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Revenues
 3 Months Ended
Mar. 31, 2025
Revenue from Contract with Customer [Abstract]  
Revenues
Revenue is classified by the type of goods/services rendered and market/customer type. Xcel Energy’s operating revenues consisted of the following:
Three Months Ended March 31, 2025
(Millions of Dollars)ElectricNatural GasAll OtherTotal
Major revenue types
Revenue from contracts with customers:
Residential$924 $632 $1 $1,557 
C&I1,333 320 10 1,663 
Other35 — 2 37 
Total retail2,292 952 13 3,257 
Wholesale206 — — 206 
Transmission172 — — 172 
Other17 51 — 68 
Total revenue from contracts with customers2,687 1,003 13 3,703 
Alternative revenue and other148 52 3 203 
Total revenues$2,835 $1,055 $16 $3,906 
Three Months Ended March 31, 2024
(Millions of Dollars)ElectricNatural GasAll OtherTotal
Major revenue types
Revenue from contracts with customers:
Residential$859 $568 $10 $1,437 
C&I1,276 274 9 1,559 
Other34 — 2 36 
Total retail2,169 842 21 3,032 
Wholesale173 — — 173 
Transmission158 — — 158 
Other19 59 — 78 
Total revenue from contracts with customers2,519 901 21 3,441 
Alternative revenue and other166 40 2 208 
Total revenues$2,685 $941 $23 $3,649