Revenues (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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

	Three Months Ended March 31, 2022
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	337	$	235	$	6	$	578
C&I	514		180		—		694
Other	9		—		4		13
Total retail	860		415		10		1,285
Wholesale	124		—		—		124
Transmission	61		—		—		61
Interchange	129		—		—		129
Other	6		2		—		8
Total revenue from contracts with customers	1,180		417		10		1,607
Alternative revenue and other	74		17		—		91
Total revenues	$	1,254	$	434	$	10	$	1,698

	Three Months Ended March 31, 2021
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	326	$	114	$	7	$	447
C&I	416		79		—		495
Other	8		—		2		10
Total retail	750		193		9		952
Wholesale	98		—		—		98
Transmission	57		—		—		57
Interchange	115		—		—		115
Other	2		—		—		2
Total revenue from contracts with customers	1,022		193		9		1,224
Alternative revenue and other	117		11		—		128
Total revenues	$	1,139	$	204	$	9	$	1,352