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Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-861, OpenEI URDB · How we got these numbers · Report an error

Idaho Power Co bill decoder

$120.56a month at 1,000 kWh on Idaho Power's Schedule 5 - Residential Time-of-Day tariff

Idaho Power sells under this tariff at 12.06¢ per kWh all-in, +0.23¢ against the Idaho average of 11.83¢. The $15.00 fixed charge is 12% of the bill.

Idaho Power at 1,000 kWh, line by line

Sample bill for Idaho Power Co at 1,000 kWhIdaho Power Co, Schedule 5 - Residential Time-of-Day: $125.64 for 1,000 kWh in September, the most expensive month of 12; customer charge $15.00, energy $110.64.Idaho Power CoSchedule 5 - Residential Time-of-Day1,000 kWh, September, the most expensive month of 12Customer charge$15.0012% of kWh at 26.352¢$31.3712% of kWh at 13.689¢$16.3029% of kWh at 9.780¢$27.9448% of kWh at 7.357¢$35.03Tariff total$125.64Customer charge 12% of the bill12.56¢ per kWh all-in

Idaho Power bills $15.00 a month, 12% of the $120.56 total at 1,000 kWh. Idaho Power charges 14.157¢ in the higher-rate hours (about 18% of hours) and 9.780¢ in the lower-rate hours, 1.4 to 1.

Idaho Power: what the tariff charges

Idaho Power tariff lines
LineChargedAmount
Customer chargeFixed, once a month$15.00
Energy, Oct to May, higher-rate hours18% of the hours in these months14.157¢ per kWh
Energy, Oct to May, lower-rate hours82% of the hours in these months9.780¢ per kWh
Energy, Jun to Aug, highest-rate hours12% of the hours in these months26.352¢ per kWh
Energy, Jun to Aug, middle-rate hours12% of the hours in these months13.689¢ per kWh
Energy, Jun to Aug, lowest-rate hours76% of the hours in these months7.357¢ per kWh
Energy, Sep, rate period 112% of the hours in these months26.352¢ per kWh
Energy, Sep, rate period 212% of the hours in these months13.689¢ per kWh
Energy, Sep, rate period 329% of the hours in these months9.780¢ per kWh
Energy, Sep, rate period 448% of the hours in these months7.357¢ per kWh

Idaho Power at 500, 1,000 and 2,000 kWh

Idaho Power: $120.56 for 1,000 kWh
kWhTotal¢/kWhFixedEnergyID avg
500$67.7813.56$15.00$52.78$59.15
916 (average home)$111.6912.19$15.00$96.69$108.36
1,000$120.5612.06$15.00$105.56$118.30
2,000$226.1211.31$15.00$211.12$236.60

Idaho Power by month at 1,000 kWh

Idaho Power: low $118.72, high $125.64
MonthTotal¢/kWh
January$120.6112.06
February$120.6112.06
March$120.6112.06
April$120.6112.06
May$120.6112.06
June$118.7211.87
July$118.7211.87
August$118.7211.87
September$125.6412.56
October$120.6112.06
November$120.6112.06
December$120.6112.06

How the Idaho Power total climbs

$41.39 at 250 kWh becomes $331.68 at 3,000 kWh, 8.0 times the bill for 12 times the power.

Idaho Power total in dollars, by kWh

  1. 41250
  2. 68500
  3. 94750
  4. 1211,000
  5. 1731,500
  6. 2262,000
  7. 3323,000

Check your Idaho Power bill

Idaho Power: tariff against EIA

EIA-861 puts the 2024 home price at 11.76¢ for Idaho Power, across 525,751 home accounts using 916 kWh a month. The tariff gives 12.19¢ ($111.66). The -0.43¢ gap, about -$3.98 a month, is riders, other plans and rate changes.

Other Idaho Power residential plans

2 more Idaho Power plans fit the model; the decoder prices each.

Idaho Power: 2 other plans
PlanSinceType1,000 kWhFixed
Schedule 1 - Residential Service2025-02-01tiered$177.01$15.00
Schedule 3 - Master-Metered Mobile Home2025-02-01flat$190.58$15.00

Idaho Power: sources and limits

Idaho Power: taxes, riders and adjustments sit outside these rates.

Keep going

Questions

How much does Idaho Power bill at zero kWh?

The fixed part alone: $15.00 a month. It is 22% of the $67.78 that 500 kWh costs.

How much is 1,000 kWh at Idaho Power?

$120.56: $15.00 fixed plus $105.56 energy, 12.06¢ per kWh. Taxes and riders come on top.

What makes a Idaho Power bill run higher than the tariff?

At 916 kWh the tariff gives 12.19¢ against 11.76¢ in EIA's 2024 average, -0.43¢ apart. Riders, fees and other plans sit in that gap.

When is power cheapest at Idaho Power?

Rates are 14.157¢, 9.780¢ by hour. A home that runs more in dear hours pays above the $120.56 shown for 1,000 kWh.

Is the Idaho Power tariff on this page current?

It dates from 2025-02-01, 14 months before the April 2026 snapshot. Idaho Power may have filed newer rates since.

How much power does a typical Idaho Power home use?

EIA-861 shows 916 kWh a month for 2024. The tariff prices that at $111.66.

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$120.56 a month at 1,000 kWh on Idaho Power's Schedule 5 - Residential Time-of-Day tariff