States › Colorado › September 2025
Colorado electricity prices, September 2025
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In September 2025, residential customers in Colorado paid an average of 16.70¢ per kilowatthour, up 7.3% on the same month a year earlier (15.57¢). The US average for the month was 18.08¢; Colorado was 7.6% below that. It ranked 22nd highest among the 50 states and the District of Columbia.
Residential sales were 1,692,241 MWh, down 3.9% on a year earlier, and the average residential bill for the month was $111.86 on 670 kWh. Weather moves monthly sales far more than prices do, so bills swing with the season.
EIA marks this month as preliminary. Preliminary months come from the Form EIA-861M sample and are revised when the annual census is complete.
Average price is revenue divided by sales for the sector and year; it is not a tariff rate. Reliability figures are as reported by utilities to EIA on Form 861 and may use different calculation methods. Monthly figures come from the Form EIA-861M sample and are revised when EIA finalises the year.
Price by sector
| Sector | Sep 2025 | Sep 2024 | Change | US, Sep 2025 |
|---|---|---|---|---|
| Residential | 16.70¢ | 15.57¢ | +7.3% | 18.08¢ |
| Commercial | 13.58¢ | 12.49¢ | +8.7% | 13.99¢ |
| Industrial | 9.26¢ | 9.07¢ | +2.1% | 9.02¢ |
| All sectors | 13.48¢ | 12.70¢ | +6.1% | 14.21¢ |
Sales and customers
| Measure | Sep 2025 | Sep 2024 | Change |
|---|---|---|---|
| Residential sales | 1.7 TWh | 1.8 TWh | -3.9% |
| Sales, all sectors | 4.8 TWh | 4.9 TWh | -3.2% |
| Residential customers | 2,526,644 | 2,565,435 | -1.5% |
| Average residential bill | $111.86 | $106.85 | +4.7% |
| Average residential use, kWh | 670 | 686 | -2.3% |
| US residential price | 18.08¢ | 16.82¢ | +7.5% |
The two years to September 2025
Colorado residentialUS residential
Questions and answers
What was the average electricity price in Colorado in September 2025?
16.70¢ per kilowatthour for residential customers, 13.58¢ for commercial and 9.26¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 15.57¢ in September 2024, a change of +7.3%. Residential sales changed by -3.9% over the same period.
What was the average residential bill that month?
$111.86, on average use of 670 kWh. This is residential revenue divided by residential customers for the month.
Provenance
Source: U.S. Energy Information Administration, Form EIA-861M sales and revenue workbook (state by sector and month), status "Preliminary" for this month, series published through July 2026. Public domain. Price = revenue ÷ sales; bill = residential revenue ÷ residential customers. Utility-level annual figures are on the Colorado page.