Revenues

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Revenues

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