Water Service Group	$	40,551	$	9,556	$	110,468	$	(12,655)
Earnings (loss) per share:
Basic	$	0.70	$	0.17	$	1.90	$	(0.23)
Diluted	$	0.70	$	0.17	$	1.90	$	(0.23)
Weighted average shares outstanding:
Basic	58,292		56,692		58,013		56,182
Diluted	58,325		56,730		58,046		56,182

See Accompanying Notes to Unaudited Condensed Consolidated Financial Statements

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CALIFORNIA WATER SERVICE GROUP

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

Unaudited (In thousands)


	Six Months Ended June 30,
	2024		2023
Operating activities:
Net income (loss)	$	110,067	$	(12,887)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	66,929		60,744
Change in value of life insurance contracts	(1,811)		(2,620)
Allowance for equity funds used during construction	(3,561)		(2,759)
Changes in operating assets and liabilities:
Receivables and accrued unbilled revenue	(16,859)		(2,187)
Water Arrearages Payment Program cash received	83,039		—

Accounts payable	(10,545)		(836)
Other current assets	(6,680)		(1,557)
Other current liabilities	7,314		(6,828)
Other changes in noncurrent assets and liabilities	(106,954)		6,451
Net cash provided by operating activities	120,939		37,521
Investing activities:
Utility plant expenditures	(214,414)		(177,189)
Life insurance proceeds	1,426		—
Purchase of life insurance contracts	(1,426)		—
Proceeds from sale of property	48		—
Asset acquisitions	—		(102)
Net cash used in investing activities	(214,366)		(177,291)
Financing activities:
Short-term borrowings, net of debt issuance costs of $0 for 2024 and $1,552 for 2023	295,000		148,448
Repayment of short-term borrowings	(230,000)		(90,000)
Repayment of long-term debt	(416)		(1,333)
Advances and contributions in aid of construction	10,936		9,129
Refunds of advances for construction	(4,865)		(4,791)
Repurchase of common stock	(1,235)		(1,650)
Issuance of common stock	53,381		113,921
Dividends paid	(32,336)		(29,027)
Distribution to noncontrolling interest	(489)		(288)
Others	1,160		—
Net cash provided by financing activities	91,136		144,409
Change in cash, cash equivalents, and restricted cash	(2,291)		4,639
Cash, cash equivalents, and restricted cash at beginning of period	84,966		85,025
Cash, cash equivalents, and restricted cash at end of period	$	82,675	$	89,664
Supplemental information:
Cash paid for interest (net of amounts capitalized)	$	28,178	$	23,677
Supplemental disclosure of non-cash activities:
Accrued payables for investments in utility plant	$	51,824	$	49,452
Utility plant contribution by developers	$	14,159	$	15,312

See Accompanying Notes to Unaudited Condensed Consolidated Financial Statements

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CALIFORNIA WATER SERVICE GROUP

Notes to Unaudited Condensed Consolidated Financial Statements

June 30, 2024

Dollar amounts in thousands, unless otherwise stated

Note 1. Organization and Operations and Basis of Presentation

California Water Service Group (Company) is a holding company that provides water utility and other related services in California, Washington, New Mexico, Hawaii, and Texas through its wholly-owned and non-wholly owned subsidiaries. California Water Service Company (Cal Water), Washington Water Service Company (Washington Water), New Mexico Water Service Company (New Mexico Water), and Hawaii Water Service Company, Inc. (Hawaii Water) provide regulated utility services under the rules and regulations of their respective state’s regulatory commissions (jointly referred to as the Commissions). CWS Utility Services and HWS Utility Services LLC provide non-regulated water utility and utility-related services. TWSC, Inc. (Texas Water) holds regulated and contracted wastewater utilities. Regulated wastewater utilities held by Texas Water’s investment in joint venture with BVRT Utility Holding Company (BVRT) provide services under the rules and regulation of the Texas Public Utilities Commission.

The Company operates in one reportable segment, providing water and water-related utility services.

Basis of Presentation

The unaudited condensed consolidated interim financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information and in accordance with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X promulgated by the Securities and Exchange Commission (SEC) and therefore do not contain all of the information and footnotes required by GAAP and the SEC for annual financial statements. Interim financial information includes the Company’s accounts and those of its wholly and non-wholly owned subsidiaries. The non-wholly owned subsidiary was consolidated using the voting interest model as the Company owns a majority of the non-wholly owned subsidiary’s voting interests. The interim unaudited condensed consolidated financial statements should be read in conjunction with the Company’s consolidated financial statements included in its Annual Report on Form 10-K for the year ended December 31, 2023 as filed with the SEC on February 29, 2024.

The preparation of the Company’s unaudited condensed consolidated interim financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the balance sheet dates and the reported amounts of revenues and expenses for the periods presented. These include, but are not limited to, estimates and assumptions used in determining the Company’s regulatory asset and liability balances based upon probability assessments of regulatory recovery, utility plant useful lives, revenues earned but not yet billed, asset retirement obligations, allowance for credit losses, pension and other employee benefit plan liabilities, and income tax-related assets and liabilities. Actual results could materially differ from these estimates.

In the opinion of management, the accompanying unaudited condensed consolidated interim financial statements reflect all adjustments, consisting of normal recurring transactions that are necessary to provide a fair presentation of the results for the periods covered.

Due to the seasonal nature of the water business, the results for interim periods are not indicative of the results for a 12-month period. Revenue and income are generally higher in the warm, dry summer months when water usage and sales are greater. Revenue and income are generally lower in the winter months when cooler temperatures and rainfall curtail water usage and sales.

Noncontrolling Interests

Noncontrolling interests in the Company’s unaudited condensed consolidated financial statements represents the 6.2% interest not owned by Texas Water in a consolidated subsidiary. Texas Water obtained control over the subsidiary on May 1, 2021. Since the Company controls this subsidiary, its financial statements are consolidated with those of the Company, and the noncontrolling owner’s 6.2% share of the subsidiary’s net assets and results of operations is deducted and reported as noncontrolling interests on the unaudited Condensed Consolidated Balance Sheet and as net loss attributable to noncontrolling interests in the unaudited Condensed Consolidated Statement of Operations. The Company reports noncontrolling interests in consolidated entities as a component of equity separate from the Company’s equity. The Company’s net income (loss) attributable to California Water Service Group excludes the net loss attributable to the noncontrolling interests.

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Note 2. Summary of Significant Accounting Policies

Operating Revenue

The following table disaggregates the Company’s operating revenue by source for the three and six months ended June 30, 2024 and 2023:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Revenue from contracts with customers	$	226,665	$	194,206	$	381,566	$	339,431
Regulatory balancing account revenue	17,634		(162)		133,482		(14,287)
Total operating revenue	$	244,299	$	194,044	$	515,048	$	325,144

Revenue from contracts with customers

The Company principally generates operating revenue from contracts with customers by providing regulated water and wastewater services at tariff-rates authorized by the Commissions in the states in which they operate and non-regulated water and wastewater services at rates authorized by contracts with government agencies. Revenue from contracts with customers reflects amounts billed for the volume of consumption at authorized per unit rates, for a service charge, and for other authorized charges.

The Company satisfies its performance obligation to provide water and wastewater services over time as services are rendered. The Company applies the invoice practical expedient and recognizes revenue from contracts with customers in the amount for which the Company has a right to invoice. The Company has a right to invoice for the volume of consumption, for the service charge, and for other authorized charges.

The measurement of sales to customers is generally based on the reading of their meters, which occurs on a systematic basis throughout the month. At the end of each month, the Company estimates consumption since the date of the last meter reading and the corresponding accrued unbilled revenue is recognized. The estimate is based upon the number of unbilled days that month and the average daily customer billing rate from the previous month (which fluctuates based upon customer usage).

Contract terms are generally short-term and at will by customers and, as a result, no separate financing component is recognized for the Company’s collections from customers, which generally require payment within 30 days of billing. The Company applies judgment, based principally on historical payment experience, in estimating its customers’ ability to pay.

Certain customers are not billed for volumetric consumption, but are instead billed a flat rate at the beginning of each monthly service period. The amount is advance billed and is initially deferred. Subsequently, it is recognized over the monthly service period, as the performance obligation is satisfied. The deferred revenue balance or contract liability, which is included in “accrued expenses and other liabilities” on the unaudited Condensed Consolidated Balance Sheets, is inconsequential.

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In the following table, revenue from contracts with customers is disaggregated by class of customers for the three and six months ended June 30, 2024 and 2023:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Residential	$	122,251	$	108,741	$	214,744	$	192,775
Business	41,906		37,846		76,455		69,820
Multiple residential	18,043		16,504		34,912		31,501
Industrial	7,119		5,874		13,759		11,508
Public authorities	10,918		8,991		17,880		15,416
Other (a)	26,428		16,250		23,816		18,411
Total revenue from contracts with customers	$	226,665	$	194,206	$	381,566	$	339,431

(a) Other includes accrued unbilled revenue

Regulatory balancing account revenue

Regulatory balancing account revenue is revenue related to revenue mechanisms authorized in California by the California Public Utilities Commission (CPUC). For certain revenue mechanisms, the Company recognizes revenue when it is objectively determinable, probable of recovery and expected to be collected within 24 months following the end of the accounting period. To the extent that revenue is estimated to be collectible beyond 24 months, recognition is deferred. These mechanisms include the Monterey-Style Water Revenue Adjustment Mechanism (MWRAM) which was approved in Cal Water’s 2021 General Rate Case (GRC) filing (2021 GRC) in March of 2024. The MWRAM tracks the difference between the revenue received for actual metered sales through the tiered volumetric rate and the revenue that would have been received with the same actual metered sales if a uniform rate had been in effect. The MWRAM is effective retroactive to January 1, 2023. During the three and six months ended June 30, 2024, the Company recorded $8.2 million and $39.3 million, respectively, of MWRAM revenue.

These mechanisms also include the Water Revenue Adjustment Mechanism (WRAM) which decoupled revenue from the volume of sales and allowed the Company to recognize the adopted level of volumetric revenues. The variance between adopted volumetric revenues and actual billed volumetric revenues for metered accounts was recorded as regulatory balancing account revenue. The WRAM concluded on December 31, 2022; however, the Company has a net WRAM receivable balance for which the Company continues to defer revenue recognition for amounts estimated to be collected beyond 24 months following the end of the accounting period. The Company applied a portion of the proceeds from the California Extended Water and Wastewater Arrearages Payment Program (Extended Program) to eligible customer WRAM balances as discussed below under Allowance for Credit Losses.

Regulatory balancing accounts also include revenue that is recognized for balancing and memorandum accounts when it is probable that future recovery of previously incurred costs or future refunds that are to be credited to customers will occur through the ratemaking process. As a result of the delay in the approval of the 2021 GRC, the CPUC authorized Cal Water to track the effect of the delay on customer billings in an Interim Rates Memorandum Account (IRMA) effective January 1, 2023. Variances between actual customer billings and those that would have been billed assuming the 2021 GRC had been implemented on January 1, 2023 were recorded as regulatory balancing account revenue. The 2021 GRC was approved in March of 2024 and final authorized rates were implemented effective May 31, 2024; as a result, Cal Water calculated and recorded this difference for all of 2023 and the first five months of 2024. Cal Water determined that the IRMA met regulatory asset recognition criteria under accounting standards for regulated utilities. During the three and six months ended June 30, 2024, the Company recorded $7.9 million and $88.6 million, respectively, of revenue for the IRMA.

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Non-Regulated Revenue

The following table disaggregates the Company’s non-regulated revenue by source for the three and six months ended June 30, 2024 and 2023:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Operating and maintenance revenue	$	3,188	$	3,075	$	6,436	$	6,310
Other non-regulated revenue	1,720		800		2,949		1,582
Non-regulated revenue from contracts with customers	4,908		3,875		9,385		7,892
Lease revenue	605		610		1,226		1,216
Total non-regulated revenue	$	5,513	$	4,485	$	10,611	$	9,108

Operating and maintenance services are provided for non-regulated water and wastewater systems owned by private companies and municipalities. The Company negotiates formal agreements with the customers under which the Company provides operating, maintenance and customer billing services related to the customers’ water system. The formal agreements outline the fee schedule for the services provided. The agreements typically call for a fee-per-service or a flat-rate amount per month. The Company satisfies its performance obligation of providing operating and maintenance services over time as services are rendered; as a result, the Company employs the invoice practical expedient and recognizes revenue in the amount that it has the right to invoice. Contract terms are generally short-term and, as a result, no separate financing component is recognized for its collections from customers, which generally require payment within 30 days of billing.

Other non-regulated revenue primarily relates to services for the design and installation of water mains and other water infrastructure for customers outside the regulated service areas and insurance program administration.

Lease revenue is not considered revenue from contracts with customers and is recognized following operating lease standards. The Company is the lessor in operating lease agreements with telecommunications companies under which cellular phone antennas are placed on the Company’s property.

Allowance for Credit Losses

The Company measures expected credit losses for Customer Receivables, Other Receivables, and Accrued Unbilled Revenue on an aggregated level. These receivables are generally trade receivables due in one year or less or expected to be billed and collected in one year or less. The expected credit losses for Other Receivables and Accrued Unbilled Revenue are inconsequential. Customer receivables include receivables for water and wastewater services provided to residential customers, business, industrial, public authorities, and other customers. The expected credit losses for business, industrial, public authorities, and other customers are inconsequential. The overall risks related to the Company’s receivables are low as water and wastewater services are seen as essential services. The estimate for the allowance for credit losses is based on a historical loss ratio, in conjunction with a qualitative assessment of elements that impact the collectability of receivables to determine if the allowance for credit losses should be further adjusted in accordance with the accounting guidance for credit losses. Management contemplates available current information such as changes in economic factors, regulatory matters, industry trends, payment options and programs available to customers, and the methods that the Company is able to use to ensure payment.

The Company reviews its allowance for credit losses utilizing a quantitative assessment, which includes a trend analysis of customer billings and collections, agings by customer class, and unemployment rates. The Company also utilizes a qualitative assessment, which considers the future collectability of customer outstanding balances, management’s estimate of the cash recovery, and a general assessment of the economic conditions in the locations the Company serves. Based on these assessments, the Company adjusts its allowance for credit losses. The Company has also taken into account $82.0 million of funds that the Company received in April of 2024 from the Extended Program for eligible customers in California of which $57.5 million was applied to eligible past due customer balances during the second quarter of 2024. The remaining balance is expected to be returned to the State Water Resources Control Board (Water Board) in the fourth quarter of 2024 and is included in “accrued expenses and other liabilities” on the unaudited Condensed Consolidated Balance Sheet. The Extended Program was created by the California Legislature, and is administered by the Water Board

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and provides relief to community water and wastewater systems for unpaid bills – arrearages – related to the COVID-19 pandemic. Based on the above assessments, the Company determines its allowance for credit losses.

The following table presents the activity in the allowance for credit losses for the six months ended June 30, 2024 and twelve months ended December 31, 2023:


	June 30, 2024		December 31, 2023
Beginning balance	$	2,854	$	5,629
Provision for credit loss expense	1,611		2,480
Write-offs	(1,554)		(5,795)
Recoveries	238		540
Total ending allowance balance	$	3,149	$	2,854

Cash, Cash Equivalents, and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash within the unaudited Condensed Consolidated Balance Sheets that sum to the total of the same such amounts shown on the unaudited Condensed Consolidated Statements of Cash Flows (see Note 9 for further details on restricted cash):


	June 30, 2024		December 31, 2023
Cash and cash equivalents	$	37,272	$	39,591
Restricted cash	45,403		45,375
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows	$	82,675	$	84,966

Earnings (Loss) per Share

Basic earnings (loss) per share of common stock is computed by dividing the net income (loss) attributable to California Water Service Group by the weighted average number of common shares outstanding during the period. Diluted earnings per share reflect the potential dilution that could occur if securities or other contracts were exercised or converted into common stock. Restricted Stock Awards (RSAs) are included in the common shares outstanding because the shares have all the same voting and dividend rights as issued and unrestricted common stock.

New Accounting Standards and SEC Rules

In November 2023, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures which expands annual and interim disclosure requirements for reportable segments, primarily through enhanced disclosures about significant segment expenses. ASU 2023-07 is effective for the Company’s annual periods beginning January 1, 2024, and for interim periods beginning January 1, 2025, with early adoption permitted. The guidance requires retrospective presentation of all prior periods presented in the financial statements. The Company is currently evaluating the potential effect that the updated standard will have on its financial statement disclosures and does not expect to early adopt.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures to expand the disclosure requirements for income taxes, specifically related to the rate reconciliation and income taxes paid. ASU 2023-09 is effective for the Company's annual periods beginning January 1, 2025, with early adoption permitted. The guidance is applied prospectively with the option of retrospective application for each period presented. The Company is currently evaluating the potential effect that the updated standard will have on its financial statement disclosures and does not expect to early adopt.

