Montana electricity prices, May 2025
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In May 2025, residential customers in Montana paid an average of 12.88¢ per kilowatthour, down 2.7% on the same month a year earlier (13.24¢). The US average for the month was 17.37¢; Montana was 26% below that. It ranked 49th highest among the 50 states and the District of Columbia.
Residential sales were 386,999 MWh, down 1.4% on a year earlier, and the average residential bill for the month was $88.16 on 685 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 | May 2025 | May 2024 | Change | US, May 2025 |
|---|---|---|---|---|
| Residential | 12.88¢ | 13.24¢ | -2.7% | 17.37¢ |
| Commercial | 11.63¢ | 12.30¢ | -5.4% | 12.93¢ |
| Industrial | 7.01¢ | 6.82¢ | +2.8% | 8.29¢ |
| All sectors | 10.64¢ | 10.74¢ | -0.9% | 13.13¢ |
Sales and customers
| Measure | May 2025 | May 2024 | Change |
|---|---|---|---|
| Residential sales | 387 GWh | 392.5 GWh | -1.4% |
| Sales, all sectors | 1.1 TWh | 1.2 TWh | -5.7% |
| Residential customers | 565,283 | 556,692 | +1.5% |
| Average residential bill | $88.16 | $93.34 | -5.5% |
| Average residential use, kWh | 685 | 705 | -2.8% |
| US residential price | 17.37¢ | 16.40¢ | +5.9% |
The two years to May 2025
Montana residentialUS residential
Questions and answers
What was the average electricity price in Montana in May 2025?
12.88¢ per kilowatthour for residential customers, 11.63¢ for commercial and 7.01¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 13.24¢ in May 2024, a change of -2.7%. Residential sales changed by -1.4% over the same period.
What was the average residential bill that month?
$88.16, on average use of 685 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.