Idaho electric bills: $137/month (August 2026)
Idaho households paid an average of $137 a month for electricity in August 2026, based on U.S. Energy Information Administration data. That is 14.2% higher than August 2025, and it ranks Idaho 6th of 51 from the lowest average bill.
How much is the average electric bill in Idaho?
Idaho's price, 13.37¢/kWh in August 2026, was one of the lowest rates in the country. The typical home used 1,026 kWh, below the U.S. average of 1,152 kWh, for an average bill of $137. See how your own bill compares below.
How have Idaho electricity prices changed?
The price rose from 10.40¢/kWh in September 2021 to 13.37¢/kWh in August 2026, 28.6% higher. The five-year low was 9.71¢/kWh in February 2022; the high was 14.37¢/kWh in June 2026.
Show the numbers
| Month | Value |
|---|---|
| Sep 2025 | 12.50¢/kWh |
| Oct 2025 | 12.46¢/kWh |
| Nov 2025 | 12.25¢/kWh |
| Dec 2025 | 11.88¢/kWh |
| Jan 2026 | 12.06¢/kWh |
| Feb 2026 | 12.63¢/kWh |
| Mar 2026 | 13.00¢/kWh |
| Apr 2026 | 12.70¢/kWh |
| May 2026 | 12.35¢/kWh |
| Jun 2026 | 14.37¢/kWh |
| Jul 2026 | 13.73¢/kWh |
| Aug 2026 | 13.37¢/kWh |
Source: EIA, residential electricity data, Sep 2025–Aug 2026
Show the numbers
| Month | Value |
|---|---|
| Sep 2021 | 10.40¢/kWh |
| Oct 2021 | 10.58¢/kWh |
| Nov 2021 | 10.19¢/kWh |
| Dec 2021 | 10.31¢/kWh |
| Jan 2022 | 9.85¢/kWh |
| Feb 2022 | 9.71¢/kWh |
| Mar 2022 | 10.02¢/kWh |
| Apr 2022 | 9.82¢/kWh |
| May 2022 | 10.25¢/kWh |
| Jun 2022 | 11.32¢/kWh |
| Jul 2022 | 11.18¢/kWh |
| Aug 2022 | 10.73¢/kWh |
| Sep 2022 | 10.47¢/kWh |
| Oct 2022 | 11.19¢/kWh |
| Nov 2022 | 9.98¢/kWh |
| Dec 2022 | 10.47¢/kWh |
| Jan 2023 | 10.51¢/kWh |
| Feb 2023 | 10.19¢/kWh |
| Mar 2023 | 10.03¢/kWh |
| Apr 2023 | 10.18¢/kWh |
| May 2023 | 10.72¢/kWh |
| Jun 2023 | 11.71¢/kWh |
| Jul 2023 | 11.76¢/kWh |
| Aug 2023 | 11.56¢/kWh |
| Sep 2023 | 11.53¢/kWh |
| Oct 2023 | 12.07¢/kWh |
| Nov 2023 | 11.48¢/kWh |
| Dec 2023 | 11.53¢/kWh |
| Jan 2024 | 10.71¢/kWh |
| Feb 2024 | 11.18¢/kWh |
| Mar 2024 | 10.99¢/kWh |
| Apr 2024 | 11.37¢/kWh |
| May 2024 | 11.48¢/kWh |
| Jun 2024 | 12.20¢/kWh |
| Jul 2024 | 12.17¢/kWh |
| Aug 2024 | 12.04¢/kWh |
| Sep 2024 | 12.36¢/kWh |
| Oct 2024 | 12.20¢/kWh |
| Nov 2024 | 11.28¢/kWh |
| Dec 2024 | 10.95¢/kWh |
| Jan 2025 | 10.83¢/kWh |
| Feb 2025 | 10.96¢/kWh |
| Mar 2025 | 11.58¢/kWh |
| Apr 2025 | 11.90¢/kWh |
| May 2025 | 11.89¢/kWh |
| Jun 2025 | 12.12¢/kWh |
| Jul 2025 | 12.28¢/kWh |
| Aug 2025 | 12.08¢/kWh |
| Sep 2025 | 12.50¢/kWh |
| Oct 2025 | 12.46¢/kWh |
| Nov 2025 | 12.25¢/kWh |
| Dec 2025 | 11.88¢/kWh |
| Jan 2026 | 12.06¢/kWh |
| Feb 2026 | 12.63¢/kWh |
| Mar 2026 | 13.00¢/kWh |
| Apr 2026 | 12.70¢/kWh |
| May 2026 | 12.35¢/kWh |
| Jun 2026 | 14.37¢/kWh |
| Jul 2026 | 13.73¢/kWh |
| Aug 2026 | 13.37¢/kWh |
Source: EIA, residential electricity data, Sep 2021–Aug 2026
How does Idaho compare with other states?
