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Revenues (Tables)
9 Months Ended
Sep. 30, 2021
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue Xcel Energy’s operating revenues consisted of the following:
Three Months Ended Sept. 30, 2021
(Millions of Dollars)ElectricNatural GasAll OtherTotal
Major revenue types
Revenue from contracts with customers:
Residential$999 $133 $12 $1,144 
C&I1,515 76 1,598 
Other35 — 36 
Total retail2,549 209 20 2,778 
Wholesale288 — — 288 
Transmission167 — — 167 
Other17 45 — 62 
Total revenue from contracts with customers3,021 254 20 3,295 
Alternative revenue and other155 14 172 
Total revenues$3,176 $268 $23 $3,467 
Three Months Ended Sept. 30, 2020
(Millions of Dollars)ElectricNatural GasAll OtherTotal
Major revenue types
Revenue from contracts with customers:
Residential$962 $124 $11 $1,097 
C&I1,340 56 1,401 
Other34 — 36 
Total retail2,336 180 18 2,534 
Wholesale227 — — 227 
Transmission157 — — 157 
Other17 28 — 45 
Total revenue from contracts with customers2,737 208 18 2,963 
Alternative revenue and other204 11 219 
Total revenues$2,941 $219 $22 $3,182 

Nine Months Ended Sept. 30, 2021
(Millions of Dollars)ElectricNatural GasAll OtherTotal
Major revenue types
Revenue from contracts with customers:
Residential$2,488 $774 $33 $3,295 
C&I3,830 389 22 4,241 
Other96 — 101 
Total retail6,414 1,163 60 7,637 
Wholesale1,265 — — 1,265 
Transmission461 — — 461 
Other51 106 — 157 
Total revenue from contracts with customers8,191 1,269 60 9,520 
Alternative revenue and other452 95 556 
Total revenues$8,643 $1,364 $69 $10,076 

Nine Months Ended Sept. 30, 2020
(Millions of Dollars)ElectricNatural GasAll OtherTotal
Major revenue types
Revenue from contracts with customers:
Residential$2,356 $647 $32 $3,035 
C&I3,481 308 20 3,809 
Other94 — 98 
Total retail5,931 955 56 6,942 
Wholesale553 — — 553 
Transmission442 — — 442 
Other55 86 — 141 
Total revenue from contracts with customers6,981 1,041 56 8,078 
Alternative revenue and other449 41 11 501 
Total revenues$7,430 $1,082 $67 $8,579