Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

NSP-Wisconsin's segment information:

	Three Months Ended June 30
(Millions of Dollars)	2022		2021
Regulated Electric
Total revenues (a)	$	243	$	224
Net income	15		16
Regulated Natural Gas
Total revenues	$	35	$	31
Net income	(1)		(2)
All Other
Net income	$	1	$	—
Consolidated Total
Total revenues (a)	$	278	$	255
Net income	15		14

(a)Total revenues include $52 million and $46 million of affiliate electric revenue for the three months ended June 30, 2022 and 2021, respectively.

	Six Months Ended June 30
(Millions of Dollars)	2022		2021
Regulated Electric
Total revenues (a)	$	493	$	448
Net income	47		40
Regulated Natural Gas
Total revenues	$	113	$	88
Net income	14		6
All Other
Net income	$	1	$	—
Consolidated Total
Total revenues (a)	$	606	$	536
Net income	62		46

(a)Total revenues include $99 million and $92 million of affiliate electric revenue for the six months ended June 30, 2022 and 2021, respectively.