Revenues

9 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Revenues

Revenue is classified by the type of goods/services rendered and market/customer type. PSCo’s operating revenues consisted of the following:

	Three Months Ended Sept. 30, 2022
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	431	$	136	$	4	$	571
C&I	556		64		7		627
Other	13		—		—		13
Total retail	1,000		200		11		1,211
Wholesale	63		—		—		63
Transmission	25		—		—		25
Other	15		30		—		45
Total revenue from contracts with customers	1,103		230		11		1,344
Alternative revenue and other	34		5		—		39
Total revenues	$	1,137	$	235	$	11	$	1,383

	Three Months Ended Sept. 30, 2021
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	386	$	97	$	3	$	486
C&I	510		38		7		555
Other	12		—		—		12
Total retail	908		135		10		1,053
Wholesale	60		—		—		60
Transmission	23		—		—		23
Other	15		38		—		53
Total revenue from contracts with customers	1,006		173		10		1,189
Alternative revenue and other	42		4		2		48
Total revenues	$	1,048	$	177	$	12	$	1,237
	Nine Months Ended Sept. 30, 2022
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	1,025	$	686	$	11	$	1,722
C&I	1,383		279		16		1,678
Other	38		—		—		38
Total retail	2,446		965		27		3,438
Wholesale	200		—		—		200
Transmission	65		—		—		65
Other	39		106		—		145
Total revenue from contracts with customers	2,750		1,071		27		3,848
Alternative revenue and other	99		16		12		127
Total revenues	$	2,849	$	1,087	$	39	$	3,975
	Nine Months Ended Sept. 30, 2021
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	904	$	540	$	9	$	1,453
C&I	1,262		203		22		1,487
Other	37		—		—		37
Total retail	2,203		743		31		2,977
Wholesale	195		—		—		195
Transmission	59		—		—		59
Other	37		122		—		159
Total revenue from contracts with customers	2,494		865		31		3,390
Alternative revenue and other	114		65		3		182
Total revenues	$	2,608	$	930	$	34	$	3,572