Idaho 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 Idaho paid an average of 12.08¢ per kilowatthour, little changed on the same month a year earlier (12.04¢). The US average for the month was 17.61¢; Idaho was 31% below that. It ranked 51st highest among the 50 states and the District of Columbia.
Residential sales were 882,602 MWh, up 4.0% on a year earlier, and the average residential bill for the month was $119.81 on 992 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 | Aug 2025 | Aug 2024 | Change | US, Aug 2025 |
|---|---|---|---|---|
| Residential | 12.08¢ | 12.04¢ | +0.3% | 17.61¢ |
| Commercial | 8.90¢ | 9.23¢ | -3.6% | 13.93¢ |
| Industrial | 8.68¢ | 8.58¢ | +1.2% | 9.08¢ |
| All sectors | 9.86¢ | 9.89¢ | -0.3% | 14.22¢ |
Sales and customers
| Measure | Aug 2025 | Aug 2024 | Change |
|---|---|---|---|
| Residential sales | 882.6 GWh | 848.5 GWh | +4.0% |
| Sales, all sectors | 2.7 TWh | 2.6 TWh | +3.5% |
| Residential customers | 889,753 | 870,811 | +2.2% |
| Average residential bill | $119.81 | $117.36 | +2.1% |
| Average residential use, kWh | 992 | 974 | +1.8% |
| US residential price | 17.61¢ | 16.60¢ | +6.1% |
The two years to August 2025
Idaho residentialUS residential
Questions and answers
What was the average electricity price in Idaho in August 2025?
12.08¢ per kilowatthour for residential customers, 8.90¢ for commercial and 8.68¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 12.04¢ in August 2024, a change of +0.3%. Residential sales changed by +4.0% over the same period.
What was the average residential bill that month?
$119.81, on average use of 992 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 Idaho page.