In March 2024, the SEC issued SEC Release No. 33-11275, The Enhancement and Standardization of Climate-Related Disclosures for Investors. The final rules enhance disclosures related to the risks and impacts of climate-related matters. In April 2024, the SEC voluntarily stayed the new rules as a result of pending legal challenges. The new rules, if they become effective as adopted, would require various disclosures related to climate-related risks if those risks could have a material impact on the Company’s business, results of operations, or financial condition. Required disclosures would also include information about the Company’s greenhouse gas emissions, if material. In addition, the rules would require disclosure of certain climate-related financial metrics in the Company’s financial statements. The final rules, if they become effective as adopted, would be effective no earlier than the Company’s Annual Report on Form 10-K for the year ending December 31, 2025. The Company is currently evaluating the potential effect that the rules will have on its financial statement disclosures.

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Note 3. Stock-Based Compensation

The Company’s 2024 Equity Incentive Plan (2024 Plan) was adopted by the Board of Directors and approved by stockholders on May 29, 2024. The Company reserved 1,600,000 shares of common stock for 2024 Plan awards.

In June of 2024, the Company granted Restricted Stock Awards (RSAs) to Officers and members of the Board of Directors (Directors). Generally, an RSA share represents the right to receive a share of the Company’s common stock and is valued based on the fair market value of the Company’s common stock at the date of grant. The 2024 RSAs granted to Officers vest over 33 months with the first 9 months cliff vesting. RSA granted to the Directors in 2024 vest at the end of 9 months. The 2024 RSAs are recognized as expense evenly over 33 months for the shares granted to Officers and 9 months for the shares granted to the Directors. As of June 30, 2024, there was approximately $3.8 million of total unrecognized compensation cost related to RSAs. The cost is expected to be recognized over a weighted average period of 1.7 years.

A summary of the status of the outstanding RSAs as of June 30, 2024 is presented below:


	Number of RSA Shares	Weighted-Average Grant-Date Fair Value
RSAs at January 1, 2024	53,303	$	55.48
Granted	58,556	49.62
Vested	(32,869)	55.32

RSAs at June 30, 2024	78,990	$	51.20

In June of 2024, the Company granted performance-based Restricted Stock Units (RSUs) to Officers. Generally, an RSU represents the right to receive a share of the Company’s common stock. Each award reflects a target number of shares of common stock that may be issued to the award recipient. The 2024 awards may be earned upon the completion of a 33 month performance period. Whether RSUs are earned at the end of the performance period will be determined based on the achievement of certain performance objectives set by the Organization and Compensation Committee of the Board of Directors in connection with the issuance of the RSUs. The performance objectives are based on the Company’s business plan covering the performance period. The performance objectives include achieving the budgeted return on equity, growth in stockholders’ equity, and application submission targets of grant funding. Depending on the results achieved during the 33 month performance period, the actual number of shares that a grant recipient receives at the end of the performance period may range from 0% to 200% of the target shares granted, provided that the grantee is continuously employed by the Company through the vesting date. If prior to the vesting date employment is terminated by reason of death, disability or normal retirement, then a pro rata portion of this award will vest. The RSUs are recognized as expense ratably over the 33 month performance period using a fair market value of the Company’s common stock at the date of grant and an estimated number of RSUs earned during the performance period. As of June 30, 2024, there was approximately $4.9 million of total unrecognized compensation cost related to RSUs. The cost is expected to be recognized over a weighted average period of 2.0 years.

A summary of the status of outstanding RSUs as of June 30, 2024 is presented below:


	Number of RSU Shares	Weighted-Average Grant-Date Fair Value
RSUs at January 1, 2024	93,078	$	55.41
Granted	66,821	49.62
Performance criteria adjustment	13,735	53.96
Vested	(36,394)	53.96

RSUs at June 30, 2024	137,240	$	52.83

The Company has recorded compensation costs for the RSAs and RSUs which are included in administrative and general operating expenses in the amount of $0.4 million and $1.4 million for the three months ended June 30, 2024 and 2023, respectively. For the six months ended June 30, 2024 and 2023, the Company has recorded compensation costs for the RSAs and RSUs in the amount of $1.1 million and $1.5 million, respectively.

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Note 4. Equity

On April 29, 2022, the Company entered into an equity distribution agreement to sell shares of its common stock having an aggregate gross sales price of up to $350.0 million from time to time depending on market conditions through an at-the-market equity program over the next three years. The Company intends to use the net proceeds from these sales, after deducting commissions and offering expenses, for general corporate purposes, which may include working capital, construction and acquisition expenditures, investments and repurchases, and redemptions of securities. The Company sold 1,000,000 shares of common stock through its at-the-market equity program and raised proceeds of $52.0 million, net of $0.5 million in commissions paid under the equity distribution agreement, during the three and six months ended June 30, 2024.

During the three months ended June 30, 2023, the Company sold 1,699,849 shares of common stock through its at-the market equity program and raised proceeds of $94.5 million, net of $1.0 million in sales commissions. During the six months ended June 30, 2023, the Company sold 2,025,891 shares of common stock through its at-the-market equity program and raised proceeds of $112.7 million, net of $1.1 million in sales commissions.

The Company’s changes in total equity for the six months ended June 30, 2024 and 2023 were as follows:


	Six Months Ended June 30, 2024
	Common Stock			Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests		Total Equity

	Shares	Amount
	(In thousands)
Balance at January 1, 2024	57,724	$	577	$	876,583	$	549,573	$	—	$	3,579	$	1,430,312
Net income	—	—		—		69,917		—		(227)		69,690
Issuance of common stock	55	1		1,506		—		—		—		1,507
Repurchase of common stock	(25)	—		(1,142)		—		—		—		(1,142)
Dividends paid on common stock ($0.2800 per share)	—	—		—		(16,164)		—		—		(16,164)
Adjustment for unrecoverable pension benefit plan costs	—	—		—		—		(13,663)		—		(13,663)
Amounts reclassified to earnings (a)	—	—		—		—		297		—		297
Investment in business with noncontrolling interest	—	—		(53)		—		—		53		—
Balance at March 31, 2024	57,754	578		876,894		603,326		(13,366)		3,405		1,470,837
Net income	—	—		—		40,551		—		(174)		40,377
Issuance of common stock	1,073	10		52,923		—		—		—		52,933
Repurchase of common stock	(2)	—		(93)		—		—		—		(93)
Dividends paid on common stock ($0.2800 per share)	—	—		—		(16,172)		—		—		(16,172)
Amounts reclassified to earnings (a)	—	—		—		—		298		—		298
Investment in business with noncontrolling interest	—	—		(348)		—		—		348		—
Distribution to noncontrolling interest	—	—		—		—		—		(489)		(489)
Balance at June 30, 2024	58,825	$	588	$	929,376	$	627,705	$	(13,068)	$	3,090	$	1,547,691

(a) This accumulated other comprehensive loss component is included in the computation of net periodic costs for the Company’s supplemental executive retirement plan (SERP), specifically the following components: amortization of unrecognized (gain) loss and amortization of prior service credit.

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	Six Months Ended June 30, 2023
	Common Stock			Additional Paid-in Capital		Retained Earnings		Noncontrolling Interests		Total Equity

	Shares	Amount
	(In thousands)
Balance at January 1, 2023	55,598	$	556	$	760,336	$	556,698	$	4,804	$	1,322,394
Net loss	—	—		—		(22,211)		(123)		(22,334)
Issuance of common stock	420	4		17,380		—		—		17,384
Repurchase of common stock	(27)	—		—		—		—		—
Dividends paid on common stock ($0.2600 per share)	—	—		—		(14,456)		—		(14,456)
Investment in business with noncontrolling interest	—	—		(111)		—		111		—
Balance at March 31, 2023	55,991	560		777,605		520,031		4,792		1,302,988
Net income (loss)	—	—		—		9,556		(109)		9,447
Issuance of common stock	1,713	17		96,482		—		—		96,499
Repurchase of common stock	(2)	—		(108)		—		—		(108)
Dividends paid on common stock ($0.2600 per share)	—	—		—		(14,571)		—		(14,571)
Investment in business with noncontrolling interest	—	—		(56)		—		56		—
Distribution to noncontrolling interest	—	—		—		—		(288)		(288)
Balance at June 30, 2023	57,702	$	577	$	873,923	$	515,016	$	4,451	$	1,393,967

In Cal Water’s 2021 GRC decision that was issued in March of 2024, SERP expenses were not approved to be recovered from customers for the years 2023, 2024 and 2025. Without regulatory recovery, Cal Water no longer meets the regulatory asset recognition criteria to record the unrecognized prior service costs and actuarial gain and loss amounts related to the SERP as a regulatory asset. The Company has applied compensation recognition guidance and recorded the unrecognized prior service costs and actuarial gains and losses to accumulated other comprehensive loss. In the first quarter of 2024, the Company reclassified $13.7 million to accumulated other comprehensive loss, which is Cal Water’s cumulative portion of the regulatory asset.

Note 5. Pension Plan and Other Postretirement Benefits

The Company provides a qualified, defined-benefit, non-contributory pension plan for substantially all its employees. The Company makes annual contributions to fund amounts accrued for the qualified pension plan. The Company also maintains an unfunded, non-qualified SERP. The costs of the plans are charged to expense or are capitalized in utility plant as appropriate.

The Company offers medical, dental, vision, and life insurance benefits for retirees and their spouses and dependents. Participants are required to pay a premium, which offsets a portion of the cost.

Cash contributions made by the Company to the pension plans were $0.2 million and $2.9 million for the six months ended June 30, 2024 and 2023, respectively. No cash contributions were made by the Company to the other postretirement benefit plans for the six months ended June 30, 2024. The Company made cash contributions of $0.2 million to the other postretirement benefit plans for the six months ended June 30, 2023. The Company estimates in 2024 that the annual contribution to the pension plans will be $0.7 million and the annual contribution to the other postretirement plans will be $0.2 million.

The following table lists components of net periodic benefit costs for the pension plans and other postretirement benefits. The data listed under “pension plan” includes the qualified pension plan and the non-qualified SERP. The data listed under “other benefits” is for all other postretirement benefits.

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	Pension Plan				Other Benefits
	Three Months Ended June 30,
	2024		2023		2024		2023
Service cost	$	5,648	$	6,046	$	1,520	$	1,126
Interest cost	8,881		8,746		1,684		1,297
Expected return on plan assets	(13,236)		(13,421)		(2,987)		(2,636)
Amortization of prior service cost	131		131		39		39
Recognized net actuarial (gain) loss	189		(637)		(198)		(581)
Net periodic benefit cost (credit)	$	1,613	$	865	$	58	$	(755)


	Pension Plan				Other Benefits
	Six Months Ended June 30,
	2024		2023		2024		2023
Service cost	$	11,296	$	12,092	$	3,040	$	2,252
Interest cost	17,762		17,492		3,368		2,595
Expected return on plan assets	(26,472)		(26,842)		(5,974)		(5,271)
Amortization of prior service cost	262		262		78		77
Recognized net actuarial (gain) loss	378		(1,274)		(396)		(1,163)
Net periodic benefit cost (credit)	$	3,226	$	1,730	$	116	$	(1,510)

Service cost portion of the pension plan and other postretirement benefits is recognized in administrative and general expenses within the unaudited Condensed Consolidated Statements of Operations. Other components of net periodic benefit costs include interest costs, expected return on plan assets, amortization of prior service costs, and recognized net actuarial loss and are reported together as other components of net periodic benefit cost within the unaudited Condensed Consolidated Statements of Operations.

Note 6. Short-term and Long-term Borrowings

On March 31, 2023, the Company and Cal Water entered into syndicated credit agreements, which provide for unsecured revolving credit facilities of up to an initial aggregate amount of $600.0 million for a term of five years. The Company and subsidiaries that it designates may borrow up to $200.0 million under the Company’s revolving credit facility (the Company facility). Cal Water may borrow up to $400.0 million under its revolving credit facility (the Cal Water facility). Additionally, the credit facilities may be increased by up to an incremental $150.0 million under the Cal Water facility and $50.0 million under the Company facility, subject in each case to certain conditions. At the Company’s or Cal Water’s option, as applicable, borrowings under the Company and Cal Water facilities, as applicable, will bear interest annually at a rate equal to (i) the base rate, plus an applicable margin of 0.00% to 0.250%, depending on the Company and its subsidiaries’ consolidated total capitalization ratio, or (ii) Term SOFR, plus an applicable margin of 0.800% to 1.250%, depending on the Company and its subsidiaries’ consolidated total capitalization ratio.

The Company and Cal Water facilities contain affirmative and negative covenants and events of default customary for credit facilities of this type including, among other things, limitations and prohibitions relating to additional indebtedness, liens, mergers, and asset sales. Also, the Company and Cal Water facilities contain financial covenants governing the Company and its subsidiaries’ consolidated total capitalization ratio and interest coverage ratio. As of June 30, 2024, the Company and Cal Water are in compliance with all of the covenant requirements and are eligible to use the full amount of the undrawn portion of the Company and Cal Water facilities, as applicable.

Outstanding borrowings on the Company lines of credit as of June 30, 2024 and December 31, 2023 were $25.0 million and $50.0 million, respectively. Outstanding borrowings on the Cal Water lines of credit as of June 30, 2024 and December 31, 2023 were $220.0 million and $130.0 million, respectively. The average borrowing rate for borrowings on the Company and Cal Water lines of credit during the six months ended June 30, 2024 was 6.38% compared to 5.78% for the same period last year.

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Note 7. Income Taxes

The Company adjusts its effective tax rate each quarter to be consistent with the estimated annual effective tax rate. The Company also records the tax effect of unusual or infrequently occurring discrete items.

The provision for income taxes is shown in the tables below:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Income tax expense (benefit)	$	9,995	$	1,774	$	26,854	$	(2,076)

Income tax expense increased $8.2 million to $10.0 million for the three months ended June 30, 2024 as compared to $1.8 million for the three months ended June 30, 2023, primarily due to an increase in pre-tax operating income which resulted from the 2021 GRC decision.

Income tax expense increased $29.0 million to $26.9 million for the six months ended June 30, 2024 as compared to $2.1 million tax benefit for the six months ended June 30, 2023, primarily due to an increase in pre-tax operating income, which resulted from the 2021 GRC decision.

The Company’s effective tax rate was 19.6% and 14.9% before discrete items as of June 30, 2024 and June 30, 2023. The increase in the effective tax rate was primarily due to the recognition of income related to the 2021 GRC decision.

On June 27, 2024, California Senate Bill 167 (SB 167) was enacted into law. SB 167 provides for a three-year suspension of net operating losses under the California Corporation tax. Among other things, this new law temporarily disallows the use of net operating loss for years beginning in 2024 through 2026. As a result of the passage of SB 167, the Company accrued approximately $9.4 million of California income taxes for the six months ended June 30, 2024.

The Company had unrecognized tax benefits of approximately $17.0 million and $14.4 million as of June 30, 2024 and 2023, respectively. Included in the balance of unrecognized tax benefits as of June 30, 2024 and 2023, is $5.1 million and $4.6 million, respectively, of tax benefits that, if recognized, would result in an adjustment to the Company’s effective tax rate. The Company does not expect its unrecognized tax benefits to change significantly within the next 12 months.

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Note 8. Regulatory Assets and Liabilities

Regulatory assets and liabilities were comprised of the following as of June 30, 2024 and December 31, 2023:


	Recovery Period	June 30, 2024		December 31, 2023
Regulatory Assets
Property-related temporary differences (tax benefits flowed through to customers)	Indefinite	$	158,486	$	158,486
IRMA long-term accounts receivable	1 - 2 years	92,065		3,430
MWRAM	1 year	38,566		—
Other accrued benefits	Indefinite	26,917		25,363
Asset retirement obligations, net	Indefinite	28,311		26,686
Tank coating	Various	20,480		19,602
Customer assistance program (CAP) and Rate support fund (RSF) accounts receivable	1 year	10,015		2,459
Net WRAM and Modified Cost Balancing Account (MCBA) long-term accounts receivable	Various	5,199		10,738
Pension Cost Balancing Account (PCBA)	Various	4,829		4,182
Recoverable property losses	Various	2,791		3,121
Other regulatory assets	Various	9,839		3,554
Total Regulatory Assets		$	397,498	$	257,621
Regulatory Liabilities
Cost of removal		$	464,980	$	447,356
Future tax benefits due to customers		118,051		118,051
Pension and retiree group health		102,120		88,728
Other components of net periodic benefit cost		15,160		10,348
PCBA		12,642		8,972
Incremental cost balancing account (ICBA)		12,704		—
IRMA long-term regulatory liability		8,032		—
Health Cost Balancing Account (HCBA)		3,606		3,242
Net WRAM and MCBA long-term payable		2,860		2,071
Conservation Expense Balancing Account		1,058		1,200
RSF regulatory liability		—		2,116
Other regulatory liabilities		1,629		1,633
Total Regulatory Liabilities		$	742,842	$	683,717

The IRMA regulatory asset increase was for the additional amount the Company would have billed customers in 2023 and the first five months of 2024 had the 2021 GRC been approved on time. The IRMA regulatory liability represents additional CAP and RSF credits the Company would have provided to customers in 2023 and the first five months of 2024 had the 2021 GRC been approved on time.

The MWRAM regulatory asset represents the difference between the revenue received for actual metered sales through the tiered volumetric rate and the revenue that would have been received with the same actual metered sales if a uniform rate had been in effect.

