Revenue (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Utilities Operating Revenue Expense Taxes

Utility-related taxes that were included in revenue from contracts with customers were as follows for the three and nine months ended September 30 (dollars in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020
Utility-related taxes	$	13,816	$	12,411	$	46,971	$	43,989

Disaggregation of Revenue

Disaggregation of Total Operating Revenue

The following table disaggregates total operating revenue by segment and source for the three and nine months ended September 30 (dollars in thousands):

	Three months ended September 30,						Nine months ended September 30,
	2021			2020			2021			2020
Avista Utilities
Revenue from contracts with customers	$	266,789		$	240,036		$	886,078		$	827,071
Derivative revenues		28,087			24,075			91,151			79,361
Alternative revenue programs		(10,499	)		(3,972	)		(13,069	)		(4,023	)
Deferrals and amortizations for rate refunds to customers		(156	)		1,742			2,664			1,216
Other utility revenues		2,531			1,683			7,348			5,484
Total Avista Utilities		286,752			263,564			974,172			909,109
AEL&P
Revenue from contracts with customers		9,065			8,797			32,331			30,900
Deferrals and amortizations for rate refunds to customers		(48	)		(48	)		(143	)		(143	)
Other utility revenues		130			66			327			257
Total AEL&P		9,147			8,815			32,515			31,014
Other revenues		108			267			445			1,345
Total operating revenues	$	296,007		$	272,646		$	1,007,132		$	941,468

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 three and nine months ended September 30 (dollars in thousands):

	2021						2020
	Avista Utilities		AEL&P		Total Utility		Avista Utilities		AEL&P		Total Utility
Three months ended September 30:
ELECTRIC OPERATIONS
Revenue from contracts with customers
Residential	$	94,803	$	3,080	$	97,883	$	85,494	$	3,150	$	88,644
Commercial		86,228		5,920		92,148		79,242		5,582		84,824
Industrial		28,843		—		28,843		28,472		—		28,472
Public street and highway lighting		1,877		65		1,942		1,845		65		1,910
Total retail revenue		211,751		9,065		220,816		195,053		8,797		203,850
Transmission		7,372		—		7,372		5,938		—		5,938
Other revenue from contracts with    customers		11,610		—		11,610		4,551		—		4,551
Total electric revenue from contracts  with customers	$	230,733	$	9,065	$	239,798	$	205,542	$	8,797	$	214,339
Nine months ended September 30:
ELECTRIC OPERATIONS
Revenue from contracts with customers
Residential	$	292,714	$	13,379	$	306,093	$	272,231	$	13,236	$	285,467
Commercial		243,370		18,768		262,138		226,876		17,479		244,355
Industrial		80,983		—		80,983		77,999		—		77,999
Public street and highway lighting		5,598		184		5,782		5,474		185		5,659
Total retail revenue		622,665		32,331		654,996		582,580		30,900		613,480
Transmission		15,668		—		15,668		14,121		—		14,121
Other revenue from contracts with    customers		24,282		—		24,282		13,256		—		13,256
Total electric revenue from contracts    with customers	$	662,615	$	32,331	$	694,946	$	609,957	$	30,900	$	640,857

The following table disaggregates revenue from contracts with customers associated with the Company's natural gas operations for the three and nine months ended September 30 (dollars in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020
	Avista Utilities		Avista Utilities		Avista Utilities		Avista Utilities
NATURAL GAS OPERATIONS
Revenue from contracts with customers
Residential	$	21,197	$	20,835	$	142,401	$	139,833
Commercial		10,055		9,340		65,428		62,883
Industrial and interruptible		1,477		1,538		5,520		5,276
Total retail revenue		32,729		31,713		213,349		207,992
Transportation		1,921		1,656		6,177		5,747
Other revenue from contracts with customers		1,406		1,125		3,937		3,375
Total natural gas revenue from contracts with customers	$	36,056	$	34,494	$	223,463	$	217,114