Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2025

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following tables set forth information relating to H2O America's reportable segment and other business activities:

	For the three months ended June 30, 2025
	Reportable Segment
	Water Utility Services		Other Services (1)	Unallocated Corporate (2)	Consolidated
Operating revenue	$	194,674	3,581	—	198,255
Less:
Production expenses	79,324		1,545	—	80,869
Administrative and general	24,967		252	3,576	28,795
Maintenance	6,745		725	—	7,470
Property taxes and other non-income taxes	8,506		9	(9)	8,506
Depreciation and amortization	28,485		34	231	28,750
Interest on long-term debt and other interest expense	12,719		—	5,403	18,122
Provision (benefit) for income taxes	6,706		283	(2,319)	4,670
Other (3)	(1,748)		(38)	(1,816)	(3,602)
Net income (loss)	$	28,970	771	(5,066)	24,675
Capital expenditures	$	132,058	—	—	132,058

	For the three months ended June 30, 2024
	Reportable Segment
	Water Utility Services		Other Services (1)	Unallocated Corporate (2)	Consolidated
Operating revenue	$	172,046	4,128	—	176,174
Less:
Production expenses	69,176		1,293	1	70,470
Administrative and general	19,292		820	356	20,468
Maintenance	7,261		620	—	7,881
Property taxes and other non-income taxes	8,463		20	(64)	8,419
Depreciation and amortization	28,057		86	223	28,366
Interest on long-term debt and other interest expense	12,037		224	6,033	18,294
Provision (benefit) for income taxes	5,325		233	(1,834)	3,724
Other (3)	(1,570)		583	(1,157)	(2,144)
Net income (loss)	$	24,005	249	(3,558)	20,696
Capital expenditures	$	96,636	—	—	96,636

	For the six months ended June 30, 2025
	Reportable Segment
	Water Utility Services		Other Services (1)	Unallocated Corporate (2)	Consolidated
Operating revenue	$	359,830	6,024	—	365,854
Less:
Production expenses	137,309		2,527	—	139,836
Administrative and general	51,718		812	4,025	56,555
Maintenance	13,748		1,221	—	14,969
Property taxes and other non-income taxes	17,715		(50)	36	17,701
Depreciation and amortization	56,517		61	454	57,032
Interest on long-term debt and other interest expense	25,758		—	10,636	36,394
Provision (benefit) for income taxes	12,012		509	(4,380)	8,141
Other (3)	(2,870)		(137)	(2,993)	(6,000)
Net income (loss)	$	47,923	1,081	(7,778)	41,226
Capital expenditures	$	216,403	—	—	216,403

	For the six months ended June 30, 2024
	Reportable Segment
	Water Utility Services		Other Services (1)	Unallocated Corporate (2)	Consolidated
Operating revenue	$	316,961	8,595	—	325,556
Less:
Production expenses	120,213		2,051	—	122,264
Administrative and general	43,142		1,630	1,484	46,256
Maintenance	13,504		1,064	—	14,568
Property taxes and other non-income taxes	17,053		258	(62)	17,249
Depreciation and amortization	56,118		172	446	56,736
Interest on long-term debt and other interest expense	23,579		445	11,854	35,878
Provision (benefit) for income taxes	9,021		817	(3,883)	5,955
Other (3)	(4,455)		575	(1,865)	(5,745)
Net income (loss)	$	38,786	1,583	(7,974)	32,395
Capital expenditures	$	170,147	—	—	170,147

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(1)    The “Other Services” category includes the accounts of SJW Land Co, Chester Reality, Inc., SJWC’s Cupertino service concession arrangement operations, TWOS, TWR, and NEWUS, on a stand-alone basis.

(2)    The “Unallocated Corporate” category includes the accounts of H2O America, SJWNE LLC, SJWTX Holdings, Inc., CTWS, NWU on a stand-alone basis.

(3)    Primarily comprised of pension non-service credit (cost) and items of miscellaneous non-operating income (expense).

H2O America’s assets for the Water Utility Services reportable segment and all other are as follows as of:

	June 30, 2025		December 31, 2024
Water Utility Services (reportable segment)	$	4,728,012	4,567,182
Other Services	27,994		25,053
Unallocated Corporate	90,920		66,074
Total assets	$	4,846,926	4,658,309