The ICBA tracks differences between the authorized prices of water production costs and actual prices of water production costs. During the six months ended June 30, 2024, the Company recorded a regulatory liability for certain service territories of $12.7 million as the authorized water production costs were higher than actual water production costs. The Company also recorded a regulatory asset for certain service territories of $3.5 million as the authorized water production costs were lower than actual water production costs. The ICBA regulatory asset is part of “Other regulatory assets” in the table above.

Short-term regulatory assets and liabilities are excluded from the above table. The short-term regulatory assets were $5.5 million as of June 30, 2024 and $64.2 million as of December 31, 2023. The short-term regulatory assets as of June 30, 2024 and December 31, 2023, primarily consisted of net WRAM and MCBA, and PCBA receivables and are included in current assets as part of regulatory balancing accounts on the unaudited Condensed Consolidated Balance Sheets.

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The short-term portion of regulatory liabilities were $12.8 million as of June 30, 2024 and $21.5 million as of December 31, 2023. The short-term regulatory liabilities as of June 30, 2024 and December 31, 2023, primarily consisted of Tax Cuts and Jobs Act regulatory liabilities and HCBA liabilities and are included in current liabilities as part of regulatory balancing accounts on the unaudited Condensed Consolidated Balance Sheets.

Note 9. Commitments and Contingencies

Commitments

The Company has long-term commitments to purchase water from water wholesalers. The Company also has operating and finance leases for water systems, offices, land easements, licenses, equipment, and other facilities. These commitments and leases are described in the Company’s Annual Report on Form 10-K for the year ended December 31, 2023.

On August 16, 2022, BVRT, a majority owned subsidiary of Texas Water, through BVRT’s wholly owned subsidiary, Camino Real Utility (Camino Real), entered into a long-term water supply agreement with the Guadalupe Blanco River Authority (GBRA). The Company has provided a limited guarantee to GBRA for agreed upon obligations. GBRA is a water conservation and reclamation district established by the Texas Legislature that oversees water resources for 10 counties. Under the terms of the agreement with GBRA, Camino Real is contracted to receive up to 2,419 acre-feet of potable water annually. The GBRA agreement involves four off-takers, including Camino Real. GBRA plans to extend a potable water pipeline from the City of Lockhart to the City of Mustang Ridge and surrounding areas. Camino Real is contracted to be the utility service provider in this area of the Austin metropolitan region and to provide potable water, recycled water, and wastewater services to portions of the City of Mustang Ridge and surrounding areas. In 2022, Camino Real committed $21.5 million for its share of the cost of the pipeline project. In 2023, Camino Real committed an additional $22.3 million for its share of the cost of the pipeline project. As of June 30, 2024, this committed cash has not been transferred to GBRA and is classified as part of restricted cash on the unaudited Condensed Consolidated Balance Sheets. The Company currently expects the committed cash to be transferred to GBRA before the end of 2024.

Contingencies

Groundwater Contamination

The Company has undertaken litigation against third parties to recover past and future costs related to groundwater contamination in our service areas. The cost of litigation is generally expensed as incurred and any settlement is first offset against such costs. The CPUC’s general policy requires all proceeds from contamination litigation to be used first to pay transactional expenses, then to make customers whole for water treatment costs to comply with the CPUC’s water quality standards. The CPUC allows for a risk-based consideration of contamination proceeds which exceed the costs of the remediation described above and may result in some sharing of proceeds with the shareholder, determined on a case-by-case basis. The CPUC has authorized various memorandum accounts that allow the Company to track significant litigation costs and to request recovery of these costs in future filings and uses of proceeds to comply with CPUC’s general policy.

Other Legal Matters

From time to time, the Company is involved in various disputes and litigation matters that arise in the ordinary course of business. The status of each significant matter is reviewed and assessed for potential financial exposure. If the potential loss from any claim or legal proceeding is considered probable and the amount of the range of loss can be estimated, a liability is accrued for the estimated loss in accordance with the accounting standards for contingencies. Legal proceedings are subject to uncertainties, and the outcomes are difficult to predict. Because of such uncertainties, accruals are based on the best information available at the time. While the outcome of these disputes and litigation matters cannot be predicted with any certainty, management does not believe when taking into account existing reserves the ultimate resolution of these matters will materially affect the Company’s financial position, results of operations, or cash flows. As of June 30, 2024 and December 31, 2023, the Company recognized a liability of $4.1 million and $6.0 million, respectively, primarily due to potable water main leaks and other work related legal matters.

The cost of litigation is expensed as incurred and any settlement is first offset against such costs. Any settlement in excess of the cost to litigate is accounted for on a case-by-case basis, dependent on the nature of the settlement.

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Note 10. Fair Value of Financial Assets and Liabilities

The accounting guidance for fair value measurements and disclosures provides a single definition of fair value and requires certain disclosures about assets and liabilities measured at fair value. A hierarchical framework for disclosing the observability of the inputs utilized in measuring assets and liabilities at fair value is established by this guidance. The three levels in the hierarchy are as follows:

Level 1—Inputs to the valuation methodology are unadjusted quoted prices for identical assets or liabilities in active markets that the Company has the ability to access.

Level 2—Inputs to the valuation methodology include:

•Quoted market prices for similar assets or liabilities in active markets;

•Quoted prices for identical or similar assets or liabilities in inactive markets;

•Inputs other than quoted prices that are observable for the asset or liability; and

•Inputs that are derived principally from or corroborated by observable market data by correlation or other means.

If the asset or liability has a specified (contractual) term, the level 2 input must be observable for substantially the full term of the asset or liability.

Level 3—Inputs to the valuation methodology are unobservable and significant to the fair value measurement.

Specific valuation methods include the following:

Cash, accounts receivable, short-term borrowings, and accounts payable carrying amounts approximated the fair value because of the short-term maturity of the instruments.

Pension and other postretirement benefit plan assets are measured at either net asset value or level 1 depending on the investment.

Long-term debt fair values were estimated using the published quoted market price, if available, or the discounted cash flow analysis, based on the current rates available using a risk-free rate (a U.S. Treasury securities yield curve) plus a risk premium of 0.60%.


	June 30, 2024
			Fair Value
	Cost		Level 1		Level 2		Level 3		Total
Long-term debt, including current maturities, net	$	1,052,975	$	—	$	910,335	$	—	$	910,335


	December 31, 2023
			Fair Value
	Cost		Level 1		Level 2		Level 3		Total
Long-term debt, including current maturities, net	$	1,053,440	$	—	$	965,444	$	—	$	965,444

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Item 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
(Dollar amounts in thousands unless otherwise stated)

FORWARD-LOOKING STATEMENTS

This quarterly report, including all documents incorporated by reference, contains forward-looking statements within the meaning established by the Private Securities Litigation Reform Act of 1995 (the PSLRA). The forward-looking statements are intended to qualify under provisions of the federal securities laws for “safe harbor” treatment established by the PSLRA. Forward-looking statements in this quarterly report are based on currently available information, expectations, estimates, assumptions and projections, and our management’s beliefs, assumptions, judgments and expectations about us, the water utility industry and general economic conditions. These statements are not statements of historical fact. When used in our documents, statements that are not historical in nature, including words like “will,” “would,” “expects,” “intends,” “plans,” “believes,” “may,” “could,” “estimates,” “assumes,” “anticipates,” “projects,” “progress,” “predicts,” “hopes,” “targets,” “forecasts,” “should,” “seeks,” “indicates,” or variations of these words or similar expressions are intended to identify forward-looking statements. Examples of forward-looking statements in this quarterly report include, but are not limited to, statements describing our intention, indication or expectation regarding dividends or targeted payout ratio, our expectations, anticipations or beliefs regarding governmental, legislative, judicial, administrative or regulatory timelines, regulatory compliance, decisions, approvals, authorizations, requirements or other actions, including Cal Water’s general rate case (GRC) filed on July 8, 2024 (2024 GRC), rate amounts, cost recovery or refunds, certain per- and polyfluoroalkyl substances (PFAS) regulations, and associated impacts, such as our expected or estimated revenue, our intentions regarding recovery billing, our expectations regarding regulatory asset and operating revenue recognition, sources of funding or capital requirements, estimates of, or expectations regarding, capital expenditures, funding needs or other capital requirements, obligations, contingencies or commitments, our expectations regarding water sources, our beliefs regarding adequacy of water supplies, estimates relating to our significant accounting policies, such as deferred revenue or assets or refund of advances, our expectations regarding stock-based compensation and estimated contributions to our pension plans and other postretirement benefit plans, our estimated annual effective tax rate and expectations regarding tax benefits, our expectations regarding funds received from the Extended Program, our intentions regarding use of net proceeds from any future equity or debt issuances or borrowings or our intentions or anticipations regarding our sources of funding, capital structure or capital allocation plans. The forward-looking statements are not guarantees of future performance. They are based on numerous assumptions that we believe are reasonable, but they are open to a wide range of uncertainties and business risks. Consequently, actual results may vary materially from what is contained in a forward-looking statement.

Factors which may cause actual results to be different than those expected or anticipated include, but are not limited to:

•the outcome and timeliness of regulatory commissions’ actions concerning rate relief and other matters, including with respect to the 2024 GRC;

•changes in regulatory commissions’ policies and procedures, such as the California Public Utilities Commission (CPUC)’s decision in 2020 to preclude companies from proposing fully decoupled Water Revenue Adjustment Mechanisms (WRAM) (which impacted Cal Water’s GRC decision (the 2021 GRC) and its most recent 2024 GRC filing);

•our ability to invest or apply the proceeds from the issuance of common stock in an accretive manner;

•governmental and regulatory commissions’ decisions, including decisions on proper disposition of property;

•consequences of eminent domain actions relating to our water systems;

•increased risk of inverse condemnation losses as a result of climate change and drought;

•changes in California State Water Resources Control Board (Water Board) water quality standards;

•changes in environmental compliance and water quality requirements;

•electric power interruptions, especially as a result of Public Safety Power Shutoff programs;

•availability of water supplies;

•housing and customer growth;

•the impact of opposition to rate increases;

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•our ability to recover costs;

•our ability to renew leases to operate water systems owned by others on beneficial terms;

•issues with the implementation, maintenance or security of our information technology systems;

•civil disturbances or terrorist threats or acts;

•the adequacy of our efforts to mitigate physical and cyber security risks and threats;

•the ability of our enterprise risk management processes to identify or address risks adequately;

•labor relations matters as we negotiate with the unions;

•changes in customer water use patterns and the effects of conservation, including as a result of drought conditions;

•our ability to complete, in a timely manner or at all, successfully integrate, and achieve anticipated benefits from announced acquisitions;

•the impact of weather, climate change, natural disasters, and actual or threatened public health emergencies, including disease outbreaks, on our operations, water quality, water availability, water sales and operating results and the adequacy of our emergency preparedness;

•restrictive covenants in or changes to the credit ratings on our current or future debt that could increase our financing costs or affect our ability to borrow, make payments on debt or pay dividends;

•risks associated with expanding our business and operations geographically;

•the impact of stagnating or worsening business and economic conditions, including inflationary pressures, general economic slowdown or a recession, increasing interest rates, instability of certain financial institutions, changes in monetary policy, adverse capital markets activity or macroeconomic conditions as a result of geopolitical conflicts, and the prospect of a shutdown of the U.S. federal government;

•the impact of market conditions and volatility on unrealized gains or losses on our non-qualified benefit plan investments and our operating results;

•the impact of weather and timing of meter reads on our accrued unbilled revenue;

•the impact of evolving legal and regulatory requirements, including emerging environmental, social and governance requirements; and

•the risks set forth in “Risk Factors” included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2023.

In light of these risks, uncertainties, and assumptions, investors are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date of this quarterly report or as of the date of any document incorporated by reference in this quarterly report, as applicable. When considering forward-looking statements, investors should keep in mind the cautionary statements in this quarterly report and the documents incorporated by reference. We are not under any obligation, and we expressly disclaim any obligation, to update or alter any forward-looking statements, whether as a result of new information, future events or otherwise.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

We maintain our accounting records in accordance with GAAP and as directed by the Commissions to which our operations are subject. The process of preparing financial statements in accordance with GAAP requires the use of estimates on the part of management. The estimates used by management are based on historic experience and an understanding of current facts and circumstances. Management believes that the following accounting policies are critical because they involve a higher degree of complexity and judgment, and can have a material impact on our results of operations, financial condition, and cash flows of the business. These policies and their key characteristics are discussed in detail in the Company’s Annual Report on Form 10-K for the year ended December 31, 2023 (2023 Annual Report on Form 10-K). They include:

•revenue recognition;

•regulated utility accounting;

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•income taxes; and

•pensions, which include the supplemental executive retirement plan (SERP) and the postretirement health care benefit plan.

For the six months ended June 30, 2024, besides the change noted below there were no other changes in the methodology for computing critical accounting estimates, no additional accounting estimates met the standards for critical accounting policies, and there were no material changes to the important assumptions underlying the critical accounting estimates.

Pension

As a result of Cal Water’s 2021 GRC decision that was issued in March of 2024, SERP expenses were disallowed to be recovered from customers. At this time, we believe it is not probable that future SERP costs will be recovered in future rates for the three-year period in which the 2021 GRC is in effect. As a result, as of March 31, 2024, we have reclassified our SERP regulatory asset for Cal Water to accumulated other comprehensive loss in accordance with generally accepted accounting principles.

CALIFORNIA EXTENDED WATER AND WASTEWATER ARREARAGES PAYMENT PROGRAM (Extended Program)

The California Water and Wastewater Arrearages Payment Program was created by the California Legislature to be administered by the Water Board in order to provide relief to community water and wastewater systems for unpaid bills (arrearages) related to the COVID-19 pandemic.

In 2023, the Extended Program was established and extended the relief period to include arrearages accrued from June 16, 2021 to December 31, 2022. In response to the Extended Program, Cal Water submitted an application for $82.0 million in eligible customer arrearages and $1.0 million in program administrative costs which was approved by the Water Board. Cal Water received the funds in April of 2024 and applied $57.5 million of the funds to eligible past due customer balances during the second quarter of 2024. The remaining balance is expected to be returned to the Water Board in the fourth quarter of 2024.

RESULTS OF OPERATIONS

Overview

Net Income Attributable to California Water Service Group

Net income attributable to California Water Service Group for the three months ended June 30, 2024 was $40.6 million or $0.70 earnings per diluted common share, compared to net income of $9.6 million or $0.17 earnings per diluted common share for the three months ended June 30, 2023. The $31.0 million increase in net income was primarily due to an increase in operating revenue of $50.3 million primarily due to rate increases and an increase in accrued unbilled revenue. Accrued unbilled revenue increased due to an increase in rates and an increase in unbilled days. The revenue increase was partially offset by an increase in total operating expenses of $18.0 million. The total operating expense increase was primarily due to an increase in water production costs of $6.8 million, depreciation and amortization expenses of $3.1 million, and income tax expense of $8.4 million.

Net income attributable to California Water Service Group for the six months ended June 30, 2024 was $110.5 million or $1.90 earnings per diluted common share, compared to net loss of $12.7 million or $0.23 loss per diluted common share for the six months ended June 30, 2023. The $123.1 million increase in net income was primarily due to an increase in operating revenue of $189.9 million primarily as a result of the cumulative adjustment for the impacts of the 2021 GRC, retroactive to January 1, 2023. The revenue increase was partially offset by an increase in total operating expenses of $62.3 million. The total operating expense increase was primarily due to an increase in water production costs of $16.0 million, increases in other operations expenses of $10.1 million, an increase in income tax expense of $29.5 million, and an increase in depreciation and amortization expenses of $6.1 million.

Operating Revenue

For the three months ended June 30, 2024, operating revenue increased $50.3 million, or 25.9%, to $244.3 million as compared to the three months ended June 30, 2023.

For the six months ended June 30, 2024, operating revenue increased $189.9 million, or 58.4%, to $515.0 million as compared to the six months ended June 30, 2023.

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The sources of the change in operating revenue were:


	Three Months Ended June 30,		Six Months Ended June 30,
	2024 vs. 2023		2024 vs. 2023
Net change due to rate changes, usage, and other (1)	$	32,094	$	46,080
Interim Rates Memorandum Account (IRMA) revenue (2)	7,932		88,596
Monterey-Style Water Revenue Adjustment Mechanism (MWRAM) revenue (3)	8,205		39,271
Deferred revenue (4)	2,024		15,957
Net operating revenue increase	$	50,255	$	189,904

1.The net change due to rate changes, usage, and other for the three months ended June 30, 2024 was primarily due to rate increases of $19.3 million and an increase in accrued unbilled revenue of $10.4 million due to increases in rates and unbilled days. For the six months ended June 30, 2024, the net change due to rate changes, usage, and other was primarily driven by rate increases of $31.6 million, an increase in accrued unbilled revenue of $5.8 million due to increases in rates and unbilled days, and a 2% increase in customer usage.

2.Due to the delay in the resolution of the 2021 GRC, the CPUC authorized Cal Water to track in an IRMA the variances between actual customer billings and those that would have been billed assuming the 2021 GRC had been effective January 1, 2023. Such variances are recorded as regulatory balancing account revenue. The 2021 GRC was approved in March of 2024 and final rates for the 2021 GRC were implemented on May 31, 2024. As a result, Cal Water recorded IRMA revenue of $7.9 million for the three months ended June 30, 2024. For the six months ended June 30, 2024, Cal Water recorded IRMA revenue of $88.6 million of which $67.6 million is attributable to 2023, including $17.3 million and $28.4 million that was attributable to the three and six months ended June 30, 2023.

