Electricity in Nampa, Idaho
Idaho Power is the only electric utility that EIA lists in Canyon County, where Nampa is, so it serves Nampa. The average Idaho Power home paid $105.89 a month in 2025 (11.8¢ per kWh). The Idaho average was $110.36.
- 120,384 people (2025 estimate)
- Canyon County
- EIA data, 2025
Electric utilities in Nampa
| Utility | Homes in Idaho | Average bill 2025 | 1,000 kWh now |
|---|---|---|---|
| Idaho PowerInvestor-owned utility · bill calculator | 540,032 | $105.89899 kWh, 11.8¢ | $124.37 |
The average bill is the 2025 average of each utility's homes that bought their power from it (EIA-861); a dash means that its homes buy power from a retail supplier. The 1,000 kWh bill is from the official tariff, before taxes, for the utilities that have a calculator on this site. The Idaho average was $110.36 a month for 933 kWh (11.8¢ per kWh).
Solar power in Nampa
A home solar system on a south-facing roof in Nampa makes about 1,442 kWh a year for each kW of panels (PVWatts, National Laboratory of the Rockies). A 6 kW system makes about 8,650 kWh a year. See what that saves on your utility's rates with the solar savings calculator.
Lower your electric bill in Nampa
- Open your utility above for its average bill, outages and rates, or the bill calculator to check your own bill.
- Help paying your Idaho Power bill: 7 programs, with who qualifies and how to apply.
- Help paying the electric bill in Idaho: bill assistance, payment plans and discounts.
- Why is my electric bill so high? and the appliance cost calculator.
More about Idaho: Idaho electric rates and all Idaho utilities, business electricity rates and natural gas bills. All cities of the county: electricity in Canyon County. Other cities: Boise, Coeur d'Alene, Idaho Falls, Lewiston, Meridian, Moscow, Pocatello, Rexburg, Twin Falls.
Who provides electricity in Nampa, ID?
Idaho Power is the only electric utility that EIA lists in Canyon County, where Nampa is, so it serves Nampa.
What is the average electric bill in Nampa, ID?
The average Idaho Power home paid $105.89 a month in 2025 (11.8¢ per kWh). The Idaho average was $110.36 a month for 933 kWh. Your bill depends on your kWh and your rate plan.
utilityratecalc.com is not part of any utility or city government. Sources: Census Bureau city population estimates, Vintage 2025 (the city and its counties); EIA-861 data, 2025 (utilities by county, homes and average bills).