Revenues

12 Months Ended

Dec. 31, 2018

Revenue from Contract with Customer [Abstract]

Revenues

Revenues

Revenue is classified by the type of goods/services rendered and market/customer type. Xcel Energy’s operating revenues (subsequent to adoption of the revised revenue guidance) consists of the following:

	Year Ended Dec. 31, 2018
(Millions of Dollars)	Electric		Natural Gas		All Other		Total
Major revenue types
Revenue from contracts with customers:
Residential	$	2,919	$	988	$	38	$	3,945
C&I	4,874		524		25		5,423
Other	134		—		6		140
Total retail	7,927		1,512		69		9,508
Wholesale	791		—		—		791
Transmission	523		—		—		523
Other	98		100		—		198
Total revenue from contracts with customers	9,339		1,612		69		11,020
Alternative revenue and other	380		127		10		517
Total revenues	$	9,719	$	1,739	$	79	$	11,537