Idaho electricity rates
- Average bill
- $110.36
- All-in price
- 11.83¢
- Average use
- 932.7 kWh
- Customers
- 887,745
EIA-861 Average Bill, residential, 2025, released October 7, 2026. July 2026 residential price in Table 5.6.A was 13.73¢/kWh. July 2025 was 12.28¢/kWh. Table retrieved October 10, 2026. The table does not state a cause for the change.
Bundled and energy utilities
Utilities with a complete 2025 residential row and at least 10,000 customers. Sorted by the all-in cents per kWh of the primary service row. Delivery-only utilities are in the next section and are not mixed into this ranking.
| Utility | Service | ¢/kWh | Bill | Customers |
|---|---|---|---|---|
| City of Idaho Falls - (ID) | Bundled | 9.60¢ | $88.86 | 29,403 |
| Fall River Rural Elec Coop Inc | Bundled | 11.11¢ | $130.11 | 15,952 |
| Idaho Power Co | Bundled | 11.78¢ | $105.89 | 540,032 |
| Avista Corp | Bundled | 11.84¢ | $106.63 | 129,181 |
| Northern Lights, Inc | Bundled | 12.17¢ | $135.76 | 18,172 |
| Kootenai Electric Cooperative | Bundled | 13.44¢ | $150.46 | 31,004 |
| PacifiCorp | Bundled | 13.53¢ | $120.34 | 75,599 |
Lowest in this list: City of Idaho Falls - (ID) at 9.60¢/kWh. Highest: PacifiCorp at 13.53¢/kWh.
Delivery-only utilities
These cents cover delivery charges reported to EIA. In Texas they are the TDU, not the retail plan.
No delivery-only utility in this state meets the data threshold.
EIA state adjustment
Form EIA-861 includes a balancing row for Idaho, utility number 99999. The sales file names that row Adjustment 2025. It is not a company, the ownership field is blank, and the service-territory file lists no counties. The bundled figure on that row is 10.06¢/kWh, $115.88 a month, at 1,152.0 kWh, across 16,110 customers. Read the adjustment row.
Other utilities (7)
These utilities stay linked from this page. Most serve fewer than 10,000 residential customers, or the 2025 file is missing a price, a bill, a usage figure, or enough history.