Idaho 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 Idaho paid an average of 11.88¢ per kilowatthour, up 3.5% on the same month a year earlier (11.48¢). The US average for the month was 17.37¢; Idaho was 32% below that. It ranked 51st highest among the 50 states and the District of Columbia.
Residential sales were 659,415 MWh, up 2.6% on a year earlier, and the average residential bill for the month was $88.58 on 746 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 | 11.88¢ | 11.48¢ | +3.5% | 17.37¢ |
| Commercial | 9.72¢ | 9.16¢ | +6.1% | 12.93¢ |
| Industrial | 7.73¢ | 7.08¢ | +9.2% | 8.29¢ |
| All sectors | 9.46¢ | 9.00¢ | +5.1% | 13.13¢ |
Sales and customers
| Measure | May 2025 | May 2024 | Change |
|---|---|---|---|
| Residential sales | 659.4 GWh | 642.7 GWh | +2.6% |
| Sales, all sectors | 2.2 TWh | 2.1 TWh | +7.4% |
| Residential customers | 884,383 | 865,560 | +2.2% |
| Average residential bill | $88.58 | $85.23 | +3.9% |
| Average residential use, kWh | 746 | 743 | +0.4% |
| US residential price | 17.37¢ | 16.40¢ | +5.9% |
The two years to May 2025
Idaho residentialUS residential
Questions and answers
What was the average electricity price in Idaho in May 2025?
11.88¢ per kilowatthour for residential customers, 9.72¢ for commercial and 7.73¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 11.48¢ in May 2024, a change of +3.5%. Residential sales changed by +2.6% over the same period.
What was the average residential bill that month?
$88.58, on average use of 746 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.