3.MWRAM revenue is the variance between actual metered sales billed through the tiered volumetric rate and the revenue that would have been received with the same actual metered sales if a uniform rate had been in effect. In March of 2024, Cal Water received approval of the 2021 GRC which authorized the use of the MWRAM effective January 1, 2023. As a result, Cal Water recorded MWRAM revenue of $8.2 million for the three months ended June 30, 2024. For the six months ended June 30, 2024, Cal Water recorded MWRAM revenue of $39.3 million of which $17.4 million is attributable to 2023, including $7.4 million and $18.0 million that was attributable to the three and six months ended June 30, 2023.

4.Deferred revenue consists of amounts that are expected to be collected from customers beyond 24 months following the end of the accounting period in which the sales transaction has already occurred. Deferred revenue for the three months ended June 30, 2024 decreased due to a decrease in the amount expected to be collected beyond 24 months. Deferred revenue for the six months ended June 30, 2024 decreased as we applied $46.0 million from the Extended Program against certain eligible WRAM receivables during the first six months of 2024.

Total Operating Expenses

For the three months ended June 30, 2024, total operating expenses increased $18.0 million, or 10.1%, to $196.1 million, as compared to $178.1 million for the three months ended June 30, 2023. The increase was primarily due to increases in water production costs, depreciation and amortization, and income tax expense.

For the six months ended June 30, 2024, total operating expenses increased $62.3 million, or 19.1%, to $389.0 million, as compared to $326.7 million for the six months ended June 30, 2023. The increase was primarily due to increases in water production costs, other operations, depreciation and amortization, and income tax expense.

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Sources of Supply

Sources of water as a percent of total water production are listed in the following table:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Well production	49	%	48	%	51	%	48	%
Purchased	45	%	47	%	45	%	48	%
Surface	6	%	5	%	4	%	4	%
Total	100	%	100	%	100	%	100	%

Water Production Costs

Water production costs increased $6.8 million, or 9.6%, for the three months ended June 30, 2024 as compared to the same period last year primarily due to an increase in wholesale rates and higher customer usage.

Water production costs increased $16.0 million, or 12.7%, for the six months ended June 30, 2024 as compared to the same period last year primarily due recording a cumulative adjustment of $9.2 million for the impacts of the 2021 GRC and increases in wholesale rates and customer usage. For the six months ended June 30, 2024, we recorded $6.5 million of water production costs for the Incremental Cost Balancing Accounts (ICBA) attributable to fiscal year 2023, including $1.7 million and $2.9 million, respectively, attributable to water production costs during the three and six months ended June 30, 2023.

The components of water production costs are shown in the table below:


	Three Months Ended June 30,						Six Months Ended June 30,
	2024		2023		Change		2024		2023		Change
Purchased water	$	59,939	$	55,930	$	4,009	$	100,167	$	98,668	$	1,499
Purchased power	12,814		10,831		1,983		22,846		19,221		3,625
Pump taxes	5,300		4,106		1,194		10,346		7,986		2,360
ICBA	(409)		—		(409)		8,470		—		8,470
Total	$	77,644	$	70,867	$	6,777	$	141,829	$	125,875	$	15,954

Other Operations

Other operations expenses increased $10.1 million, or 23.9%, for the six months ended June 30, 2024 as compared to the same period in 2023. The increase was primarily due to the recognition of $13.6 million of costs associated with recognized deferred WRAM revenue, which was partially offset by a $4.2 million decrease in bad debt expense as a result of applying arrearage funds to eligible, previously written-off accounts.

Depreciation and Amortization

Depreciation and amortization expense increased $3.2 million and $6.1 million for the three and six months ended June 30, 2024, respectively, as compared to the same periods in 2023. The increases were primarily due to utility plant placed in service in 2023.

Income Tax Expense

Income tax expense increased $8.4 million and $29.5 million for the three and six months ended June 30, 2024, respectively as compared to the same periods in 2023. The increases in income tax expense were primarily due to an increase in pre-tax operating income for the three and six months ended June 30, 2024 compared to the same period in 2023 attributable to the recognition of income related to the 2021 GRC decision in 2024.

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REGULATORY MATTERS

California Regulatory Activity

2024 GRC Application

On July 8, 2024, Cal Water submitted Infrastructure Improvement Plans for its California districts from 2025-2027 in its 2024 GRC application with the CPUC. The application also proposes a Low-Use Water Equity Program, that would, if approved as filed, decouple revenue from water sales, to assist low-water-using, lower-income customers.

The required, triennial filing begins an approximately 18-month review process by the CPUC, which will analyze the Infrastructure Improvement Plans, operating budget proposals, and a Low-Use Water Equity Program to establish water rates for 2026-2028 that reflect the actual cost of providing safe, reliable water service. Associated rates set by the CPUC would become effective no sooner than January 2026.

In the plans, Cal Water proposes to invest more than $1.6 billion in its districts from 2025-2027, including approximately $1.3 billion of newly proposed capital investments. About 46% of the proposed new infrastructure improvements are to replace aging water pipelines, which such improvements are designed to enhance water supply reliability to support customers’ and firefighters’ everyday and emergency needs. The plans also include, among other projects:

•Water quality upgrades to treat for existing and newly regulated contaminants.

•Infrastructure replacements to help ensure reliable delivery of water service.

•Equipment such as generators to help withstand power outages and shutoffs, and solar installation projects to help reduce Cal Water’s dependency on the electric power grid and lessen its environmental footprint.

•Physical and cyber security and safety enhancements to help protect facilities, customers, and employees.

•Water supply initiatives to help safeguard long-term reliability and sustainability of water sources.

•Advanced Metering Infrastructure to aid conservation efforts and enhance water-use efficiency.

Cal Water’s proposed Low-Use Water Equity Program would, if approved as filed, decouple revenue from water sales across its regulated service areas. The program is designed to work in conjunction with Cal Water’s proposed four-tier rate design and sales forecast proposals to enhance affordability—particularly for low-use and low-income customers—plus reinforce conservation goals, while providing the utility an opportunity to recover its authorized revenue requirement in a timely manner.

To support these investments, Cal Water has proposed to change 2024 rates to increase 2026 total revenue by $140.6 million, or 17.1%. Cal Water also proposes rate increases of $74.2 million, or 7.7%, in 2027; and $83.6 million, or 8.1%, in 2028.

2021 GRC

The CPUC approved a decision on March 7, 2024 on the 2021 GRC. The decision marked the end of an extensive review of Cal Water’s water system improvement plans, costs, and rates. The decision as issued adopts a revised version of the alternate proposed decision issued January 24, 2024, and increases adopted revenues, after corrections, for 2023 by approximately $41.5 million retroactive to January 1, 2023. It also potentially increases revenues by up to approximately $30.0 million for 2024 and $30.6 million for 2025, subject to the CPUC’s earnings test and inflationary adjustments.

The decision authorizes Cal Water to invest approximately $1.2 billion from 2021 through 2024 in water system infrastructure projects that we believe are needed to continue providing safe, reliable water service to customers throughout California. This also includes approximately $160 million of infrastructure projects that may be submitted for recovery via the CPUC’s advice letter process.

The CPUC’s decision approves a progressive rate design that is intended to provide budget stability while benefiting low-income and low-water-using customers by significantly decreasing the cost of the first six units of water consumed and increasing the percentage of fixed costs that are recovered in the service charge.

On March 15, 2024, Cal Water submitted a request for expedited corrections in the March 7th decision. The decision and its appendices contain certain language, numbers, and calculations that are inconsistent or do not fully reflect the

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substantive outcomes described in the approved decision. On April 23, 2024, the executive director of the CPUC issued a decision approving the corrections.

On April 1, 2024, Cal Water submitted an advice letter requesting an increase in annual revenue of $42.5 million for all of its rate making areas (besides Grand Oaks) effective May 1, 2024. The advice letter was approved and included the effects of the expense offsets of $4.7 million and cost of capital filing of $11.4 million that were implemented on January 1, 2024, as well as $5.8 million in rate base offsets that were effective on May 1, 2024. The remaining $20.6 million increase was primarily due to 2024 escalations. Cal Water implemented the new rates incorporating all these items on May 31, 2024.

2021 GRC IRMA

The 2021 GRC was approved in March of 2024 and final rates for the 2021 GRC were implemented on May 31, 2024; as a result, Cal Water calculated and recorded a regulatory asset of $88.6 million and a corresponding increase to revenue for the difference between final rates and interim rates for all of 2023 and the first five months of 2024. Cal Water also recorded a regulatory liability of $8.0 million and a corresponding increase to regulatory assets for Customer Assistance Program (CAP) and Rate Support Fund (RSF) program credits that would have been given to customers had the rate case been approved on time. Cal Water expects to file an advice letter to recover/refund these balances in the third quarter of 2024 with the recovery/refund rates expected to be implemented in the fourth quarter of 2024.

Rate Base Offset Requests

For construction projects authorized in the 2021 GRC as advice letter projects, Cal Water is allowed to request rate base offsets to increase revenues after the project goes into service. In March of 2024, Cal Water submitted a $39.1 million rate base offset advice letter to recover $5.8 million of annual revenue increases in all of its regulated districts. The new rates were implemented on May 31, 2024, as discussed above.

Per- and Polyfluoroalkyl Substances Memorandum Account (PFAS MA)

On April 18, 2024, the CPUC dismissed without prejudice Cal Water’s application requesting authorization to modify a previously approved PFAS-expense memorandum account to include capital investments related to PFAS compliance for future recovery. The dismissal does not preclude Cal Water from seeking regulatory recovery for its capital investments. Cal Water may seek recovery through a separate application or a GRC application. Cal Water expects to refile its application by the end of 2024.

California Supreme Court Decision on WRAM

The CPUC issued a decision effective August 27, 2020 requiring that Class A water utilities submitting GRC filings after the effective date be precluded from proposing the use of a full decoupling WRAM in their next GRCs. In September 2020, Cal Water filed an Application for Rehearing at the CPUC seeking to reverse the August 27, 2020 CPUC decision. In September 2021, the CPUC denied the Application for Rehearing. On or about October 27, 2021, Cal Water along with four other Class A California water utilities filed Petitions for a Writ of Review with the California Supreme Court (Court). On May 18, 2022, the Court issued writs granting review and ordered the CPUC and other filing parties to submit additional pleadings to the Court. The final pleadings were submitted on January 13, 2023. Oral arguments were made on May 8, 2024 and, on July 8, 2024, the Court issued a unanimous decision voiding the WRAM provisions in the August 27, 2020 CPUC decision. As a result, Cal Water and other Class A water utilities submitting GRC filings are no longer precluded from proposing the use of a full decoupling WRAM in their GRCs, as reflected in the 2024 GRC filing.

LIQUIDITY

Cash Flow from Operating Activities

During the six months ended June 30, 2024, we generated cash flow from operations of $120.9 million compared to $37.5 million for the same period in 2023. The increase in the first six months of 2024 as compared to the same period in 2023 is primarily due to the receipt of $83.0 million from the Extended Program, as discussed above. Cash generated by operations varies during the year due to customer billings, and timing of collections and contributions to our benefit plans.

The increase in net income for the six months ended June 30, 2024 as compared to the same period from prior year was primarily due to the recording of $127.9 million of operating revenue for the MWRAM and IRMA during the first six months of 2024 due to the resolution of the 2021 GRC. There was an associated increase to regulatory assets related to MWRAM and IRMA operating revenue. The Company intends to begin billing for the recovery of these regulatory assets in the fourth quarter of 2024.

During the six months ended June 30, 2024, we made cash contributions of $0.2 million to our employee pension plan and did not make any cash contribution to our other postretirement benefit plans. During the six months ended June 30, 2023,

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we made cash contributions of $2.9 million and $0.2 million, respectively, to our pension plans and to our other postretirement benefit plans. The 2024 estimated cash contribution to the pension plans and other postretirement benefits plans are expected to be approximately $0.7 million and $0.2 million, respectively.

The water business is seasonal. Billed revenue is lower in the cool, wet winter months when less water is used compared to the warm, dry summer months when water use is highest. This seasonality results in the possible need for short-term borrowings under the bank lines of credit in the event cash is not sufficient to cover operating costs during the winter period. The increase in cash flow during the summer allows for a pay down of short-term borrowings. Customer water usage can be lower than normal in years when more than normal precipitation falls in our service areas or temperatures are lower than normal, especially in the summer months. The reduction in water usage reduces cash flow from operations and increases the need for short-term bank borrowings.

Cash Flow from Investing Activities

During the six months ended June 30, 2024 and 2023, we used $214.4 million and $177.2 million, respectively, of cash for Company-funded and developer-funded utility capital expenditures. Cash used in investing activities fluctuates each year largely due to the availability of construction resources and our ability to obtain construction permits in a timely manner. For 2024, our utility capital expenditures are estimated to be $365.0 million, which excludes an estimated $20.0 million of developer-funded capital expenditures.

Cash Flow from Financing Activities

Net cash provided by financing activities for the six months ended June 30, 2024 was $91.1 million compared to $144.4 million for the same period in 2023. For 2024, this includes our issuance of $52.0 million of Company common stock through our at-the-market equity program and $1.4 million through our employee stock purchase plan. For 2023, this includes our issuance of $112.7 million of Company common stock through our at-the-market equity program and $1.2 million through our employee stock purchase plan.

During the six months ended June 30, 2024 and 2023, we borrowed $295.0 million and $150.0 million, respectively, on our unsecured revolving credit facilities. We made repayments on our unsecured revolving credit facilities of $230.0 million and $90.0 million during the six months ended June 30, 2024 and 2023, respectively. During the six months ended June 30, 2023, we also paid $1.6 million in issuance costs for the Company and Cal Water facilities entered into on March 31, 2023.

On March 31, 2023, the Company and Cal Water entered into the Company and Cal Water credit facilities, which provide for unsecured revolving credit facilities of up to an initial aggregate amount of $600.0 million for a term of five years. The Company and subsidiaries that it designates may borrow up to $200.0 million under the Company’s revolving credit facility (the Company facility). Cal Water may borrow up to $400.0 million under the Cal Water revolving credit facility (the Cal Water facility). Additionally, the credit facilities may be increased by up to an incremental $150.0 million under the Cal Water facility and $50.0 million under the Company facility, subject in each case to certain conditions.

The net IRMA, MWRAM, WRAM and Modified Cost Balancing Account receivable balances were $134.2 million and $91.6 million as of June 30, 2024 and 2023, respectively. The receivable balances were primarily financed by Cal Water using short-term and long-term financing arrangements to meet operational cash requirements. Interest on the receivable balances, which represents the interest recoverable from customers, is limited to the then-current 90-day commercial paper rates, which typically are significantly lower than Cal Water’s short and long-term financing rates.

Short-term and Long-term Financing

During the six months ended June 30, 2024, we utilized cash generated from operations and temporary borrowings on our previous unsecured revolving credit facilities to fund operations and capital investments.

In future periods, management anticipates funding our utility plant needs through a balance of long term debt and equity.

Short-term liquidity is provided by the Company and Cal Water facilities and internally generated funds. Long-term financing is accomplished through the use of both debt and equity. The Company and subsidiaries that it designates may borrow up to $200.0 million under the Company facility. Cal Water may borrow up to $400.0 million under the Cal Water facility; however, all borrowings must be repaid within 24 months as authorized by the CPUC. The proceeds from the Company and Cal Water facilities may be used for working capital purposes.

As of June 30, 2024 and December 31, 2023, short-term borrowings of $245.0 million and $180.0 million, respectively, were outstanding on the Company and Cal Water facilities.

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Given our ability to access our lines of credit on a daily basis, cash balances are managed to levels required for daily cash needs and excess cash is invested in short-term or cash equivalent instruments. Minimal operating levels of unrestricted cash are maintained for Washington Water, New Mexico Water, Hawaii Water and Texas Water.

The Company and Cal Water facilities contain affirmative and negative covenants and events of default customary for credit facilities of this type including, among other things, limitations and prohibitions relating to additional indebtedness, liens, mergers, and asset sales. Also, the Company and Cal Water facilities contain financial covenants that require the Company and its subsidiaries’ consolidated total capitalization ratio not to exceed 66.7% and an interest coverage ratio of three or more. As of June 30, 2024, we are in compliance with all of the covenant requirements and are eligible to use the full amount of the undrawn portion of the Company and Cal Water facilities.

Long-term financing, which includes First Mortgage Bonds, other debt securities, and common stock, has typically been used to replace short-term borrowings and fund utility plant expenditures. Internally generated funds, after making dividend payments, provide positive cash flow, but have not been at a level to meet the needs of our utility plant expenditure requirements. Management expects this trend to continue given our planned utility plant expenditures for the next five years. Some utility plant expenditures are funded by payments received from developers for contributions in aid of construction or advances for construction. Funds received for contributions in aid of construction are non-refundable, whereas funds classified as advances for construction are generally refundable over 40 years. Management believes long-term financing is available to meet our cash flow needs through issuances of both debt and equity instruments.

