States › Montana › December 2025
Montana electricity prices, December 2025
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In December 2025, residential customers in Montana paid an average of 12.77¢ per kilowatthour, up 7.5% on the same month a year earlier (11.88¢). The US average for the month was 17.24¢; Montana was 26% below that. It ranked 42nd highest among the 50 states and the District of Columbia.
Residential sales were 565,351 MWh, down 4.3% on a year earlier, and the average residential bill for the month was $126.43 on 990 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 | Dec 2025 | Dec 2024 | Change | US, Dec 2025 |
|---|---|---|---|---|
| Residential | 12.77¢ | 11.88¢ | +7.5% | 17.24¢ |
| Commercial | 11.62¢ | 11.00¢ | +5.6% | 13.63¢ |
| Industrial | 6.34¢ | 7.70¢ | -17.7% | 8.53¢ |
| All sectors | 10.70¢ | 10.51¢ | +1.8% | 13.73¢ |
Sales and customers
| Measure | Dec 2025 | Dec 2024 | Change |
|---|---|---|---|
| Residential sales | 565.4 GWh | 590.8 GWh | -4.3% |
| Sales, all sectors | 1.4 TWh | 1.4 TWh | -2.1% |
| Residential customers | 570,897 | 561,958 | +1.6% |
| Average residential bill | $126.43 | $124.86 | +1.3% |
| Average residential use, kWh | 990 | 1,051 | -5.8% |
| US residential price | 17.24¢ | 16.27¢ | +6.0% |
The two years to December 2025
Montana residentialUS residential
Questions and answers
What was the average electricity price in Montana in December 2025?
12.77¢ per kilowatthour for residential customers, 11.62¢ for commercial and 6.34¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 11.88¢ in December 2024, a change of +7.5%. Residential sales changed by -4.3% over the same period.
What was the average residential bill that month?
$126.43, on average use of 990 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 Montana page.