Revenues

6 Months Ended

Jun. 30, 2023

Revenue from Contract with Customer [Abstract]

Revenues

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 June 30, 2023
(Millions of Dollars)	Electric		Natural Gas		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	68	$	13	$	81
C&I	122		9		131
Other	2		—		2
Total retail	192		22		214
Interchange and other	41		—		41
Total revenue from contracts with customers	233		22		255
Alternative revenue and other	3		2		5
Total revenues	$	236	$	24	$	260

	Three Months Ended June 30, 2022
(Millions of Dollars)	Electric		Natural Gas		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	67	$	18	$	85
C&I	119		15		134
Other	2		—		2
Total retail	188		33		221
Interchange and other	53		1		54
Total revenue from contracts with customers	241		34		275
Alternative revenue and other	2		1		3
Total revenues	$	243	$	35	$	278

	Six Months Ended June 30, 2023
(Millions of Dollars)	Electric		Natural Gas		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	150	$	54	$	204
C&I	242		43		285
Other	4		—		4
Total retail	396		97		493
Interchange and other	88		1		89
Total revenue from contracts with customers	484		98		582
Alternative revenue and other	6		3		9
Total revenues	$	490	$	101	$	591

	Six Months Ended June 30, 2022
(Millions of Dollars)	Electric		Natural Gas		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	148	$	60	$	208
C&I	235		49		284
Other	4		—		4
Total retail	387		109		496
Interchange and other	101		2		103
Total revenue from contracts with customers	488		111		599
Alternative revenue and other	5		2		7
Total revenues	$	493	$	113	$	606