Revenues (Tables)

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Revenue is classified by the type of goods/services rendered and market/customer type. NSP-Minnesota’s operating revenues consisted of the following:

	Three Months Ended June 30, 2022
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	338	$	76	$	3	$	417
C&I	588		76		—		664
Other	10		—		8		18
Total retail	936		152		11		1,099
Wholesale	138		—		—		138
Transmission	63		—		—		63
Interchange	133		—		—		133
Other	(5)		3		—		(2)
Total revenue from contracts with customers	1,265		155		11		1,431
Alternative revenue and other	59		12		—		71
Total revenues	$	1,324	$	167	$	11	$	1,502

	Three Months Ended June 30, 2021
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	334	$	38	$	7	$	379
C&I	547		29		—		576
Other	8		—		2		10
Total retail	889		67		9		965
Wholesale	69		—		—		69
Transmission	58		—		—		58
Interchange	131		—		—		131
Other	3		4		—		7
Total revenue from contracts with customers	1,150		71		9		1,230
Alternative revenue and other	76		9		—		85
Total revenues	$	1,226	$	80	$	9	$	1,315

	Six Months Ended June 30, 2022
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	675	$	311	$	9	$	995
C&I	1,102		256		—		1,358
Other	19		—		12		31
Total retail	1,796		567		21		2,384
Wholesale	263		—		—		263
Transmission	124		—		—		124
Interchange	262		—		—		262
Other	1		5		—		6
Total revenue from contracts with customers	2,446		572		21		3,039
Alternative revenue and other	132		29		—		161
Total revenues	$	2,578	$	601	$	21	$	3,200

	Six Months Ended June 30, 2021
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	660	$	152	$	14	$	826
C&I	964		108		—		1,072
Other	15		—		4		19
Total retail	1,639		260		18		1,917
Wholesale	167		—		—		167
Transmission	114		—		—		114
Interchange	246		—		—		246
Other	5		3		—		8
Total revenue from contracts with customers	2,171		263		18		2,452
Alternative revenue and other	194		21		—		215
Total revenues	$	2,365	$	284	$	18	$	2,667