Idaho Power Co bill decoder
Idaho Power sells under this tariff at 17.70¢ per kWh all-in, +5.88¢ against the Idaho average of 11.82¢. The $15.00 fixed charge is 8% of the bill.
Idaho Power at 1,000 kWh, line by line
Idaho Power bills $15.00 a month, 8% of the $177.01 total at 1,000 kWh. Idaho Power tiers its energy: the first 800 kWh cost 15.535¢, then 17.513¢ above 2,000 kWh (+13%), so 0 of 1,000 kWh pay the top rate.
Idaho Power: what the tariff charges
| Line | Charged | Amount |
|---|---|---|
| Customer charge | Fixed, once a month | $15.00 |
| Energy, Oct to May, tier 1 | First 800 kWh | 15.535¢ per kWh |
| Energy, Oct to May, tier 2 | 800 to 2,000 kWh | 16.453¢ per kWh |
| Energy, Oct to May, tier 3 | Over 2,000 kWh | 17.513¢ per kWh |
| Energy, Jun to Sep, tier 1 | First 800 kWh | 16.755¢ per kWh |
| Energy, Jun to Sep, tier 2 | 800 to 2,000 kWh | 18.815¢ per kWh |
| Energy, Jun to Sep, tier 3 | Over 2,000 kWh | 21.114¢ per kWh |
Idaho Power at 500, 1,000 and 2,000 kWh
| kWh | Total | ¢/kWh | Fixed | Energy | ID avg |
|---|---|---|---|---|---|
| 500 | $94.71 | 18.94 | $15.00 | $79.71 | $59.10 |
| 916 (average home) | $162.53 | 17.74 | $15.00 | $147.53 | $108.27 |
| 1,000 | $177.01 | 17.70 | $15.00 | $162.01 | $118.20 |
| 2,000 | $349.41 | 17.47 | $15.00 | $334.41 | $236.40 |
How the Idaho Power total climbs
$54.85 at 250 kWh becomes $536.55 at 3,000 kWh, 9.8 times the bill for 12 times the power.
Idaho Power total in dollars, by kWh
- 55250
- 95500
- 135750
- 1771,000
- 2631,500
- 3492,000
- 5373,000
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 17.74¢ ($162.48). The -5.98¢ gap, about -$54.80 a month, is riders, other plans and rate changes.
Other Idaho Power residential plans
3 more Idaho Power plans fit the model; the decoder prices each.
| Plan | Since | Type | 1,000 kWh | Fixed |
|---|---|---|---|---|
| Schedule 5 - Residential Time-of-Day | 2025-02-01 | time of use | $120.56 | $15.00 |
| Schedule 5 - Residential Time-of-Day | 2025-02-01 | time of use | $176.09 | $15.00 |
| Schedule 3 - Master-Metered Mobile Home | 2025-02-01 | flat | $190.58 | $15.00 |
Idaho Power: sources and limits
- Tariff: Schedule 1 - Residential Service, effective 2025-02-01, record 6850a2359670d5240a0049af, updated 2025-06-16; decode_tariffs.csv.
- Tariff sheet cited by the record: https://docs.idahopower.com/pdfs/aboutus/ratesregulatory/tariffs/156.pdf.
- Data: OpenEI URDB, EIA-861, EIA state data.
Idaho Power: taxes, riders and adjustments sit outside these rates.
Keep going
- All bill decoders
- Bill terms
- Idaho Power profile
- Idaho prices
- Time-of-use plans
Questions
How much does Idaho Power bill at zero kWh?
The fixed part alone: $15.00 a month. It is 16% of the $94.71 that 500 kWh costs.
How much is 1,000 kWh at Idaho Power?
$177.01: $15.00 fixed plus $162.01 energy, 17.70¢ 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 17.74¢ against 11.76¢ in EIA's 2024 average, -5.98¢ apart. Riders, fees and other plans sit in that gap.
What does the last kWh cost at Idaho Power?
Going from 1,000 to 2,000 kWh adds $172.40, or 17.24¢ per extra kWh, against 16.46¢ for 500 to 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 $162.48.