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Property, Plant And Equipment

12 Months Ended

Dec. 31, 2024

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

NOTE 10. PROPERTY, PLANT AND EQUIPMENT

Net Utility Property

Net utility property consisted of the following as of December 31 (dollars in millions):

		2024				2023
Utility plant in service		$	8,180			$	7,799
Construction work in progress			238				180
Total			8,418				7,979
Less: Accumulated depreciation and amortization			2,431				2,279
Total net utility property		$	5,987			$	5,700

Gross Property, Plant and Equipment

The gross balances of the major classifications of property, plant and equipment are detailed in the following table as of December 31 (dollars in millions):

		2024				2023
Avista Utilities:
Electric production		$	1,523			$	1,498
Electric transmission			1,105				1,059
Electric distribution			2,580				2,383
Electric construction work-in-progress (CWIP) and other			452				395
Electric total			5,660				5,335
Natural gas underground storage			63				60
Natural gas distribution			1,624				1,539
Natural gas CWIP and other			95				92
Natural gas total			1,782				1,691
Common plant (including CWIP)			760				760
Total Avista Utilities			8,202				7,786
AEL&P:
Electric production			120				119
Electric transmission			23				23
Electric distribution			36				32
Electric CWIP and other			26				9
Electric total			205				183
Common plant			11				10
Total AEL&P			216				193
Total gross utility property			8,418				7,979
Other (1)			6				6
Total		$	8,424			$	7,985

(1)Included in other property and investments-net and other non-current assets on the Consolidated Balance Sheets.

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- References

No definition available.

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- Definition

The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/360/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-SubTopic 360
-Topic 958
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477798/958-360-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-SubTopic 360
-Topic 958
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477798/958-360-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-SubTopic 360
-Topic 958
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477798/958-360-50-7

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