Segment Information (Tables)

3 Months Ended

Mar. 31, 2022

Segment Reporting [Abstract]

Results from Operations by Reportable Segment

NSP-Minnesota’s segment information:

	Three Months Ended March 31
(Millions of Dollars)	2022		2021
Regulated Electric
Total revenues (a)	$	1,254	$	1,139
Net income	98		107
Regulated Natural Gas
Total revenues(b)	$	434	$	204
Net income	29		20
All Other
Total revenues	$	10	$	9
Net income	—		1
Consolidated Total
Total revenues (a)(b)	$	1,698	$	1,352
Net income	127		128

(a)    Operating revenues include $129 million and $115 million of affiliate electric revenue for the three months ended March 31, 2022 and 2021.

(b)    Operating revenues include an immaterial amount of affiliate gas revenue for the three months ended March 31, 2022 and 2021.