Summarized Financial Information for Guarantors and the Issuer of Guaranteed Securities

On April 17, 2009, Cal Water (Issuer) issued $100.0 million aggregate principal amount of 5.500% First Mortgage Bonds due 2040, all of which are fully and unconditionally guaranteed by the Company (Guarantor). Certain subsidiaries of the Company do not guarantee the security and are referred to as Non-guarantors. The Guarantor fully, absolutely, irrevocably and unconditionally guarantees the punctual payment when due, whether at stated maturity, by acceleration, by notice of prepayment or otherwise, of the principal, premium, if any, and interest on the bonds. The bonds rank equally among Cal Water’s other First Mortgage Bonds.

The following tables present summarized financial information of the Issuer subsidiary and the Guarantor. The information presented below excludes eliminations necessary to arrive at the information on a consolidated basis. In presenting the summarized financial statements, the equity method of accounting has been applied to the Guarantor interests in the Issuer. The summarized information excludes financial information of the Non-guarantors, including earnings from and investments in these entities.


Summarized Statement of Operations
(in thousands)	Six Months Ended June 30, 2024				Twelve Months Ended December 31, 2023
	Issuer		Guarantor		Issuer		Guarantor
Net sales	$	477,916	$	—	$	720,577	$	—
Gross profit	$	344,693	$	—	$	449,221	$	—
Income from operations	$	129,989	$	492	$	82,157	$	590
Equity in earnings of guarantor	$	—	$	97,457	$	—	$	49,998
Net income	$	115,099	$	99,004	$	57,168	$	51,376

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Summarized Balance Sheet Information
(in thousands)	As of June 30, 2024				As of December 31, 2023
	Issuer		Guarantor		Issuer		Guarantor
Current assets	$	188,903	$	4,548	$	213,469	$	10,126
Intercompany receivable from Non-guarantors	3,471		72,137		3,664		44,882
Other assets	615,878		1,262,265		479,642		1,190,076
Long-term intercompany receivable from Non-issuers	—		81,301		—		82,610
Net utility plant	3,633,476		—		3,487,788		—
Total assets	$	4,441,728	$	1,420,251	$	4,184,563	$	1,327,694

Current liabilities	$	458,529	$	25,498	$	351,964	$	53,069
Intercompany payable to Non-guarantors and Guarantor	4,466		2,398		—		—
Long-term debt	1,051,645		—		1,052,350		—
Other liabilities	1,672,466		3,250		1,595,852		3,068
Total liabilities	$	3,187,106	$	31,146	$	3,000,166	$	56,137

Dividends

During the six months ended June 30, 2024, our quarterly common stock dividend payments were $0.56 per share compared to $0.52 per share for the six months ended June 30, 2023. For the full year 2023, the payout ratio was 113.8% of net income. On a long-term basis, our goal is to achieve a dividend payout ratio of 60% of net income.

At the July 31, 2024 meeting, the Company’s Board of Directors declared the third quarter dividend of $0.28 per share payable on August 23, 2024, to stockholders of record on August 12, 2024. This was our 318th consecutive quarterly dividend.

2024 Financing Plan

We intend to fund our utility plant needs in future periods through a relatively balanced approach between long-term debt and equity. The Company and Cal Water have a syndicated unsecured revolving line of credit of $200.0 million and $400.0 million, respectively, for short-term borrowings. As of June 30, 2024, the Company’s and Cal Water’s availability on these unsecured revolving lines of credit was $175.0 million and $180.0 million, respectively.

Book Value and Stockholders of Record

Book value per common share was $26.26 at June 30, 2024 compared to $24.72 at December 31, 2023. There were approximately 1,738 stockholders of record for our common stock as of May 6, 2024.

Utility Plant Expenditures

During the six months ended June 30, 2024, utility plant expenditures totaled $214.4 million for Company-funded and developer-funded projects. For 2024, we estimate utility capital expenditures to be $365.0 million, which excludes an estimated $20.0 million of developer-funded capital expenditures.

As of June 30, 2024, construction work in progress was $354.0 million. Construction work in progress includes projects that are under construction but not yet complete and placed in service.

WATER SUPPLY

Our source of supply varies among our operating districts. Certain districts obtain all of their supply from wells; some districts purchase all of their supply from wholesale suppliers; and other districts obtain supply from a combination of wells and wholesale suppliers. A small portion of supply comes from surface sources and is processed through Company-owned water treatment plants. To the best of management’s knowledge, we are meeting water quality, environmental, and other regulatory standards for all Company-owned systems.

Historically, approximately half of our annual water supply is pumped from wells. State groundwater management agencies operate differently in each state. Some of our wells extract ground water from water basins under state ordinances. These are adjudicated groundwater basins, in which a court has settled the dispute between landowners, or other parties over how much annual groundwater can be extracted by each party. All of our adjudicated groundwater basins are located in the State of California. Our average annual groundwater extraction from adjudicated groundwater basins approximates

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6.7 billion gallons or 13.1% of our total average annual (2022-2023) water supply pumped from wells. Historically, we have extracted less than 100% of our annual adjudicated groundwater rights and have the right to carry forward up to 20% of the unused amount to the next annual period. All of our remaining wells extract ground water from managed or unmanaged water basins. There are no set limits for the ground water extracted from these water basins. Our average annual groundwater extraction from managed groundwater basins approximates 29.7 billion gallons or 57.6% of our total average annual water supply pumped from wells. Our average annual groundwater extraction from unmanaged groundwater basins approximates 15.1 billion gallons or 29.3% of our total average annual water supply pumped from wells. Many managed groundwater basins we extract water from have groundwater recharge facilities for which we financially support the recharge activities by paying well pump taxes. For the six months ended June 30, 2024 and 2023, our well pump taxes were $10.3 million and $8.0 million, respectively. In 2014, the State of California enacted the Sustainable Groundwater Management Act of 2014 (SGMA). The law and its implementing regulations required most basins to create a sustainability agency by 2017, develop a sustainability plan by the end of 2022, and show progress toward sustainability by 2027. We expect that after the SGMA provisions are fully implemented, all the Company’s California groundwater will be produced from sustainably managed and/or adjudicated basins.

California’s normal weather pattern yields little precipitation between mid-spring and mid-fall. The Washington Water service areas receive precipitation in all seasons, with the heaviest amounts during the winter. New Mexico Water's rainfall is heaviest in the summer monsoon season. Hawaii Water receives precipitation throughout the year, with the largest amounts in the winter months. Typically, water usage in all service areas is highest during the warm and dry summers and declines in the cool winter months. Rain and snow during the winter months in California replenish underground water aquifers and fill reservoirs, providing the water supply for subsequent delivery to customers. As of July 17, 2024, the State of California snowpack water content for the 2023-2024 water year was 90% of long-term averages (per the California Department of Water Resources, Northern Sierra Precipitation Accumulation report). The northern Sierra region is the most important for the state’s urban water supplies. The central and southern portions of the Sierras have recorded 84% and 80%, respectively, of long-term averages. Management believes that supply pumped from underground aquifers and purchased from wholesale suppliers will be adequate to meet customer demand during 2024 and thereafter. Long-term water supply plans are developed for each of our districts to help assure an adequate water supply under various operating and supply conditions. Some districts have unique challenges in meeting water quality standards, but management believes that supplies will meet current standards using currently available treatment processes or by installing the best available technologies.

On May 31, 2018, California’s Governor signed two bills (Assembly Bill 1668 and Senate Bill 606) into law that were intended to establish long-term standards for water use efficiency. The bills revise and expand the existing urban water management plan requirements to include five-year drought risk assessments, water shortage contingency plans, and annual water supply/demand assessments. The Water Board, in conjunction with the California Department of Water Resources, has adopted long-term water use standards for indoor residential use, outdoor residential use, water losses, and other uses. Cal Water is also required to calculate and report on urban water use targets each year, that compares actual urban water use to the targets. Management believes that Cal Water is well positioned to comply with all such regulations.

In April of 2024, the U.S. Environmental Protection Agency (EPA) finalized a National Primary Drinking Water Regulation establishing legally enforceable levels, known as maximum contaminant levels (MCLs), for six PFAS in drinking water. Under the PFAS regulation, water utilities across the country are required to complete initial PFAS monitoring by 2027 and to implement treatment for sources exceeding the MCL by 2029. We estimate a capital investment of approximately $226.0 million will be required to comply with the regulation.

On April 17, 2024, the Water Board adopted an MCL of 10 parts per billion for Chromium-6 in drinking water. Our water systems in California will be required to comply with the regulation within two to four years. We developed and installed treatment for this contaminant at most of our impacted water sources when the same MCL was originally set in 2014, which was subsequently vacated for administrative reasons. After the MCL was vacated, we continued to treat our impacted water systems. We anticipate installing treatment for the remaining impacted sources before the regulatory deadline.

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CONTRACTUAL OBLIGATIONS

During the six months ended June 30, 2024, there were no material changes in contractual obligations outside the normal course of business.

Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURE ABOUT MARKET RISK

We do not hold, trade in or issue derivative financial instruments and therefore are not exposed to risks these instruments present. Our market risk to interest rate exposure is limited because the cost of long-term financing and short-term bank borrowings, including interest costs, is covered in consumer water rates as approved by the Commissions. We do not have foreign operations; therefore, we do not have a foreign currency exchange risk. Our business is sensitive to commodity prices and is most affected by changes in purchased water and purchased power costs.

Historically, the CPUC’s balancing account or offsettable expense procedures allowed for increases in purchased water, pump tax, and purchased power costs to be flowed through to consumers. A significant percentage of our net income and cash flows come from California regulated operations; therefore the CPUC’s actions have a significant impact on our business. See Item 2, “Management’s Discussion and Analysis of Financial Condition and Results of Operations - Regulatory Matters.”

Item 4. CONTROLS AND PROCEDURES

(a) Evaluation of Disclosure Controls and Procedures

We maintain disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended) that are designed to ensure that information required to be disclosed in our reports filed or submitted under the Securities Exchange Act of 1934, as amended, is recorded, processed, summarized and reported, within the time periods specified in the Securities and Exchange Commission's rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow for timely decisions regarding required disclosure.

In designing and evaluating the disclosure controls and procedures, management, including the Chief Executive Officer and Chief Financial Officer, recognized that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management is required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Accordingly, our disclosure controls and procedures have been designed to provide reasonable assurance of achieving their objectives.

Our management, with the participation of our Chief Executive Officer and our Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of June 30, 2024 and concluded that our disclosure controls and procedures were effective at the reasonable assurance level.

(b) Changes to Internal Control over Financial Reporting

There have been no changes in our internal control over financial reporting during the second quarter of 2024 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II—OTHER INFORMATION

Item 1. LEGAL PROCEEDINGS

From time to time, the Company is involved in various disputes and litigation matters that arise in the ordinary course of business. The status of each significant matter is reviewed and assessed for potential financial exposure. If the potential loss from any claim or legal proceeding is considered probable and the amount of the range of loss can be reasonably estimated, a liability is accrued for the estimated loss in accordance with the accounting standards for contingencies. Legal proceedings are subject to uncertainties, and the outcomes are difficult to predict. Because of such uncertainties, accruals are based on the best information available at the time. While the outcome of these disputes and litigation matters cannot be predicted with any certainty, management does not believe when taking into account existing reserves the ultimate resolution of these matters will materially affect the Company’s financial position, results of operations, or cash flows. In the future, we may be involved in disputes and litigation related to a wide range of matters, including employment, construction, environmental issues and operations. Litigation can be time-consuming and expensive and could divert management’s time and attention from our business. In addition, if we are subject to new lawsuits or disputes, we might incur significant legal costs and it is uncertain whether we would be able to recover the legal costs from customers or other third parties. Please refer to Note 9, “Commitments and Contingencies” for more information.

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Item 1A. RISK FACTORS

There have been no material changes to the Company’s risk factors set forth in Part I, Item 1A of the Company’s Annual Report on Form 10-K for the year-ended December 31, 2023 filed with the SEC on February 29, 2024.

Item 5. OTHER INFORMATION

During the last fiscal quarter, no director or Section 16 officer of the Company adopted or terminated any Rule 10b5-1 or non-Rule 10b5-1 trading arrangement (as defined under SEC rules).

Item 6. EXHIBITS


Exhibit Number						Description
3.1						Certificate of Incorporation of California Water Service Group (Exhibit 3.1 to the Quarterly Report on Form 10-Q filed August 9, 2006)

3.2						Certificate of Amendment to Certificate of Incorporation of California Water Service Group (Exhibit 3.1 to the Current Report on Form 8-K filed June 10, 2011)

3.3						Certificate of Amendment to Amended Certificate of Incorporation of California Water Service Group (Exhibit 3.3 to the Quarterly Report on Form 10-Q filed July 28, 2022)

3.4						Certificate of Amendment to Amended Certificate of Incorporation of California Water Service Group (Exhibit 3.4 to the Quarterly Report on Form 10-Q filed July 27, 2023)

3.5						Amended and Restated Bylaws of California Water Service Group, as amended on February 28, 2024 (Exhibit 3.5 to the Annual Report on Form 10-K filed February 29, 2024)

4.0						The Company agrees to furnish upon request to the Securities and Exchange Commission a copy of each instrument defining the rights of holders of long-term debt of the Company.

10.1						California Water Service Group 2024 Equity Incentive Plan (Exhibit 99.1 to the Re gi stration Statement on Form S-8 filed May 29, 2024)*

31.1						Chief Executive Officer certification of financial statements pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

31.2						Chief Financial Officer certification of financial statements pursuant to Section 302 of the Sarbanes- Oxley Act of 2002

32						Chief Executive Officer and Chief Financial Officer Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

101						The following materials from this Quarterly Report on Form 10-Q formatted in iXBRL (Inline eXtensible Business Reporting Language): (i) Condensed Consolidated Balance Sheets, (ii) Condensed Consolidated Statements of Operations, (iii) Condensed Consolidated Statements of Cash Flows, (iv) the Notes to the Condensed Consolidated Financial Statements, and (v) Part II, Item 5(c).

104						The cover page from this Quarterly Report on Form 10-Q formatted in iXBRL (included as Exhibit 101)

_______________________________________________________________

* Management contract or compensatory plan or arrangement.

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SIGNATURE

Pursuant to the requirement of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


	CALIFORNIA WATER SERVICE GROUP
	Registrant

August 1, 2024	By:	/s/ James P. Lynch
		James P. Lynch
		Senior Vice President, Chief Financial Officer and Treasurer
		(Principal Financial Officer)

Exhibit 31.1

CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER

PURSUANT TO SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, Martin A. Kropelnicki, certify that:

1. I have reviewed this quarterly report on Form 10-Q for the quarter ended June 30, 2024, of California Water Service Group;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.


Date: August 1, 2024	By:	/s/ Martin A. Kropelnicki
		MARTIN A. KROPELNICKI
		Chairman, President and Chief Executive Officer

Exhibit 31.2

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER

PURSUANT TO SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, James P. Lynch, certify that:

1. I have reviewed this quarterly report on Form 10-Q for the quarter ended June 30, 2024, of California Water Service Group;

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.


Date: August 1, 2024	By:	/s/ James P. Lynch
		JAMES P. LYNCH
		Senior Vice President, Chief Financial Officer and Treasurer
		(Principal Financial Officer)

Exhibit 32

CERTIFICATION OF CEO AND CFO

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned certifies that this quarterly report on Form 10-Q for the period ended June 30, 2024 fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in this Report fairly presents, in all material respects, the financial condition and results of operations of California Water Service Group.


