Idaho electricity prices, March 2026
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In March 2026, residential customers in Idaho paid an average of 13.01¢ per kilowatthour, up 12.4% on the same month a year earlier (11.57¢). The US average for the month was 18.56¢; Idaho was 30% below that. It ranked 50th highest among the 50 states and the District of Columbia.
Residential sales were 781,075 MWh, down 5.7% on a year earlier, and the average residential bill for the month was $112.60 on 866 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 | Mar 2026 | Mar 2025 | Change | US, Mar 2026 |
|---|---|---|---|---|
| Residential | 13.01¢ | 11.57¢ | +12.4% | 18.56¢ |
| Commercial | 9.84¢ | 9.34¢ | +5.4% | 13.92¢ |
| Industrial | 7.16¢ | 7.47¢ | -4.1% | 8.58¢ |
| All sectors | 10.28¢ | 9.70¢ | +6.0% | 14.08¢ |
Sales and customers
| Measure | Mar 2026 | Mar 2025 | Change |
|---|---|---|---|
| Residential sales | 781.1 GWh | 828.2 GWh | -5.7% |
| Sales, all sectors | 1.9 TWh | 2 TWh | -2.4% |
| Residential customers | 902,312 | 881,854 | +2.3% |
| Average residential bill | $112.60 | $108.64 | +3.6% |
| Average residential use, kWh | 866 | 939 | -7.8% |
| US residential price | 18.56¢ | 17.09¢ | +8.6% |
The two years to March 2026
Idaho residentialUS residential
Questions and answers
What was the average electricity price in Idaho in March 2026?
13.01¢ per kilowatthour for residential customers, 9.84¢ for commercial and 7.16¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 11.57¢ in March 2025, a change of +12.4%. Residential sales changed by -5.7% over the same period.
What was the average residential bill that month?
$112.60, on average use of 866 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.