CO · ranked #24 in the US
Colorado residential rate: 15.4¢/kWh
That's 7% lower than the US average of 16.5¢/kWh. Dual-peak grid — summer AC on the Front Range, winter electric heat in the mountains and plains.
Estimated cost
$51.97/month
$1.73 per day$632.36 per year337.5 kWh monthly
W
A space heater draws full power only while the thermostat/compressor is running — about 7.5 effective hours at 1500W across your 10-hour window.
At your rate
What appliances cost in Colorado.
Typical monthly running cost at 15.4¢/kWh, sorted by biggest impact on your bill.
Utilities serving Colorado
- Xcel Energy (Public Service Co. of Colorado)
- Black Hills Energy
- Tri-State Generation
Deregulation status
none
In Colorado your utility is both the supplier and the deliverer. No supplier shopping, but regulated rates tend to be more stable.
Sources: www.eia.gov · puc.colorado.gov
Last updated: 2026-04-13