Date: August 1, 2024	By:	/s/ Martin A. Kropelnicki
		MARTIN A. KROPELNICKI
		Chairman, President and Chief Executive Officer
		California Water Service Group

Date: August 1, 2024	By:	/s/ James P. Lynch
		JAMES P. LYNCH
		Senior Vice President, Chief Financial Officer and Treasurer
		(Principal Financial Officer)
		California Water Service Group

Cover - shares	6 Months Ended
Cover - shares	Jun. 30, 2024	Jul. 23, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2024
Document Transition Report	false
Entity File Number	1-13883
Entity Registrant Name	CALIFORNIA WATER SERVICE GROUP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	77-0448994
Entity Address, Address Line One	1720 North First Street
Entity Address, City or Town	San Jose
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95112
City Area Code	408
Local Phone Number	367-8200
Title of 12(b) Security	Common Stock, $0.01 par value per share
Trading Symbol	CWT
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		58,825,117
Entity Central Index Key	0001035201
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Utility plant:
Utility plant	$ 5,141,580	$ 4,925,483
Less accumulated depreciation and amortization	(1,199,399)	(1,152,228)
Net utility plant	3,942,181	3,773,255
Current assets:
Cash and cash equivalents	37,272	39,591
Restricted cash	45,403	45,375
Receivables:
Customers, net	71,125	59,349
Regulatory balancing accounts	5,495	64,240
Other, net	17,110	16,431
Accrued unbilled revenue, net	48,812	36,999
Materials and supplies	17,645	16,170
Taxes, prepaid expenses, and other assets	23,948	18,130
Total current assets	266,810	296,285
Other assets:
Regulatory assets	397,498	257,621
Goodwill	37,039	37,039
Other	227,714	231,333
Total other assets	662,251	525,993
TOTAL ASSETS	4,871,242	4,595,533
Capitalization:
Common stock, $0.01 par value; 136,000 shares authorized, 58,825 and 57,724 outstanding on June 30, 2024 and December 31, 2023, respectively	588	577
Additional paid-in capital	929,376	876,583
Retained earnings	627,705	549,573
Accumulated other comprehensive loss	(13,068)	0
Noncontrolling interests	3,090	3,579
Total equity	1,547,691	1,430,312
Long-term debt, net	1,051,792	1,052,768
Total capitalization	2,599,483	2,483,080
Current liabilities:
Current maturities of long-term debt, net	1,183	672
Short-term borrowings	245,000	180,000
Accounts payable	143,533	157,305
Regulatory balancing accounts	12,754	21,540
Accrued interest	6,666	6,625
Accrued expenses and other liabilities	103,364	64,197
Total current liabilities	512,500	430,339
Deferred income taxes	363,597	352,762
Regulatory liabilities	742,842	683,717
Pension	83,266	82,920
Advances for construction	199,640	199,448
Contributions in aid of construction	289,820	286,491
Other	80,094	76,776
Commitments and contingencies (Note 9)
TOTAL CAPITALIZATION AND LIABILITIES	$ 4,871,242	$ 4,595,533

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	136,000,000	136,000,000
Common stock, shares outstanding (in shares)	58,825,000	57,724,000

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Operating revenue	$ 244,299	$ 194,044	$ 515,048	$ 325,144
Operations:
Water production costs	77,644	70,867	141,829	125,875
Administrative and general	32,042	34,975	67,638	70,961
Other operations	25,626	25,823	52,551	42,427
Maintenance	8,790	7,155	16,800	15,133
Depreciation and amortization	32,978	29,824	65,822	59,739
Income tax expense (benefit)	8,689	329	24,227	(5,315)
Property and other taxes	10,364	9,122	20,121	17,899
Total operating expenses	196,133	178,095	388,988	326,719
Net operating income (loss)	48,166	15,949	126,060	(1,575)
Other income and expenses:
Non-regulated revenue	5,513	4,485	10,611	9,108
Non-regulated expenses	(4,125)	(2,957)	(6,079)	(5,232)
Other components of net periodic benefit credit	4,338	4,756	7,611	9,977
Allowance for equity funds used during construction	1,819	1,355	3,561	2,759
Income tax expense on other income and expenses	(1,306)	(1,445)	(2,627)	(3,239)
Net other income	6,239	6,194	13,077	13,373
Interest expense:
Interest expense	14,840	13,491	30,640	26,309
Allowance for borrowed funds used during construction	(812)	(795)	(1,570)	(1,624)
Net interest expense	14,028	12,696	29,070	24,685
Net income (loss)	40,377	9,447	110,067	(12,887)
Net loss attributable to noncontrolling interests	(174)	(109)	(401)	(232)
Net income (loss) attributable to California Water Service Group	$ 40,551	$ 9,556	$ 110,468	$ (12,655)
Earnings (loss) per share:
Basic (in dollars per share)	$ 0.70	$ 0.17	$ 1.90	$ (0.23)
Diluted (in dollars per share)	$ 0.70	$ 0.17	$ 1.90	$ (0.23)
Weighted average shares outstanding:
Basic (in shares)	58,292	56,692	58,013	56,182
Diluted (in shares)	58,325	56,730	58,046	56,182

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities:
Net income (loss)	$ 110,067	$ (12,887)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	66,929	60,744
Change in value of life insurance contracts	(1,811)	(2,620)
Allowance for equity funds used during construction	(3,561)	(2,759)
Changes in operating assets and liabilities:
Receivables and accrued unbilled revenue	(16,859)	(2,187)
Water Arrearages Payment Program cash received	83,039	0
Accounts payable	(10,545)	(836)
Other current assets	(6,680)	(1,557)
Other current liabilities	7,314	(6,828)
Other changes in noncurrent assets and liabilities	(106,954)	6,451
Net cash provided by operating activities	120,939	37,521
Investing activities:
Utility plant expenditures	(214,414)	(177,189)
Life insurance proceeds	1,426	0
Purchase of life insurance contracts	(1,426)	0
Proceeds from sale of property	48	0
Asset acquisitions	0	(102)
Net cash used in investing activities	(214,366)	(177,291)
Financing activities:
Short-term borrowings, net of debt issuance costs of $0 for 2024 and $1,552 for 2023	295,000	148,448
Repayment of short-term borrowings	(230,000)	(90,000)
Repayment of long-term debt	(416)	(1,333)
Advances and contributions in aid of construction	10,936	9,129
Refunds of advances for construction	(4,865)	(4,791)
Repurchase of common stock	(1,235)	(1,650)
Issuance of common stock	53,381	113,921
Dividends paid	(32,336)	(29,027)
Distribution to noncontrolling interest	(489)	(288)
Others	1,160	0
Net cash provided by financing activities	91,136	144,409
Change in cash, cash equivalents, and restricted cash	(2,291)	4,639
Cash, cash equivalents, and restricted cash at beginning of period	84,966	85,025
Cash, cash equivalents, and restricted cash at end of period	82,675	89,664
Supplemental information:
Cash paid for interest (net of amounts capitalized)	28,178	23,677
Supplemental disclosure of non-cash activities:
Accrued payables for investments in utility plant	51,824	49,452
Utility plant contribution by developers	$ 14,159	$ 15,312

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Statement of Cash Flows [Abstract]
Payments of debt issuance costs	$ 0	$ 1,552

Organization and Operations and Basis of Presentation	6 Months Ended
Organization and Operations and Basis of Presentation	Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Operations and Basis of Presentation	Organization and Operations and Basis of Presentation California Water Service Group (Company) is a holding company that provides water utility and other related services in California, Washington, New Mexico, Hawaii, and Texas through its wholly-owned and non-wholly owned subsidiaries. California Water Service Company (Cal Water), Washington Water Service Company (Washington Water), New Mexico Water Service Company (New Mexico Water), and Hawaii Water Service Company, Inc. (Hawaii Water) provide regulated utility services under the rules and regulations of their respective state’s regulatory commissions (jointly referred to as the Commissions). CWS Utility Services and HWS Utility Services LLC provide non-regulated water utility and utility-related services. TWSC, Inc. (Texas Water) holds regulated and contracted wastewater utilities. Regulated wastewater utilities held by Texas Water’s investment in joint venture with BVRT Utility Holding Company (BVRT) provide services under the rules and regulation of the Texas Public Utilities Commission. The Company operates in one reportable segment, providing water and water-related utility services. Basis of Presentation The unaudited condensed consolidated interim financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information and in accordance with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X promulgated by the Securities and Exchange Commission (SEC) and therefore do not contain all of the information and footnotes required by GAAP and the SEC for annual financial statements. Interim financial information includes the Company’s accounts and those of its wholly and non-wholly owned subsidiaries. The non-wholly owned subsidiary was consolidated using the voting interest model as the Company owns a majority of the non-wholly owned subsidiary’s voting interests. The interim unaudited condensed consolidated financial statements should be read in conjunction with the Company’s consolidated financial statements included in its Annual Report on Form 10-K for the year ended December 31, 2023 as filed with the SEC on February 29, 2024. The preparation of the Company’s unaudited condensed consolidated interim financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the balance sheet dates and the reported amounts of revenues and expenses for the periods presented. These include, but are not limited to, estimates and assumptions used in determining the Company’s regulatory asset and liability balances based upon probability assessments of regulatory recovery, utility plant useful lives, revenues earned but not yet billed, asset retirement obligations, allowance for credit losses, pension and other employee benefit plan liabilities, and income tax-related assets and liabilities. Actual results could materially differ from these estimates. In the opinion of management, the accompanying unaudited condensed consolidated interim financial statements reflect all adjustments, consisting of normal recurring transactions that are necessary to provide a fair presentation of the results for the periods covered. Due to the seasonal nature of the water business, the results for interim periods are not indicative of the results for a 12-month period. Revenue and income are generally higher in the warm, dry summer months when water usage and sales are greater. Revenue and income are generally lower in the winter months when cooler temperatures and rainfall curtail water usage and sales. Noncontrolling Interests Noncontrolling interests in the Company’s unaudited condensed consolidated financial statements represents the 6.2% interest not owned by Texas Water in a consolidated subsidiary. Texas Water obtained control over the subsidiary on May 1, 2021. Since the Company controls this subsidiary, its financial statements are consolidated with those of the Company, and the noncontrolling owner’s 6.2% share of the subsidiary’s net assets and results of operations is deducted and reported as noncontrolling interests on the unaudited Condensed Consolidated Balance Sheet and as net loss attributable to noncontrolling interests in the unaudited Condensed Consolidated Statement of Operations. The Company reports noncontrolling interests in consolidated entities as a component of equity separate from the Company’s equity. The Company’s net income (loss) attributable to California Water Service Group excludes the net loss attributable to the noncontrolling interests.

Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2024

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Operating Revenue

The following table disaggregates the Company’s operating revenue by source for the three and six months ended June 30, 2024 and 2023:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Revenue from contracts with customers	$	226,665	$	194,206	$	381,566	$	339,431
Regulatory balancing account revenue	17,634		(162)		133,482		(14,287)
Total operating revenue	$	244,299	$	194,044	$	515,048	$	325,144

Revenue from contracts with customers

In the following table, revenue from contracts with customers is disaggregated by class of customers for the three and six months ended June 30, 2024 and 2023:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Residential	$	122,251	$	108,741	$	214,744	$	192,775
Business	41,906		37,846		76,455		69,820
Multiple residential	18,043		16,504		34,912		31,501
Industrial	7,119		5,874		13,759		11,508
Public authorities	10,918		8,991		17,880		15,416
Other (a)	26,428		16,250		23,816		18,411
Total revenue from contracts with customers	$	226,665	$	194,206	$	381,566	$	339,431

(a) Other includes accrued unbilled revenue

Regulatory balancing account revenue

Non-Regulated Revenue

The following table disaggregates the Company’s non-regulated revenue by source for the three and six months ended June 30, 2024 and 2023:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Operating and maintenance revenue	$	3,188	$	3,075	$	6,436	$	6,310
Other non-regulated revenue	1,720		800		2,949		1,582
Non-regulated revenue from contracts with customers	4,908		3,875		9,385		7,892
Lease revenue	605		610		1,226		1,216
Total non-regulated revenue	$	5,513	$	4,485	$	10,611	$	9,108

Allowance for Credit Losses

The following table presents the activity in the allowance for credit losses for the six months ended June 30, 2024 and twelve months ended December 31, 2023:


	June 30, 2024		December 31, 2023
Beginning balance	$	2,854	$	5,629
Provision for credit loss expense	1,611		2,480
Write-offs	(1,554)		(5,795)
Recoveries	238		540
Total ending allowance balance	$	3,149	$	2,854

Cash, Cash Equivalents, and Restricted Cash


	June 30, 2024		December 31, 2023
Cash and cash equivalents	$	37,272	$	39,591
Restricted cash	45,403		45,375
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows	$	82,675	$	84,966

Earnings (Loss) per Share

New Accounting Standards and SEC Rules

Stock-Based Compensation

6 Months Ended

Jun. 30, 2024

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

A summary of the status of the outstanding RSAs as of June 30, 2024 is presented below:


	Number of RSA Shares	Weighted-Average Grant-Date Fair Value
RSAs at January 1, 2024	53,303	$	55.48
Granted	58,556	49.62
Vested	(32,869)	55.32

RSAs at June 30, 2024	78,990	$	51.20

A summary of the status of outstanding RSUs as of June 30, 2024 is presented below:


	Number of RSU Shares	Weighted-Average Grant-Date Fair Value
RSUs at January 1, 2024	93,078	$	55.41
Granted	66,821	49.62
Performance criteria adjustment	13,735	53.96
Vested	(36,394)	53.96

RSUs at June 30, 2024	137,240	$	52.83

Equity

6 Months Ended

Jun. 30, 2024

Equity [Abstract]

Equity

The Company’s changes in total equity for the six months ended June 30, 2024 and 2023 were as follows:


	Six Months Ended June 30, 2024
	Common Stock			Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests		Total Equity

	Shares	Amount
	(In thousands)
Balance at January 1, 2024	57,724	$	577	$	876,583	$	549,573	$	—	$	3,579	$	1,430,312
Net income	—	—		—		69,917		—		(227)		69,690
Issuance of common stock	55	1		1,506		—		—		—		1,507
Repurchase of common stock	(25)	—		(1,142)		—		—		—		(1,142)
Dividends paid on common stock ($0.2800 per share)	—	—		—		(16,164)		—		—		(16,164)
Adjustment for unrecoverable pension benefit plan costs	—	—		—		—		(13,663)		—		(13,663)
Amounts reclassified to earnings (a)	—	—		—		—		297		—		297
Investment in business with noncontrolling interest	—	—		(53)		—		—		53		—
Balance at March 31, 2024	57,754	578		876,894		603,326		(13,366)		3,405		1,470,837
Net income	—	—		—		40,551		—		(174)		40,377
Issuance of common stock	1,073	10		52,923		—		—		—		52,933
Repurchase of common stock	(2)	—		(93)		—		—		—		(93)
Dividends paid on common stock ($0.2800 per share)	—	—		—		(16,172)		—		—		(16,172)
Amounts reclassified to earnings (a)	—	—		—		—		298		—		298
Investment in business with noncontrolling interest	—	—		(348)		—		—		348		—
Distribution to noncontrolling interest	—	—		—		—		—		(489)		(489)
Balance at June 30, 2024	58,825	$	588	$	929,376	$	627,705	$	(13,068)	$	3,090	$	1,547,691


	Six Months Ended June 30, 2023
	Common Stock			Additional Paid-in Capital		Retained Earnings		Noncontrolling Interests		Total Equity

	Shares	Amount
	(In thousands)
Balance at January 1, 2023	55,598	$	556	$	760,336	$	556,698	$	4,804	$	1,322,394
Net loss	—	—		—		(22,211)		(123)		(22,334)
Issuance of common stock	420	4		17,380		—		—		17,384
Repurchase of common stock	(27)	—		—		—		—		—
Dividends paid on common stock ($0.2600 per share)	—	—		—		(14,456)		—		(14,456)
Investment in business with noncontrolling interest	—	—		(111)		—		111		—
Balance at March 31, 2023	55,991	560		777,605		520,031		4,792		1,302,988
Net income (loss)	—	—		—		9,556		(109)		9,447
Issuance of common stock	1,713	17		96,482		—		—		96,499
Repurchase of common stock	(2)	—		(108)		—		—		(108)
Dividends paid on common stock ($0.2600 per share)	—	—		—		(14,571)		—		(14,571)
Investment in business with noncontrolling interest	—	—		(56)		—		56		—
Distribution to noncontrolling interest	—	—		—		—		(288)		(288)
Balance at June 30, 2023	57,702	$	577	$	873,923	$	515,016	$	4,451	$	1,393,967

Pension Plan and Other Postretirement Benefits

6 Months Ended

Jun. 30, 2024

Retirement Benefits [Abstract]

Pension Plan and Other Postretirement Benefits

The Company offers medical, dental, vision, and life insurance benefits for retirees and their spouses and dependents. Participants are required to pay a premium, which offsets a portion of the cost.


	Pension Plan				Other Benefits
	Three Months Ended June 30,
	2024		2023		2024		2023
Service cost	$	5,648	$	6,046	$	1,520	$	1,126
Interest cost	8,881		8,746		1,684		1,297
Expected return on plan assets	(13,236)		(13,421)		(2,987)		(2,636)
Amortization of prior service cost	131		131		39		39
Recognized net actuarial (gain) loss	189		(637)		(198)		(581)
Net periodic benefit cost (credit)	$	1,613	$	865	$	58	$	(755)


	Pension Plan				Other Benefits
	Six Months Ended June 30,
	2024		2023		2024		2023
Service cost	$	11,296	$	12,092	$	3,040	$	2,252
Interest cost	17,762		17,492		3,368		2,595
Expected return on plan assets	(26,472)		(26,842)		(5,974)		(5,271)
Amortization of prior service cost	262		262		78		77
Recognized net actuarial (gain) loss	378		(1,274)		(396)		(1,163)
Net periodic benefit cost (credit)	$	3,226	$	1,730	$	116	$	(1,510)

Short-term and Long-term Borrowings	6 Months Ended
Short-term and Long-term Borrowings	Jun. 30, 2024
Debt Disclosure [Abstract]
Short-term and Long-term Borrowings	Short-term and Long-term Borrowings On March 31, 2023, the Company and Cal Water entered into syndicated credit agreements, which provide for unsecured revolving credit facilities of up to an initial aggregate amount of $600.0 million for a term of five years. The Company and subsidiaries that it designates may borrow up to $200.0 million under the Company’s revolving credit facility (the Company facility). Cal Water may borrow up to $400.0 million under its revolving credit facility (the Cal Water facility). Additionally, the credit facilities may be increased by up to an incremental $150.0 million under the Cal Water facility and $50.0 million under the Company facility, subject in each case to certain conditions. At the Company’s or Cal Water’s option, as applicable, borrowings under the Company and Cal Water facilities, as applicable, will bear interest annually at a rate equal to (i) the base rate, plus an applicable margin of 0.00% to 0.250%, depending on the Company and its subsidiaries’ consolidated total capitalization ratio, or (ii) Term SOFR, plus an applicable margin of 0.800% to 1.250%, depending on the Company and its subsidiaries’ consolidated total capitalization ratio. The Company and Cal Water facilities contain affirmative and negative covenants and events of default customary for credit facilities of this type including, among other things, limitations and prohibitions relating to additional indebtedness, liens, mergers, and asset sales. Also, the Company and Cal Water facilities contain financial covenants governing the Company and its subsidiaries’ consolidated total capitalization ratio and interest coverage ratio. As of June 30, 2024, the Company and Cal Water are in compliance with all of the covenant requirements and are eligible to use the full amount of the undrawn portion of the Company and Cal Water facilities, as applicable. Outstanding borrowings on the Company lines of credit as of June 30, 2024 and December 31, 2023 were $25.0 million and $50.0 million, respectively. Outstanding borrowings on the Cal Water lines of credit as of June 30, 2024 and December 31, 2023 were $220.0 million and $130.0 million, respectively. The average borrowing rate for borrowings on the Company and Cal Water lines of credit during the six months ended June 30, 2024 was 6.38% compared to 5.78% for the same period last year.

