v3.26.1
Revenues
 6 Months Ended
Jun. 30, 2026
Revenue from Contract with Customer [Abstract]  
Revenues evenue is classified by the type of goods/services rendered and market/customer type. PSCo’s operating revenues consisted of the following:
Three Months Ended June 30, 2026
(Millions of Dollars)ElectricNatural GasAll OtherTotal
Major revenue types
Revenue from contracts with customers:
Residential$288 $116 $1 $405 
C&I432 55 7 494 
Other11 — — 11 
Total retail731 171 8 910 
Wholesale20 — — 20 
Transmission29 — — 29 
Other17 40 — 57 
Total revenue from contracts with customers797 211 8 1,016 
Alternative revenue and other185 14 — 199 
Total revenues$982 $225 $8 $1,215 
Three Months Ended June 30, 2025
(Millions of Dollars)ElectricNatural GasAll OtherTotal
Major revenue types
Revenue from contracts with customers:
Residential$299 $145 $1 $445 
C&I448 67 7 522 
Other13 — — 13 
Total retail760 212 8 980 
Wholesale49 — — 49 
Transmission26 — — 26 
Other16 37 — 53 
Total revenue from contracts with customers851 249 8 1,108 
Alternative revenue and other107 11 — 118 
Total revenues$958 $260 $8 $1,226 
Six Months Ended June 30, 2026
(Millions of Dollars)ElectricNatural GasAll OtherTotal
Major revenue types
Revenue from contracts with customers:
Residential$587 $448 $1 $1,036 
C&I849 189 18 1,056 
Other23 — — 23 
Total retail1,459 637 19 2,115 
Wholesale57 — — 57 
Transmission60 — — 60 
Other34 87 — 121 
Total revenue from contracts with customers1,610 724 19 2,353 
Alternative revenue and other350 31 — 381 
Total revenues$1,960 $755 $19 $2,734 
Six Months Ended June 30, 2025
(Millions of Dollars)ElectricNatural GasAll OtherTotal
Major revenue types
Revenue from contracts with customers:
Residential$627 $544 $1 $1,172 
C&I835 224 19 1,078 
Other25 — — 25 
Total retail1,487 768 20 2,275 
Wholesale110 — — 110 
Transmission56 — — 56 
Other29 85 — 114 
Total revenue from contracts with customers1,682 853 20 2,555 
Alternative revenue and other214 34 — 248 
Total revenues$1,896 $887 $20 $2,803