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Revenue (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Unbilled Accounts Receivable

Accounts receivable includes unbilled energy revenues of the following amounts as of December 31 (dollars in thousands):


		2022				2021
Unbilled accounts receivable		$	81,691			$	74,479

Schedule of Utilities Operating Revenue Expense Taxes

Utility-related taxes that were included in revenue from contracts with customers were as follows for the years ended December 31 (dollars in thousands):


		2022				2021				2020
Utility-related taxes		$	69,931			$	62,736			$	59,319

Disaggregation of Revenue

Disaggregation of Total Operating Revenue

The following table disaggregates total operating revenue by segment and source for the years ended December 31 (dollars in thousands):


		2022				2021				2020
Avista Utilities
Revenue from contracts with customers		$	1,400,027			$	1,233,904			$	1,157,746
Derivative revenues			286,309				152,590				110,313
Alternative revenue programs			(33,357	)			(6,635	)			(3,814	)
Deferrals and amortizations for rate refunds to customers			207				2,984				5,335
Other utility revenues			10,629				10,156				7,888
Total Avista Utilities			1,663,815				1,392,999				1,277,468
AEL&P
Revenue from contracts with customers			45,703				45,051				42,624
Deferrals and amortizations for rate refunds to customers			(614	)			(190	)			(190	)
Other utility revenues			615				505				375
Total AEL&P			45,704				45,366				42,809
Other
Revenue from contracts with customers			—				2				564
Other revenues			688				569				1,050
Total Other			688				571				1,614
Total operating revenues		$	1,710,207			$	1,438,936			$	1,321,891

Utility Revenue from Contracts with Customers by Type and Service

The following table disaggregates revenue from contracts with customers associated with the Company's electric operations for the years ended December 31 (dollars in thousands):


		2022												2021												2020
		Avista Utilities				AEL&P				Total Utility				Avista Utilities				AEL&P				Total Utility				Avista Utilities				AEL&P				Total Utility
ELECTRIC OPERATIONS
Revenue from contracts with customers
Residential		$	414,823			$	19,667			$	434,490			$	394,717			$	18,940			$	413,657			$	377,785			$	18,618			$	396,403
Commercial and governmental			338,656				25,782				364,438				326,173				25,861				352,034				303,972				23,754				327,726
Industrial			107,740				—				107,740				106,756				—				106,756				103,103				—				103,103
Public street and highway lighting			7,483				254				7,737				7,472				250				7,722				7,303				252				7,555
Total retail revenue			868,702				45,703				914,405				835,118				45,051				880,169				792,163				42,624				834,787
Transmission			32,307				—				32,307				21,005				—				21,005				18,236				—				18,236
Other revenue from contracts with customers			49,920				—				49,920				33,870				—				33,870				19,252				—				19,252
Total revenue from contracts with customers		$	950,929			$	45,703			$	996,632			$	889,993			$	45,051			$	935,044			$	829,651			$	42,624			$	872,275

The following table disaggregates revenue from contracts with customers associated with the Company's natural gas operations for the years ended December 31 (dollars in thousands):


		2022				2021				2020
		Avista Utilities				Avista Utilities				Avista Utilities
NATURAL GAS OPERATIONS
Revenue from contracts with customers
Residential		$	284,452			$	221,405			$	213,612
Commercial			139,923				100,819				94,937
Industrial and interruptible			10,471				7,796				7,128
Total retail revenue			434,846				330,020				315,677
Transportation			8,627				8,547				7,917
Other revenue from contracts with customers			5,625				5,344				4,501
Total revenue from contracts with customers		$	449,098			$	343,911			$	328,095