Revenues (Tables)

9 Months Ended

Sep. 30, 2023

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

NSP-Minnesota’s operating revenues consisted of the following:

	Three Months Ended Sept. 30, 2023
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	445	$	28	$	11	$	484
C&I	664		26		—		690
Other	9		—		2		11
Total retail	1,118		54		13		1,185
Wholesale	103		—		—		103
Transmission	72		—		—		72
Interchange and other	130		4		—		134
Total revenue from contracts with customers	1,423		58		13		1,494
Alternative revenue and other	90		7		—		97
Total revenues	$	1,513	$	65	$	13	$	1,591

	Three Months Ended Sept. 30, 2022
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	441	$	37	$	10	$	488
C&I	714		43		—		757
Other	10		—		2		12
Total retail	1,165		80		12		1,257
Wholesale	242		—		—		242
Transmission	101		—		—		101
Interchange and other	140		10		—		150
Total revenue from contracts with customers	1,648		90		12		1,750
Alternative revenue and other	82		12		—		94
Total revenues	$	1,730	$	102	$	12	$	1,844

	Nine Months Ended Sept. 30, 2023
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	1,120	$	277	$	30	$	1,427
C&I	1,724		239		—		1,963
Other	26		—		5		31
Total retail	2,870		516		35		3,421
Wholesale	287		—		—		287
Transmission	202		—		—		202
Interchange and other	364		9		—		373
Total revenue from contracts with customers	3,723		525		35		4,283
Alternative revenue and other	235		38		—		273
Total revenues	$	3,958	$	563	$	35	$	4,556

	Nine Months Ended Sept. 30, 2022
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	1,116	$	348	$	19	$	1,483
C&I	1,816		299		—		2,115
Other	29		—		14		43
Total retail	2,961		647		33		3,641
Wholesale	505		—		—		505
Transmission	225		—		—		225
Interchange and other	403		15		—		418
Total revenue from contracts with customers	4,094		662		33		4,789
Alternative revenue and other	214		41		—		255
Total revenues	$	4,308	$	703	$	33	$	5,044