Income Taxes

6 Months Ended

Jun. 30, 2024

Income Tax Disclosure [Abstract]

Income Taxes

The provision for income taxes is shown in the tables below:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Income tax expense (benefit)	$	9,995	$	1,774	$	26,854	$	(2,076)

Regulatory Assets and Liabilities

6 Months Ended

Jun. 30, 2024

Regulated Operations [Abstract]

Regulatory Assets and Liabilities

Regulatory assets and liabilities were comprised of the following as of June 30, 2024 and December 31, 2023:


	Recovery Period	June 30, 2024		December 31, 2023
Regulatory Assets
Property-related temporary differences (tax benefits flowed through to customers)	Indefinite	$	158,486	$	158,486
IRMA long-term accounts receivable	1 - 2 years	92,065		3,430
MWRAM	1 year	38,566		—
Other accrued benefits	Indefinite	26,917		25,363
Asset retirement obligations, net	Indefinite	28,311		26,686
Tank coating	Various	20,480		19,602
Customer assistance program (CAP) and Rate support fund (RSF) accounts receivable	1 year	10,015		2,459
Net WRAM and Modified Cost Balancing Account (MCBA) long-term accounts receivable	Various	5,199		10,738
Pension Cost Balancing Account (PCBA)	Various	4,829		4,182
Recoverable property losses	Various	2,791		3,121
Other regulatory assets	Various	9,839		3,554
Total Regulatory Assets		$	397,498	$	257,621
Regulatory Liabilities
Cost of removal		$	464,980	$	447,356
Future tax benefits due to customers		118,051		118,051
Pension and retiree group health		102,120		88,728
Other components of net periodic benefit cost		15,160		10,348
PCBA		12,642		8,972
Incremental cost balancing account (ICBA)		12,704		—
IRMA long-term regulatory liability		8,032		—
Health Cost Balancing Account (HCBA)		3,606		3,242
Net WRAM and MCBA long-term payable		2,860		2,071
Conservation Expense Balancing Account		1,058		1,200
RSF regulatory liability		—		2,116
Other regulatory liabilities		1,629		1,633
Total Regulatory Liabilities		$	742,842	$	683,717

Commitments and Contingencies	6 Months Ended
Commitments and Contingencies	Jun. 30, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Commitments The Company has long-term commitments to purchase water from water wholesalers. The Company also has operating and finance leases for water systems, offices, land easements, licenses, equipment, and other facilities. These commitments and leases are described in the Company’s Annual Report on Form 10-K for the year ended December 31, 2023. On August 16, 2022, BVRT, a majority owned subsidiary of Texas Water, through BVRT’s wholly owned subsidiary, Camino Real Utility (Camino Real), entered into a long-term water supply agreement with the Guadalupe Blanco River Authority (GBRA). The Company has provided a limited guarantee to GBRA for agreed upon obligations. GBRA is a water conservation and reclamation district established by the Texas Legislature that oversees water resources for 10 counties. Under the terms of the agreement with GBRA, Camino Real is contracted to receive up to 2,419 acre-feet of potable water annually. The GBRA agreement involves four off-takers, including Camino Real. GBRA plans to extend a potable water pipeline from the City of Lockhart to the City of Mustang Ridge and surrounding areas. Camino Real is contracted to be the utility service provider in this area of the Austin metropolitan region and to provide potable water, recycled water, and wastewater services to portions of the City of Mustang Ridge and surrounding areas. In 2022, Camino Real committed $21.5 million for its share of the cost of the pipeline project. In 2023, Camino Real committed an additional $22.3 million for its share of the cost of the pipeline project. As of June 30, 2024, this committed cash has not been transferred to GBRA and is classified as part of restricted cash on the unaudited Condensed Consolidated Balance Sheets. The Company currently expects the committed cash to be transferred to GBRA before the end of 2024. Contingencies Groundwater Contamination The Company has undertaken litigation against third parties to recover past and future costs related to groundwater contamination in our service areas. The cost of litigation is generally expensed as incurred and any settlement is first offset against such costs. The CPUC’s general policy requires all proceeds from contamination litigation to be used first to pay transactional expenses, then to make customers whole for water treatment costs to comply with the CPUC’s water quality standards. The CPUC allows for a risk-based consideration of contamination proceeds which exceed the costs of the remediation described above and may result in some sharing of proceeds with the shareholder, determined on a case-by-case basis. The CPUC has authorized various memorandum accounts that allow the Company to track significant litigation costs and to request recovery of these costs in future filings and uses of proceeds to comply with CPUC’s general policy. Other Legal Matters From time to time, the Company is involved in various disputes and litigation matters that arise in the ordinary course of business. The status of each significant matter is reviewed and assessed for potential financial exposure. If the potential loss from any claim or legal proceeding is considered probable and the amount of the range of loss can be estimated, a liability is accrued for the estimated loss in accordance with the accounting standards for contingencies. Legal proceedings are subject to uncertainties, and the outcomes are difficult to predict. Because of such uncertainties, accruals are based on the best information available at the time. While the outcome of these disputes and litigation matters cannot be predicted with any certainty, management does not believe when taking into account existing reserves the ultimate resolution of these matters will materially affect the Company’s financial position, results of operations, or cash flows. As of June 30, 2024 and December 31, 2023, the Company recognized a liability of $4.1 million and $6.0 million, respectively, primarily due to potable water main leaks and other work related legal matters. The cost of litigation is expensed as incurred and any settlement is first offset against such costs. Any settlement in excess of the cost to litigate is accounted for on a case-by-case basis, dependent on the nature of the settlement.

Fair Value of Financial Assets and Liabilities

6 Months Ended

Jun. 30, 2024

Fair Value Disclosures [Abstract]

Fair Value of Financial Assets and Liabilities

Level 1—Inputs to the valuation methodology are unadjusted quoted prices for identical assets or liabilities in active markets that the Company has the ability to access.

Level 2—Inputs to the valuation methodology include:

•Quoted market prices for similar assets or liabilities in active markets;

•Quoted prices for identical or similar assets or liabilities in inactive markets;

•Inputs other than quoted prices that are observable for the asset or liability; and

•Inputs that are derived principally from or corroborated by observable market data by correlation or other means.

If the asset or liability has a specified (contractual) term, the level 2 input must be observable for substantially the full term of the asset or liability.

Level 3—Inputs to the valuation methodology are unobservable and significant to the fair value measurement.

Specific valuation methods include the following:

Cash, accounts receivable, short-term borrowings, and accounts payable carrying amounts approximated the fair value because of the short-term maturity of the instruments.

Pension and other postretirement benefit plan assets are measured at either net asset value or level 1 depending on the investment.


	June 30, 2024
			Fair Value
	Cost		Level 1		Level 2		Level 3		Total
Long-term debt, including current maturities, net	$	1,052,975	$	—	$	910,335	$	—	$	910,335


	December 31, 2023
			Fair Value
	Cost		Level 1		Level 2		Level 3		Total
Long-term debt, including current maturities, net	$	1,053,440	$	—	$	965,444	$	—	$	965,444

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Pay vs Performance Disclosure
Net Income (Loss)	$ 40,551	$ 9,556	$ 110,468	$ (12,655)

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Jun. 30, 2024
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2024

Accounting Policies [Abstract]

Basis of Presentation

Revenue

Revenue from contracts with customers

In the following table, revenue from contracts with customers is disaggregated by class of customers for the three and six months ended June 30, 2024 and 2023:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Residential	$	122,251	$	108,741	$	214,744	$	192,775
Business	41,906		37,846		76,455		69,820
Multiple residential	18,043		16,504		34,912		31,501
Industrial	7,119		5,874		13,759		11,508
Public authorities	10,918		8,991		17,880		15,416
Other (a)	26,428		16,250		23,816		18,411
Total revenue from contracts with customers	$	226,665	$	194,206	$	381,566	$	339,431

(a) Other includes accrued unbilled revenue

Regulatory balancing account revenue

Non-Regulated Revenue

The following table disaggregates the Company’s non-regulated revenue by source for the three and six months ended June 30, 2024 and 2023:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Operating and maintenance revenue	$	3,188	$	3,075	$	6,436	$	6,310
Other non-regulated revenue	1,720		800		2,949		1,582
Non-regulated revenue from contracts with customers	4,908		3,875		9,385		7,892
Lease revenue	605		610		1,226		1,216
Total non-regulated revenue	$	5,513	$	4,485	$	10,611	$	9,108

Lease revenue

Allowance for Credit Losses

Earnings (Loss) per Share

New Accounting Standards and SEC Rules

Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2024

Accounting Policies [Abstract]

Disaggregation of Revenue

The following table disaggregates the Company’s operating revenue by source for the three and six months ended June 30, 2024 and 2023:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Revenue from contracts with customers	$	226,665	$	194,206	$	381,566	$	339,431
Regulatory balancing account revenue	17,634		(162)		133,482		(14,287)
Total operating revenue	$	244,299	$	194,044	$	515,048	$	325,144

In the following table, revenue from contracts with customers is disaggregated by class of customers for the three and six months ended June 30, 2024 and 2023:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Residential	$	122,251	$	108,741	$	214,744	$	192,775
Business	41,906		37,846		76,455		69,820
Multiple residential	18,043		16,504		34,912		31,501
Industrial	7,119		5,874		13,759		11,508
Public authorities	10,918		8,991		17,880		15,416
Other (a)	26,428		16,250		23,816		18,411
Total revenue from contracts with customers	$	226,665	$	194,206	$	381,566	$	339,431

(a) Other includes accrued unbilled revenue

The following table disaggregates the Company’s non-regulated revenue by source for the three and six months ended June 30, 2024 and 2023:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Operating and maintenance revenue	$	3,188	$	3,075	$	6,436	$	6,310
Other non-regulated revenue	1,720		800		2,949		1,582
Non-regulated revenue from contracts with customers	4,908		3,875		9,385		7,892
Lease revenue	605		610		1,226		1,216
Total non-regulated revenue	$	5,513	$	4,485	$	10,611	$	9,108

Schedule of Allowance for Credit Losses

The following table presents the activity in the allowance for credit losses for the six months ended June 30, 2024 and twelve months ended December 31, 2023:


	June 30, 2024		December 31, 2023
Beginning balance	$	2,854	$	5,629
Provision for credit loss expense	1,611		2,480
Write-offs	(1,554)		(5,795)
Recoveries	238		540
Total ending allowance balance	$	3,149	$	2,854

Schedule of Cash and Cash Equivalents


	June 30, 2024		December 31, 2023
Cash and cash equivalents	$	37,272	$	39,591
Restricted cash	45,403		45,375
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows	$	82,675	$	84,966

Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Restricted Stock and Restricted Stock Unit Activity

A summary of the status of the outstanding RSAs as of June 30, 2024 is presented below:


	Number of RSA Shares	Weighted-Average Grant-Date Fair Value
RSAs at January 1, 2024	53,303	$	55.48
Granted	58,556	49.62
Vested	(32,869)	55.32

RSAs at June 30, 2024	78,990	$	51.20

A summary of the status of outstanding RSUs as of June 30, 2024 is presented below:


	Number of RSU Shares	Weighted-Average Grant-Date Fair Value
RSUs at January 1, 2024	93,078	$	55.41
Granted	66,821	49.62
Performance criteria adjustment	13,735	53.96
Vested	(36,394)	53.96

RSUs at June 30, 2024	137,240	$	52.83

Equity (Tables)

6 Months Ended

Jun. 30, 2024

Equity [Abstract]

Schedule of Changes in Total Common Stockholders' Equity

The Company’s changes in total equity for the six months ended June 30, 2024 and 2023 were as follows:


	Six Months Ended June 30, 2024
	Common Stock			Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests		Total Equity

	Shares	Amount
	(In thousands)
Balance at January 1, 2024	57,724	$	577	$	876,583	$	549,573	$	—	$	3,579	$	1,430,312
Net income	—	—		—		69,917		—		(227)		69,690
Issuance of common stock	55	1		1,506		—		—		—		1,507
Repurchase of common stock	(25)	—		(1,142)		—		—		—		(1,142)
Dividends paid on common stock ($0.2800 per share)	—	—		—		(16,164)		—		—		(16,164)
Adjustment for unrecoverable pension benefit plan costs	—	—		—		—		(13,663)		—		(13,663)
Amounts reclassified to earnings (a)	—	—		—		—		297		—		297
Investment in business with noncontrolling interest	—	—		(53)		—		—		53		—
Balance at March 31, 2024	57,754	578		876,894		603,326		(13,366)		3,405		1,470,837
Net income	—	—		—		40,551		—		(174)		40,377
Issuance of common stock	1,073	10		52,923		—		—		—		52,933
Repurchase of common stock	(2)	—		(93)		—		—		—		(93)
Dividends paid on common stock ($0.2800 per share)	—	—		—		(16,172)		—		—		(16,172)
Amounts reclassified to earnings (a)	—	—		—		—		298		—		298
Investment in business with noncontrolling interest	—	—		(348)		—		—		348		—
Distribution to noncontrolling interest	—	—		—		—		—		(489)		(489)
Balance at June 30, 2024	58,825	$	588	$	929,376	$	627,705	$	(13,068)	$	3,090	$	1,547,691


	Six Months Ended June 30, 2023
	Common Stock			Additional Paid-in Capital		Retained Earnings		Noncontrolling Interests		Total Equity

	Shares	Amount
	(In thousands)
Balance at January 1, 2023	55,598	$	556	$	760,336	$	556,698	$	4,804	$	1,322,394
Net loss	—	—		—		(22,211)		(123)		(22,334)
Issuance of common stock	420	4		17,380		—		—		17,384
Repurchase of common stock	(27)	—		—		—		—		—
Dividends paid on common stock ($0.2600 per share)	—	—		—		(14,456)		—		(14,456)
Investment in business with noncontrolling interest	—	—		(111)		—		111		—
Balance at March 31, 2023	55,991	560		777,605		520,031		4,792		1,302,988
Net income (loss)	—	—		—		9,556		(109)		9,447
Issuance of common stock	1,713	17		96,482		—		—		96,499
Repurchase of common stock	(2)	—		(108)		—		—		(108)
Dividends paid on common stock ($0.2600 per share)	—	—		—		(14,571)		—		(14,571)
Investment in business with noncontrolling interest	—	—		(56)		—		56		—
Distribution to noncontrolling interest	—	—		—		—		(288)		(288)
Balance at June 30, 2023	57,702	$	577	$	873,923	$	515,016	$	4,451	$	1,393,967

Pension Plan and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2024

Retirement Benefits [Abstract]

Schedule of components of net periodic benefit costs for the pension plans and other postretirement benefits


	Pension Plan				Other Benefits
	Three Months Ended June 30,
	2024		2023		2024		2023
Service cost	$	5,648	$	6,046	$	1,520	$	1,126
Interest cost	8,881		8,746		1,684		1,297
Expected return on plan assets	(13,236)		(13,421)		(2,987)		(2,636)
Amortization of prior service cost	131		131		39		39
Recognized net actuarial (gain) loss	189		(637)		(198)		(581)
Net periodic benefit cost (credit)	$	1,613	$	865	$	58	$	(755)


	Pension Plan				Other Benefits
	Six Months Ended June 30,
	2024		2023		2024		2023
Service cost	$	11,296	$	12,092	$	3,040	$	2,252
Interest cost	17,762		17,492		3,368		2,595
Expected return on plan assets	(26,472)		(26,842)		(5,974)		(5,271)
Amortization of prior service cost	262		262		78		77
Recognized net actuarial (gain) loss	378		(1,274)		(396)		(1,163)
Net periodic benefit cost (credit)	$	3,226	$	1,730	$	116	$	(1,510)

Income Taxes (Tables)

6 Months Ended

Jun. 30, 2024

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The provision for income taxes is shown in the tables below:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Income tax expense (benefit)	$	9,995	$	1,774	$	26,854	$	(2,076)

Regulatory Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2024

Regulated Operations [Abstract]

Schedule of Regulatory Assets and Liabilities

Regulatory assets and liabilities were comprised of the following as of June 30, 2024 and December 31, 2023:


