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Montana electricity prices, August 2025

Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary

In August 2025, residential customers in Montana paid an average of 14.28¢ per kilowatthour, up 7.5% on the same month a year earlier (13.28¢). The US average for the month was 17.61¢; Montana was 19% below that. It ranked 39th highest among the 50 states and the District of Columbia.

Residential sales were 464,968 MWh, down 3.1% on a year earlier, and the average residential bill for the month was $116.98 on 819 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.

14.28¢residential, per kWh+7.5% on Aug 2024
$116.98average residential bill for the monthon 819 kWh
465 GWhresidential sales-3.1% on a year earlier
39thhighest residential price of 51US 17.61¢

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

SectorAug 2025Aug 2024ChangeUS, Aug 2025
Residential14.28¢13.28¢+7.5%17.61¢
Commercial12.55¢12.07¢+4.0%13.93¢
Industrial7.41¢7.28¢+1.8%9.08¢
All sectors11.59¢10.96¢+5.7%14.22¢

Sales and customers

MeasureAug 2025Aug 2024Change
Residential sales465 GWh480 GWh-3.1%
Sales, all sectors1.3 TWh1.3 TWh-1.3%
Residential customers567,572558,380+1.6%
Average residential bill$116.98$114.14+2.5%
Average residential use, kWh819860-4.8%
US residential price17.61¢16.60¢+6.1%

The two years to August 2025

0¢5¢10¢15¢20¢Aug 2023Dec 2023Apr 2024Aug 2024Dec 2024Apr 2025Aug 2025

Montana residentialUS residential

Cents per kWh, Form EIA-861M.
← July 2025September 2025 →

Questions and answers

What was the average electricity price in Montana in August 2025?

14.28¢ per kilowatthour for residential customers, 12.55¢ for commercial and 7.41¢ for industrial customers. EIA marks the month as preliminary.

How does that compare with a year earlier?

The residential average was 13.28¢ in August 2024, a change of +7.5%. Residential sales changed by -3.1% over the same period.

What was the average residential bill that month?

$116.98, on average use of 819 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.