Revenue (Tables)

6 Months Ended

Jun. 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 six months ended June 30 (dollars in thousands):

	Three months ended June 30,				Six months ended June 30,
	2021		2020		2021		2020
Utility-related taxes	$	13,459	$	12,879	$	33,155	$	31,578

Disaggregation of Revenue

Disaggregation of Total Operating Revenue

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

	Three months ended June 30,						Six months ended June 30,
	2021			2020			2021			2020
Avista Utilities
Revenue from contracts with customers	$	260,676		$	235,405		$	619,289		$	587,034
Derivative revenues		28,083			24,211			63,064			55,285
Alternative revenue programs		(3,069	)		4,362			(2,570	)		(51	)
Deferrals and amortizations for rate refunds to customers		(369	)		2,080			2,820			(525	)
Other utility revenues		2,239			2,281			4,817			3,801
Total Avista Utilities		287,560			268,339			687,420			645,544
AEL&P
Revenue from contracts with customers		10,487			9,978			23,266			22,104
Deferrals and amortizations for rate refunds to customers		(48	)		(47	)		(95	)		(95	)
Other utility revenues		108			67			197			191
Total AEL&P		10,547			9,998			23,368			22,200
Other revenues		148			255			337			1,078
Total operating revenues	$	298,255		$	278,592		$	711,125		$	668,822

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 six months ended June 30 (dollars in thousands):

	2021						2020
	Avista Utilities		AEL&P		Total Utility		Avista Utilities		AEL&P		Total Utility
Three months ended June 30:
ELECTRIC OPERATIONS
Revenue from contracts with customers
Residential	$	84,688	$	4,251	$	88,939	$	78,760	$	4,190	$	82,950
Commercial		80,858		6,177		87,035		68,785		5,729		74,514
Industrial		27,429		—		27,429		24,816		—		24,816
Public street and highway lighting		1,869		59		1,928		1,846		59		1,905
Total retail revenue		194,844		10,487		205,331		174,207		9,978		184,185
Transmission		4,801		—		4,801		4,409		—		4,409
Other revenue from contracts with    customers		6,532		—		6,532		3,415		—		3,415
Total electric revenue from contracts  with customers	$	206,177	$	10,487	$	216,664	$	182,031	$	9,978	$	192,009
Six months ended June 30:
ELECTRIC OPERATIONS
Revenue from contracts with customers
Residential	$	197,911	$	10,299	$	208,210	$	186,737	$	10,045	$	196,782
Commercial		157,142		12,848		169,990		147,634		11,938		159,572
Industrial		52,140		—		52,140		49,527		—		49,527
Public street and highway lighting		3,721		119		3,840		3,629		121		3,750
Total retail revenue		410,914		23,266		434,180		387,527		22,104		409,631
Transmission		8,296		—		8,296		8,183		—		8,183
Other revenue from contracts with    customers		12,672		—		12,672		8,705		—		8,705
Total electric revenue from contracts    with customers	$	431,882	$	23,266	$	455,148	$	404,415	$	22,104	$	426,519

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

	2021		2020
	Avista Utilities		Avista Utilities
Three months ended June 30:
NATURAL GAS OPERATIONS
Revenue from contracts with customers
Residential	$	33,703	$	34,826
Commercial		15,598		14,142
Industrial and interruptible		1,819		1,543
Total retail revenue		51,120		50,511
Transportation		1,973		1,738
Other revenue from contracts with    customers		1,406		1,125
Total natural gas revenue from    contracts with customers	$	54,499	$	53,374
Six months ended June 30:
NATURAL GAS OPERATIONS
Revenue from contracts with customers
Residential	$	121,204	$	118,998
Commercial		55,373		53,544
Industrial and interruptible		4,043		3,737
Total retail revenue		180,620		176,279
Transportation		4,256		4,090
Other revenue from contracts with    customers		2,531		2,250
Total natural gas revenue from contracts with customers	$	187,407	$	182,619