Idaho Electricity Rates (2026)
11.8¢/kWhstate average
27.0% below national averageUtilities in Idaho
Rate Outlook for Idaho
Idaho's average residential electricity rate is currently 11.8 cents/kWh. Under EIA's reference scenario, rates are projected to reach 14.0 cents/kWh by 2031 and 15.9 cents/kWh by 2036, a 34.5% change. Under the high oil price scenario, rates could reach 16.5 cents/kWh.
EIA projections for Idaho vs. actual observed rates
Projected residential electricity rates for Idaho (next 10 years)
| Year | Reference (¢/kWh) | High Price | Low Price |
|---|---|---|---|
| 2026 | 13.1 | 13.2 | 13.0 |
| 2027 | 12.6 | 12.8 | 12.6 |
| 2028 | 12.8 | 12.9 | 12.9 |
| 2029 | 13.1 | 13.2 | 13.2 |
| 2030 | 13.5 | 13.6 | 13.6 |
| 2031 | 14.0 | 14.2 | 14.2 |
| 2032 | 14.4 | 14.7 | 14.5 |
| 2033 | 15.0 | 15.4 | 15.0 |
| 2034 | 15.4 | 15.8 | 15.4 |
| 2035 | 15.7 | 16.2 | 15.6 |
| 2036 | 15.9 | 16.5 | 15.9 |
Data Sources: U.S. Energy Information Administration — Annual Energy Outlook (AEO2010, AEO2015, AEO2020, AEO2025) and Monthly Energy Review.
Methodology: State-level projections are derived by applying national rate trends from EIA's Annual Energy Outlook to Idaho's current observed rate. EIA does not publish state-level projections.
Freshness: This data is checked weekly against EIA's open data APIs. The Monthly Energy Review updates monthly with observed rates. The Annual Energy Outlook publishes new projections annually.