CalcuRiver
Find your EV
EV CostsSolar CostsElectricity CostsHome EnergyVehicle OwnershipUtility Rate PlansMethodology
Home › Electricity › Idaho

Idaho Electricity Cost & Rates

The July 2026 EIA residential average is 13.73¢/kWh. Compare typical household costs, supported utility rate plans and calculator estimates for Idaho.

13.73¢/kWh+11.8% year over year

Equivalent to $0.1373 per kWh · July 2026 residential average

July 202512.28¢
vs. U.S. average-25.0%
U.S. high-price rank#46
Calculate a Idaho electricity billBrowse utility rate plans

What this rate means in everyday costs

Examples below use fixed usage assumptions so states can be compared consistently.

$137.301,000 kWh household electricity example
$43.151,000 EV miles at 3.5 mi/kWh + 10% charging loss
$24.711.5 kW appliance, 4 h/day for 30 days
$1,373.00Value of 10,000 kWh/year of offset electricity

Use Idaho in a calculator

▰

EV charging calculator

Starts from 13.73¢/kWh.

⚡

Electricity bill calculator

Estimate usage cost from kWh.

⌁

Appliance cost calculator

Convert wattage and runtime to dollars.

☀

Solar savings calculator

Value estimated solar output at the state rate.

Source and update date

U.S. Energy Information Administration, Electric Power Monthly Table 5.6.A, Form EIA-861M. Data period: July 2026. Release date: September 24, 2026. Status: preliminary.

Open the EIA source table →

Related Idaho page

See a concrete application of this rate in the Tesla Model Y charging-cost page.

Tesla Model Y charging cost in Idaho →

Utility coverage in Idaho

1 tracked provider profile; 1 calculator-ready.

All utilities →

Idaho Power

Idaho Power residential service territory in Idaho

Residential rate profile

Idaho Power Schedule 5 is an optional residential TOU plan with a three-period summer schedule and two-period non-summer schedule.

Calculator-readyView utility →
usage calculator

How much does electricity cost in Idaho at 500–2,000 kWh?

Monthly at 13.73¢/kWh$137.30
Annual at same usage$1,647.60
U.S. average comparison$183.10
Monthly difference vs U.S.−$45.80
$68.65500 kWh / month
$137.301,000 kWh / month
$205.951,500 kWh / month
$274.602,000 kWh / month

Open the full electricity bill calculator →

This is a state-average energy-cost benchmark, not a utility tariff or complete bill. Utility rate plans, fixed charges, taxes, riders and time-of-use schedules can change the actual amount.

Rate source: EIA Electric Power Monthly Table 5.6.A · data period 2026-07 · released 2026-09-24 · preliminary.

Continue this cost analysis

Use the same state electricity context across transportation, solar and storage decisions.

EV charging in IdahoTranslate the same electricity market into vehicle charging cost.Idaho solar savingsEstimate how local solar production and electricity prices affect savings.Idaho home battery economicsEstimate storage value, self-consumption and payback in the same state.