Revenues (Tables)

9 Months Ended

Sep. 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-Wisconsin’s operating revenues consisted of the following:

	Three Months Ended Sept. 30, 2022
(Millions of Dollars)	Electric		Natural Gas		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	78	$	9	$	87
C&I	139		9		148
Other	2		—		2
Total retail	219		18		237
Interchange	51		—		51
Other	1		1		2
Total revenue from contracts with customers	271		19		290
Alternative revenue and other	3		1		4
Total revenues	$	274	$	20	$	294

	Three Months Ended Sept. 30, 2021
(Millions of Dollars)	Electric		Natural Gas		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	73	$	8	$	81
C&I	126		12		138
Other	2		—		2
Total retail	201		20		221
Interchange	48		—		48
Other	—		2		2
Total revenue from contracts with customers	249		22		271
Alternative revenue and other	3		—		3
Total revenues	$	252	$	22	$	274

	Nine Months Ended Sept. 30, 2022
(Millions of Dollars)	Electric		Natural Gas		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	226	$	69	$	295
C&I	374		58		432
Other	6		—		6
Total retail	606		127		733
Interchange	150		—		150
Other	3		3		6
Total revenue from contracts with customers	759		130		889
Alternative revenue and other	8		3		11
Total revenues	$	767	$	133	$	900

	Nine Months Ended Sept. 30, 2021
(Millions of Dollars)	Electric		Natural Gas		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	208	$	54	$	262
C&I	336		51		387
Other	7		—		7
Total retail	551		105		656
Interchange	140		—		140
Other	—		4		4
Total revenue from contracts with customers	691		109		800
Alternative revenue and other	9		1		10
Total revenues	$	700	$	110	$	810