Revenues

6 Months Ended

Jun. 30, 2020

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 consists of the following:

	Three Months Ended June 30, 2020
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	243.8	$	117.7	$	2.8	$	364.3
C&I	351.5		39.1		5.6		396.2
Other	11.7		—		—		11.7
Total retail	607.0		156.8		8.4		772.2
Wholesale	41.5		—		—		41.5
Transmission	13.8		—		—		13.8
Other	14.5		23.4		—		37.9
Total revenue from contracts with customers	676.8		180.2		8.4		865.4
Alternative revenue and other	38.6		6.0		1.1		45.7
Total revenues	$	715.4	$	186.2	$	9.5	$	911.1

	Three Months Ended June 30, 2019
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	211.5	$	130.1	$	2.8	$	344.4
C&I	384.4		49.4		5.7		439.5
Other	11.8		—		—		11.8
Total retail	607.7		179.5		8.5		795.7
Wholesale	29.1		—		—		29.1
Transmission	11.6		—		—		11.6
Other	6.5		23.3		—		29.8
Total revenue from contracts with customers	654.9		202.8		8.5		866.2
Alternative revenue and other	37.8		4.8		1.2		43.8
Total revenues	$	692.7	$	207.6	$	9.7	$	910.0
	Six Months Ended June 30, 2020
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	481.3	$	335.1	$	5.9	$	822.3
C&I	703.5		116.9		14.8		835.2
Other	23.9		—		—		23.9
Total retail	1,208.7		452.0		20.7		1,681.4
Wholesale	88.8		—		—		88.8
Transmission	27.2		—		—		27.2
Other	29.3		53.2		—		82.5
Total revenue from contracts with customers	1,354.0		505.2		20.7		1,879.9
Alternative revenue and other	73.2		12.5		2.2		87.9
Total revenues	$	1,427.2	$	517.7	$	22.9	$	1,967.8
	Six Months Ended June 30, 2019
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	456.6	$	441.5	$	5.3	$	903.4
C&I	752.3		169.7		14.5		936.5
Other	24.3		—		—		24.3
Total retail	1,233.2		611.2		19.8		1,864.2
Wholesale	86.4		—		—		86.4
Transmission	25.0		—		—		25.0
Other	18.1		54.9		—		73.0
Total revenue from contracts with customers	1,362.7		666.1		19.8		2,048.6
Alternative revenue and other	71.5		10.6		2.3		84.4
Total revenues	$	1,434.2	$	676.7	$	22.1	$	2,133.0