Utility Plant and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2025

Schedule of Public Utility Property Plant and Equipment Components [Table Text Block]

The following table shows Registrant’s utility plant (regulated utility plant and non-regulated utility property) by major asset class:


	AWR December 31,				GSWC December 31,
(dollars in thousands)	2025		2024		2025		2024
Water
Land	$	18,239	$	18,240	$	18,239	$	18,240
Intangible assets	31,482		31,004		31,482		31,004
Source of water supply	124,886		115,247		124,886		115,247
Pumping	277,265		253,150		277,265		253,150
Water treatment	121,213		114,784		121,213		114,784
Transmission and distribution	1,726,411		1,589,763		1,726,411		1,589,763
Other	165,215		149,580		114,818		105,123
	2,464,711		2,271,768		2,414,314		2,227,311
Electric
Transmission and distribution	199,148		141,634		—		—
Generation	12,583		12,583		—		—
Other (1)	18,061		16,910		—		—
	229,792		171,127		—		—

Less — accumulated depreciation	(653,667)		(648,199)		(564,529)		(561,256)
Construction work in progress	255,483		304,929		233,899		245,314
Net utility plant	$	2,296,319	$	2,099,625	$	2,083,684	$	1,911,369

(1) Includes intangible assets of $1.2 million for the years ended December 31, 2025 and 2024 for studies performed.

Schedule of components of intangible assets

As of December 31, 2025 and 2024, intangible assets consist of the following:


	Weighted Average Amortization	AWR December 31,				GSWC December 31,
(dollars in thousands)	Period	2025		2024		2025		2024
Intangible assets:
Conservation programs	10 years	$	9,486	$	9,486	$	9,486	$	9,486
Water and service rights (2)	30 years	8,695		8,695		8,124		8,124
Water planning studies	10 years	14,758		14,250		13,520		13,012
Total intangible assets		32,939		32,431		31,130		30,622
Less — accumulated amortization		(29,813)		(28,332)		(28,481)		(27,145)
Intangible assets, net of amortization		$	3,126	$	4,099	$	2,649	$	3,477

Intangible assets not subject to amortization (3)		$	383	$	383	$	382	$	382

(2) Includes intangible assets of $0.6 million for contracted services included in “Other Property and Investments” on the consolidated balance sheets as of December 31, 2025 and 2024.

(3) The intangible assets not subject to amortization primarily consist of organization and consent fees.

Schedule of estimated future consolidated amortization expenses related to intangible assets

Estimated future consolidated amortization expense related to intangible assets are as follows (in thousands):


	Amortization Expense
2026	$	1,469
2027	1,325
2028	12
2029	12
2030	12
Total	$	2,830

Schedule of reconciliation of the beginning and ending aggregate carrying amount of the asset retirement obligations

The following is a reconciliation of the beginning and ending aggregate carrying amount of asset retirement obligations, which are included in “Other Credits” on the balance sheets as of December 31, 2025 and 2024:


(dollars in thousands)	GSWC
Obligation at December 31, 2023	$	10,509
Additional liabilities incurred	148
Liabilities settled	(328)
Accretion	426
Obligation at December 31, 2024	$	10,755
Additional liabilities incurred	270
Liabilities settled	(73)
Accretion	445
Obligation at December 31, 2025	$	11,397

AMERICAN STATES WATER CO 10-K