Utility Plant and Intangible Assets

12 Months Ended

Dec. 31, 2021

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)	2021		2020		2021		2020
Water
Land	$	18,207	$	18,234	$	18,207	$	18,234
Intangible assets	29,028		28,906		29,028		28,906
Source of water supply	98,244		92,166		98,244		92,166
Pumping	209,936		190,901		209,936		190,901
Water treatment	83,922		81,272		83,922		81,272
Transmission and distribution	1,356,649		1,277,361		1,356,649		1,277,361
Other	139,895		128,877		102,831		95,562
	1,935,881		1,817,717		1,898,817		1,784,402
Electric (Note 20)
Transmission and distribution	90,491		87,461		—		—
Generation	12,583		12,583		—		—
Other (1)	13,398		12,463		—		—
	116,472		112,507		—		—

Less — accumulated depreciation	(594,264)		(568,326)		(522,672)		(502,283)
Construction work in progress	167,915		150,145		123,600		118,370
Net utility plant	$	1,626,004	$	1,512,043	$	1,499,745	$	1,400,489

(1) Includes intangible assets of $1.2 million for the years ended December 31, 2021 and 2020 for studies performed in association with the electric segment.

As of December 31, 2021 and 2020, intangible assets consist of the following:


	Weighted Average Amortization	AWR December 31,				GSWC December 31,
(dollars in thousands)	Period	2021		2020		2021		2020
Intangible assets:
Conservation programs	3 years	$	9,486	$	9,486	$	9,486	$	9,486
Water and service rights (2)	30 years	8,695		8,694		8,124		8,124
Water planning studies	14 years	12,258		12,141		11,019		10,898
Total intangible assets		30,439		30,321		28,629		28,508
Less — accumulated amortization		(26,401)		(24,460)		(25,109)		(24,305)
Intangible assets, net of amortization		$	4,038	$	5,861	$	3,520	$	4,203

Intangible assets not subject to amortization (3)		$	400	$	399	$	399	$	399

(2) Includes intangible assets of $571,000 for contracted services included in "Other Property and Investments" on the consolidated balance sheets as of December 31, 2021 and 2020.

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

For the years ended December 31, 2021, 2020 and 2019, amortization of intangible assets was $700,000, $654,000 and $1.3 million, respectively, for both AWR and GSWC.

Estimated future consolidated amortization expense related to intangible assets for the succeeding five years are (in thousands):


	Amortization Expense
2022	$	672
2023	672
2024	672
2025	672
2026	672
Total	$	3,360

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, 2021 and 2020:


(dollars in thousands)	GSWC
Obligation at December 31, 2019	$	8,863
Additional liabilities incurred	165
Liabilities settled	(58)
Accretion	350
Obligation at December 31, 2020	$	9,320
Additional liabilities incurred	148
Liabilities settled	(120)
Accretion	369
Obligation at December 31, 2021	$	9,717