Idaho's bill was 34.4% lower than the U.S. average of $209 in August 2026, placing it 6th of 51. Idaho's bill was lower than two of its six neighbors and higher than four: Washington averaged $120, Wyoming $118 and Nevada $207.
| Rank | State | Avg. bill | ¢/kWh | kWh/month |
|---|---|---|---|---|
| 1 | Wyoming | $118 | 14.43 | 821 |
| 2 | Washington | $120 | 14.63 | 819 |
| 3 | Montana | $122 | 15.57 | 784 |
| 4 | North Dakota | $130 | 13.31 | 979 |
| 5 | Oregon | $135 | 15.92 | 847 |
| 6 | Idaho | $137 | 13.37 | 1,026 |
| 7 | Alaska | $139 | 29.41 | 473 |
| 8 | Vermont | $142 | 23.84 | 596 |
| 9 | Minnesota | $145 | 17.20 | 844 |
| … | ||||
| 47 | Oklahoma | $251 | 14.82 | 1,696 |
| 48 | Alabama | $254 | 16.33 | 1,555 |
| 49 | Texas | $266 | 15.91 | 1,670 |
| 50 | Arizona | $269 | 15.05 | 1,789 |
| 51 | Hawaii | $269 | 47.18 | 570 |
1 = lowest average monthly bill. 50 states and DC.
| State | Avg. bill | ¢/kWh | vs. Idaho |
|---|---|---|---|
| Idaho | $137 | 13.37 | — |
| Montana | $122 | 15.57 | -10.9% |
| Nevada | $207 | 12.72 | +51.1% |
| Oregon | $135 | 15.92 | -1.5% |
| Utah | $164 | 13.31 | +19.7% |
| Washington | $120 | 14.63 | -12.4% |
| Wyoming | $118 | 14.43 | -13.9% |
What is behind Idaho's electric bills?
- Bill versus price: The bill was 14.2% higher than August 2025 and the price per kWh 10.7% higher, so homes used more electricity than a year earlier.
- Summer peak, fall low: $153 in July 2026 against $92 in October 2025.
- Annual total: $1,389.
Frequently asked questions
How much is the average electric bill in Idaho?
The average residential electric bill in Idaho was $137 a month in August 2026, based on EIA data. That assumes the state's average use of 1,026 kWh at 13.37¢/kWh. Because use changes with the seasons, the average over the 12 months to August 2026 is a steadier guide: $116 a month.
How much does electricity cost in Idaho?
Residential customers in Idaho paid an average of 13.37¢/kWh in August 2026, 10.7% higher than a year earlier.
Is electricity in Idaho more expensive than the U.S. average?
In August 2026 the average Idaho electric bill was $137, 34.4% lower than the U.S. average of $209. Idaho ranked 6th of 51 from the lowest average bill (the 50 states and the District of Columbia).
How much electricity does a typical Idaho home use?
A typical residential customer in Idaho used 1,026 kWh in August 2026, calculated as total residential sales divided by the number of residential customers reported to EIA.
How much does an Idaho household spend on electricity in a year?
Adding up the last 12 monthly average bills gives about $1,389 a year for a typical Idaho household (12 months to August 2026). The highest month was July 2026 at $153; the lowest was October 2025 at $92.
Methodology, sources and updates
The average bill is the EIA average residential price multiplied by average monthly use per residential customer. EIA's price is residential revenue divided by kWh sold, so the fixed customer charges utilities bill are already spread across every kWh; your own fixed charge, rate plan and taxes can differ. Read the full methodology.
- U.S. Energy Information Administration (EIA), Electricity retail sales to ultimate customers, residential sector (Forms EIA-861M, EIA-861), data period August 2026
- EIA Open Data API v2, electricity/retail-sales, data period August 2026
- — Updated with EIA data for August 2026.
- — Updated with EIA residential retail sales data for July 2026.
General information based on public data, not financial advice. Your own bill depends on your utility, rate plan, fixed charge, use and any taxes added to it. Spotted an error? Tell us and we will correct it publicly.