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Idaho Power Co
Idaho Power Co served 540,032 residential customers in Idaho in 2025 (60.8% of the state's residential customers), the 1st largest of 13 utilities reporting there. Bundled service; ownership: investor owned; balancing authority IPCO.
The meter, one average month.
Scroll to run 30 days of Idaho Power Co's average residential use through a five-dial register.
- Used so far
- 899 kWh
- At 11.78¢/kWh
- $106
Price ruler0 to 50¢ per kWh
Where 11.78¢ sits.
Idaho Power Co averaged 11.78¢ per kWh against a Idaho residential average of 11.82¢: 0.4% below the state figure. Among the 3 investor owned utilities in Idaho with bundled residential sales, it ranks 1st from the lowest price.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average Idaho Power Co home used 935 kWh a month at 10.08¢ and paid $94.18. In 2025 it used 899 kWh at 11.78¢ and paid $106: the price per kWh is up 16.9%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 10.08 | 11.78 |
| Use, kWh a month | 935 | 899 |
| Bill, US$ a month | 94.18 | 105.89 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 540,032 | 5,826,205 | 11.78 |
| Commercial | 76,641 | 4,231,446 | 9.09 |
| Industrial | 20,276 | 5,446,718 | 7.98 |
Who else is on the line
Homes are one class.
Homes took 37.6% of the electricity Idaho Power Co sold in Idaho in 2025.
Rooftop solar on its linesnet metering
18,684 roofs.
- Residential net-metered PV
- 18,684installations reported for 2025
- Capacity
- 148.7 MWresidential, net metered
- Per 1,000 homes
- 34.6installations per 1,000 residential customers
Service territoryEIA-861
24 counties.
AdaAdamsBannockBinghamBlaineBoiseCamasCanyonCassiaElmoreGemGoodingIdahoJeromeLemhiLincolnMinidokaOneidaOwyheePayettePowerTwin FallsValleyWashington
Counties in Idaho where Idaho Power Co reported serving customers in 2025 (24 in all; up to 24 listed).
EIA-8612025Utility 9191
The filing, line by line.
| Measure | Value | Unit |
|---|---|---|
| Average price | 11.78 | ¢/kWh |
| Idaho average price | 11.82 | ¢/kWh |
| Difference from state average | -0.4 | % |
| Price change over 5 years | 16.9 | % |
| Typical monthly use | 899 | kWh |
| Typical monthly bill | 105.89 | US$ |
| Residential customers | 540,032 | accounts |
| Share of ID residential customers | 60.8 | % |
| Size rank in ID | 1 of 13 | by customers |
| Price rank, investor owned peers | 1 of 3 | 1 = lowest |
Rate plans on fileOpenEI URDB
3 active plans.
- Time-of-use
- 1more than one energy period within a month
- Seasonal only
- 1price changes by month, not by hour
- Median fixed charge
- $15US dollars per month
- Median flat energy rate
- 10.73¢cents per kWh, one period and one tier
Active residential plans: not ended, started within the last 5 years, latest version of each plan name. Time-of-use means more than one energy period within a single month; plans whose price changes only by season are counted as seasonal.