Commercial electricity rates in Idaho
What businesses in Idaho actually paid per kilowatt-hour, from EIA's monthly utility filings. Updated monthly.
The last 36 months
Range over the period shown: 8.08¢ to 10.23¢ per kWh. Each point is a monthly state average, not an offered rate.
Idaho by the numbers
How commercial compares with other sectors
| Sector | Price per kWh |
|---|---|
| Commercial | 10.21¢ |
| Residential | 13.37¢ |
| Industrial | 9.71¢ |
All figures are August 2026 averages for Idaho.
Commercial customers in Idaho pay 24% less per kWh than households there. Nationally the commercial price sits 20% below residential, so the gap here is wider than usual.
What this costs a typical account
The average commercial account in Idaho used 5,507 kWh in August 2026. At 10.21¢ per kWh that is about $562 for the month — computed from EIA totals, so it is the average account, mixing a large facility with a corner shop.
How the price has moved
Over the 36 months to August 2026, Idaho's commercial price rose 13.6%, from 8.99¢ in September 2023 to 10.21¢. The high point was 10.23¢ in May 2025 and the low 8.08¢ in June 2025 — a spread of 27% between the cheapest and dearest month, which is unusually volatile for a state-level average.
Across the same period the dearest month on average was July (9.84¢) and the cheapest December (8.70¢), a seasonal swing of 13%.
Idaho against its region
Idaho is in EIA's Mountain division, where the commercial average was 12.14¢ in August 2026. Idaho is 16% below that, and 2 of 8 on price within the region.
Others in the region: Nevada, Wyoming, Utah, New Mexico, Arizona, Montana, Colorado.
States priced near Idaho
| State | ¢/kWh | Rank |
|---|---|---|
| Nevada | 9.80¢ | 3 |
| Nebraska | 10.00¢ | 4 |
| Wyoming | 10.27¢ | 6 |
| Utah | 10.39¢ | 7 |
Source
EIA Electric Power Monthly, retrieved 2026-11-02 · methodology · all 51 states