	Recovery Period	June 30, 2024		December 31, 2023
Regulatory Assets
Property-related temporary differences (tax benefits flowed through to customers)	Indefinite	$	158,486	$	158,486
IRMA long-term accounts receivable	1 - 2 years	92,065		3,430
MWRAM	1 year	38,566		—
Other accrued benefits	Indefinite	26,917		25,363
Asset retirement obligations, net	Indefinite	28,311		26,686
Tank coating	Various	20,480		19,602
Customer assistance program (CAP) and Rate support fund (RSF) accounts receivable	1 year	10,015		2,459
Net WRAM and Modified Cost Balancing Account (MCBA) long-term accounts receivable	Various	5,199		10,738
Pension Cost Balancing Account (PCBA)	Various	4,829		4,182
Recoverable property losses	Various	2,791		3,121
Other regulatory assets	Various	9,839		3,554
Total Regulatory Assets		$	397,498	$	257,621
Regulatory Liabilities
Cost of removal		$	464,980	$	447,356
Future tax benefits due to customers		118,051		118,051
Pension and retiree group health		102,120		88,728
Other components of net periodic benefit cost		15,160		10,348
PCBA		12,642		8,972
Incremental cost balancing account (ICBA)		12,704		—
IRMA long-term regulatory liability		8,032		—
Health Cost Balancing Account (HCBA)		3,606		3,242
Net WRAM and MCBA long-term payable		2,860		2,071
Conservation Expense Balancing Account		1,058		1,200
RSF regulatory liability		—		2,116
Other regulatory liabilities		1,629		1,633
Total Regulatory Liabilities		$	742,842	$	683,717

Fair Value of Financial Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2024

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Long-term Debt


	June 30, 2024
			Fair Value
	Cost		Level 1		Level 2		Level 3		Total
Long-term debt, including current maturities, net	$	1,052,975	$	—	$	910,335	$	—	$	910,335


	December 31, 2023
			Fair Value
	Cost		Level 1		Level 2		Level 3		Total
Long-term debt, including current maturities, net	$	1,053,440	$	—	$	965,444	$	—	$	965,444

Organization and Operations and Basis of Presentation (Details)	6 Months Ended
	Jun. 30, 2024 segment
Noncontrolling Interest [Line Items]
Number of reportable segments	1
BVRT Water Company
Noncontrolling Interest [Line Items]
Noncontrolling interest	6.20%

Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 226,665	$ 194,206	$ 381,566	$ 339,431
Regulatory balancing account revenue	17,634	(162)	133,482	(14,287)
Total operating revenue	244,299	194,044	515,048	325,144
Total non-regulated revenue	5,513	4,485	10,611	9,108
Residential
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	122,251	108,741	214,744	192,775
Business
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	41,906	37,846	76,455	69,820
Multiple residential
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	18,043	16,504	34,912	31,501
Industrial
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	7,119	5,874	13,759	11,508
Public authorities
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	10,918	8,991	17,880	15,416
Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	26,428	16,250	23,816	18,411
Operating and maintenance revenue
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	3,188	3,075	6,436	6,310
Other non-regulated revenue
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	1,720	800	2,949	1,582
Non-regulated revenue from contracts with customers
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	4,908	3,875	9,385	7,892
Lease revenue	605	610	1,226	1,216
Total non-regulated revenue	$ 5,513	$ 4,485	$ 10,611	$ 9,108

Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Apr. 30, 2024
Disaggregation of Revenue [Line Items]
Maximum collection period in which deferred net WRAM and MCBA revenues and associated costs will be recognized		24 months
Funds received from government program			$ 82.0
Decrease to past due customer balances	$ 57.5
IRMA long-term regulatory liability
Disaggregation of Revenue [Line Items]
Regulated revenue	7.9	$ 88.6
MWRAM
Disaggregation of Revenue [Line Items]
Regulated revenue	$ 8.2	$ 39.3

Summary of Significant Accounting Policies - Allowance for Credit Losses (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 2,854	$ 5,629
Provision for credit loss expense	1,611	2,480
Write-offs	(1,554)	(5,795)
Recoveries	238	540
Total ending allowance balance	$ 3,149	$ 2,854

Summary of Significant Accounting Policies - Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Cash and cash equivalents	$ 37,272	$ 39,591
Restricted cash	45,403	45,375
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows	$ 82,675	$ 84,966	$ 89,664	$ 85,025

Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Stock-based Compensation
Shares authorized to be issued under the plan (in shares)	1,600,000		1,600,000
Recorded compensation costs for the RSAs and RSUs	$ 0.4	$ 1.4	$ 1.1	$ 1.5
RSAs
Stock-based Compensation
Period for recognition			1 year 8 months 12 days
Unrecognized compensation cost	3.8		$ 3.8
Performance-Based Restricted Stock Unit Awards (RSUs)
Stock-based Compensation
Period for recognition			2 years
Unrecognized compensation cost	$ 4.9		$ 4.9
Performance period			33 months
Performance-Based Restricted Stock Unit Awards (RSUs) \| Minimum
Stock-based Compensation
Options vested on anniversary date			0.00%
Performance-Based Restricted Stock Unit Awards (RSUs) \| Maximum
Stock-based Compensation
Options vested on anniversary date			200.00%
Officer \| RSAs
Stock-based Compensation
Vesting period			33 months
Cliff vesting period			9 months
Period for recognition			33 months
Director \| RSAs
Stock-based Compensation
Vesting period			9 months
Period for recognition			9 months

Stock-Based Compensation - RSAs & Performance-Based RSUs (Details)	6 Months Ended
	Jun. 30, 2024 $ / shares shares
RSAs
Number of shares
Beginning balance (in shares) \| shares	53,303
Granted (in shares) \| shares	58,556
Vested (in shares) \| shares	(32,869)
Ending balance (in shares) \| shares	78,990
Weighted average price at grant
Beginning balance (in dollars per share) \| $ / shares	$ 55.48
Granted (in dollars per share) \| $ / shares	49.62
Vested (in dollars per share) \| $ / shares	55.32
Ending balance (in dollars per share) \| $ / shares	$ 51.20
RSUs
Number of shares
Beginning balance (in shares) \| shares	93,078
Granted (in shares) \| shares	66,821
Performance criteria adjustment (in shares) \| shares	13,735
Vested (in shares) \| shares	(36,394)
Ending balance (in shares) \| shares	137,240
Weighted average price at grant
Beginning balance (in dollars per share) \| $ / shares	$ 55.41
Granted (in dollars per share) \| $ / shares	49.62
Performance criteria adjustment (in dollars per share) \| $ / shares	53.96
Vested (in dollars per share) \| $ / shares	53.96
Ending balance (in dollars per share) \| $ / shares	$ 52.83

Equity - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
Equity - Narrative (Details) - USD ($) $ in Millions	Apr. 29, 2022	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2024
Equity [Abstract]
Maximum consideration on transaction	$ 350.0
Sale of stock, agreement term	3 years
Sale of stock, number of shares issued in transaction (in shares)		1,000,000	1,699,849	1,000,000	2,025,891
Issuance of common stock		$ 52.0	$ 94.5	$ 52.0	$ 112.7
Payments for commissions		$ 0.5	$ 1.0	$ 0.5	$ 1.1
Service costs and actuarial gains and losses reclassified to other comprehensive loss						$ 13.7

Equity - Changes in Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period (in shares)		57,724,000			57,724,000
Balance at beginning of period	$ 1,470,837	$ 1,430,312	$ 1,302,988	$ 1,322,394	$ 1,430,312	$ 1,322,394
Net income (loss)	40,377	69,690	9,447	(22,334)	$ 110,067	(12,887)
Issuance of common stock	52,933	1,507	96,499	17,384
Repurchase of common stock	(93)	(1,142)	(108)	0
Dividends paid on common stock	(16,172)	(16,164)	(14,571)	(14,456)
Adjustment for unrecoverable pension benefit plan costs		(13,663)
Amounts reclassified to earnings	298	297
Investment in business with noncontrolling interest	0	0	0	0
Distribution to noncontrolling interest	$ (489)		(288)
Balance at end of period (in shares)	58,825,000				58,825,000
Balance at end of period	$ 1,547,691	$ 1,470,837	$ 1,393,967	$ 1,302,988	$ 1,547,691	$ 1,393,967
Dividends paid on common stock (in dollars per share)	$ 0.2800	$ 0.2800	$ 0.2600	$ 0.2600
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period (in shares)	57,754,000	57,724,000	55,991,000	55,598,000	57,724,000	55,598,000
Balance at beginning of period	$ 578	$ 577	$ 560	$ 556	$ 577	$ 556
Issuance of common stock (in shares)	1,073,000	55,000	1,713,000	420,000
Issuance of common stock	$ 10	$ 1	$ 17	$ 4
Repurchase of common stock (in shares)	(2,000)	(25,000)	(2,000)	(27,000)
Balance at end of period (in shares)	58,825,000	57,754,000	57,702,000	55,991,000	58,825,000	57,702,000
Balance at end of period	$ 588	$ 578	$ 577	$ 560	$ 588	$ 577
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	876,894	876,583	777,605	760,336	876,583	760,336
Issuance of common stock	52,923	1,506	96,482	17,380
Repurchase of common stock	(93)	(1,142)	(108)
Investment in business with noncontrolling interest	(348)	(53)	(56)	(111)
Balance at end of period	929,376	876,894	873,923	777,605	929,376	873,923
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	603,326	549,573	520,031	556,698	549,573	556,698
Net income (loss)	40,551	69,917	9,556	(22,211)
Dividends paid on common stock	(16,172)	(16,164)	(14,571)	(14,456)
Balance at end of period	627,705	603,326	515,016	520,031	627,705	515,016
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	(13,366)	0			0
Adjustment for unrecoverable pension benefit plan costs		(13,663)
Amounts reclassified to earnings	298	297
Balance at end of period	(13,068)	(13,366)			(13,068)
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	3,405	3,579	4,792	4,804	3,579	4,804
Net income (loss)	(174)	(227)	(109)	(123)
Investment in business with noncontrolling interest	348	53	56	111
Distribution to noncontrolling interest	(489)		(288)
Balance at end of period	$ 3,090	$ 3,405	$ 4,451	$ 4,792	$ 3,090	$ 4,451

Pension Plan and Other Postretirement Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Pension Plan
Pension Plan and Other Postretirement Benefits
Employer cash contributions			$ 200	$ 2,900
Estimated cash contributions in the current fiscal year	$ 700		700
Components of the pension plans and other postretirement benefits
Service cost	5,648	$ 6,046	11,296	12,092
Interest cost	8,881	8,746	17,762	17,492
Expected return on plan assets	(13,236)	(13,421)	(26,472)	(26,842)
Amortization of prior service cost	131	131	262	262
Recognized net actuarial (gain) loss	189	(637)	378	(1,274)
Net periodic benefit cost (credit)	1,613	865	3,226	1,730
Other Benefits
Pension Plan and Other Postretirement Benefits
Employer cash contributions			0	200
Estimated cash contributions in the current fiscal year	200		200
Components of the pension plans and other postretirement benefits
Service cost	1,520	1,126	3,040	2,252
Interest cost	1,684	1,297	3,368	2,595
Expected return on plan assets	(2,987)	(2,636)	(5,974)	(5,271)
Amortization of prior service cost	39	39	78	77
Recognized net actuarial (gain) loss	(198)	(581)	(396)	(1,163)
Net periodic benefit cost (credit)	$ 58	$ (755)	$ 116	$ (1,510)

Short-term and Long-term Borrowings (Details) - USD ($)		6 Months Ended
Short-term and Long-term Borrowings (Details) - USD ($)	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Cal Water
Debt Instrument [Line Items]
Outstanding borrowings		$ 220,000,000		$ 130,000,000
Parent Company
Debt Instrument [Line Items]
Outstanding borrowings		$ 25,000,000		$ 50,000,000
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 600,000,000.0
Debt instrument, term	5 years
Average borrowing rate		6.38%	5.78%
Revolving Credit Facility \| Base Rate \| Minimum
Debt Instrument [Line Items]
Interest rate	0.00%
Revolving Credit Facility \| Base Rate \| Maximum
Debt Instrument [Line Items]
Interest rate	0.25%
Revolving Credit Facility \| Secured Overnight Financing Rate (SOFR) \| Minimum
Debt Instrument [Line Items]
Interest rate	0.80%
Revolving Credit Facility \| Secured Overnight Financing Rate (SOFR) \| Maximum
Debt Instrument [Line Items]
Interest rate	1.25%
Revolving Credit Facility \| Cal Water
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 400,000,000.0
Incremental expansion of borrowing capacity	150,000,000.0
Revolving Credit Facility \| Parent Company
Debt Instrument [Line Items]
Maximum borrowing capacity	200,000,000.0
Incremental expansion of borrowing capacity	$ 50,000,000.0

Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 9,995	$ 1,774	$ 26,854	$ (2,076)

Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Income Taxes - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Tax Disclosure [Abstract]
Decrease in income tax expense	$ 8,200		$ 29,000
Income tax expense (benefit)	9,995	$ 1,774	$ 26,854	$ (2,076)
Effective tax rate estimate			19.60%	14.90%
Accrued income taxes	9,400		$ 9,400
Unrecognized tax benefits	17,000	14,400	17,000	$ 14,400
Tax benefits that, if recognized, would affect the effective tax rate	$ 5,100	$ 4,600	$ 5,100	$ 4,600

Regulatory Assets and Liabilities - Schedule of Regulatory Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	$ 397,498	$ 257,621
Total Regulatory Liabilities	742,842	683,717
Cost of removal
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	464,980	447,356
Future tax benefits due to customers
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	118,051	118,051
Pension and retiree group health
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	102,120	88,728
Other components of net periodic benefit cost
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	15,160	10,348
PCBA
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	12,642	8,972
Incremental cost balancing account (ICBA)
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	12,704	0
IRMA long-term regulatory liability
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	8,032	0
Health Cost Balancing Account (HCBA)
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	3,606	3,242
Net WRAM and MCBA long-term payable
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	2,860	2,071
Conservation Expense Balancing Account
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	1,058	1,200
RSF regulatory liability
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	0	2,116
Other regulatory liabilities
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Liabilities	1,629	1,633
Future tax benefits due to customers
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	158,486	158,486
IRMA long-term accounts receivable
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	$ 92,065	3,430
MWRAM
Regulatory Assets and Liabilities [Line Items]
Recovery Period	1 year
Total Regulatory Assets	$ 38,566	0
Other accrued benefits
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	26,917	25,363
Asset retirement obligations, net
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	28,311	26,686
Tank coating
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	$ 20,480	19,602
Customer assistance program (CAP) and Rate support fund (RSF) accounts receivable
Regulatory Assets and Liabilities [Line Items]
Recovery Period	1 year
Total Regulatory Assets	$ 10,015	2,459
Net WRAM and Modified Cost Balancing Account (MCBA) long-term accounts receivable
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	5,199	10,738
PCBA
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	4,829	4,182
Recoverable property losses
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	2,791	3,121
Other regulatory assets
Regulatory Assets and Liabilities [Line Items]
Total Regulatory Assets	$ 9,839	$ 3,554
Minimum \| IRMA long-term accounts receivable
Regulatory Assets and Liabilities [Line Items]
Recovery Period	1 year
Maximum \| IRMA long-term accounts receivable
Regulatory Assets and Liabilities [Line Items]
Recovery Period	2 years

Regulatory Assets and Liabilities - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Schedule of Regulatory Assets and Liabilities [Line Items]
Water production costs	$ 77,644	$ 70,867	$ 141,829	$ 125,875
Short-term portion of the regulatory assets	5,495		5,495		$ 64,240
Short-term portion of the regulatory liabilities	$ 12,754		12,754		$ 21,540
Incremental cost balancing account (ICBA)
Schedule of Regulatory Assets and Liabilities [Line Items]
Water production costs			3,500
Incremental cost balancing account (ICBA)
Schedule of Regulatory Assets and Liabilities [Line Items]
Water production costs			$ 12,700

Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2024
Lessee, Lease, Description [Line Items]
Contingency loss recognized liability	$ 6.0		$ 4.1
Camino Real \| Supply Commitment
Lessee, Lease, Description [Line Items]
Payments for other commitments	$ 22.3	$ 21.5

Fair Value of Financial Assets and Liabilities - Narrative (Details)	6 Months Ended
	Jun. 30, 2024
Fair Value Disclosures [Abstract]
Risk premium (as a percent)	0.60%

Fair Value of Financial Assets and Liabilities - Schedule of Long Term Debt at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Cost
Fair Value of Financial Assets and Liabilities
Long-term debt, including current maturities, net	$ 1,052,975	$ 1,053,440
Fair Value
Fair Value of Financial Assets and Liabilities
Long-term debt, including current maturities, net	910,335	965,444
Fair Value \| Level 1
Fair Value of Financial Assets and Liabilities
Long-term debt, including current maturities, net	0	0
Fair Value \| Level 2
Fair Value of Financial Assets and Liabilities
Long-term debt, including current maturities, net	910,335	965,444
Fair Value \| Level 3
Fair Value of Financial Assets and Liabilities
Long-term debt, including current maturities, net	$ 0	$ 0

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