Official EIA-861 State Grid Summary
Idaho Power Outage Risk, Electric Utilities & Generator Sizing
Idaho households average 3.9 hrs/yr (233 minutes/year) of total blackout duration across 1.31 outages/year (Reliability Grade B — Moderate Outage Risk), with an average residential electricity rate of 11.60 ¢/kWh.
Interactive Appliance Load Calculator
⚡ Home Backup Wattage Sizer for Idaho
Check the appliances you need to keep running during a blackout. We calculate your continuous running watts, highest motor starting surge, and 20% NEC safety headroom automatically.
Live Sizing Result (+20% Headroom)
3,000 W
Recommended Minimum Generator / Inverter Rating
1,250 WContinuous Running
2,250 WPeak Motor Surge
Top Cities & Towns in Idaho
Boise→Meridian→Nampa→Caldwell→Idaho Falls→Pocatello→Coeur d'Alene→Twin Falls→Post Falls→Rexburg→Lewiston→Eagle→Kuna→Moscow→Ammon→Star→Hayden→Mountain Home→Chubbuck→Jerome→Blackfoot→Garden→Rathdrum→Burley→Middleton→Sandpoint→Hailey→Emmett→Payette→Fruitland→Rupert→Preston→Weiser→Rigby→Kimberly→Shelley→American Falls→Buhl→McCall→St. Anthony→Gooding→Heyburn→Grangeville→Ketchum→Orofino→Salmon→Soda Springs→Homedale→Iona→Filer→Wendell→Bonners Ferry→Montpelier→Bellevue→Dalton Gardens→St. Maries→Spirit Lake→Victor→Kellogg→Sugar→Driggs→Malad→Parma→Ponderay→Aberdeen→Priest River→Pinehurst→Sun Valley→Shoshone→Wilder→Paul→Osburn→New Plymouth→Glenns Ferry→Lapwai→Marsing→Moyie Springs→Ucon→Kamiah→Dover→Franklin→Plummer→Hansen→Genesee→Kootenai→Cascade→
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Electric Utilities Operating in Idaho (EIA Form 861)
| Utility Name | Ownership | Customers | Outages/Yr | Annual Outage Time | Avg Restoration | Residential Rate |
|---|---|---|---|---|---|---|
| Idaho Power Co (#9191) | Investor-Owned | 525,751 | 1.37x/yr | 206 min (3.4h) | 151 min | 11.76 ¢/kWh |
| Avista Corp (#20169) | Investor-Owned | 128,226 | 1.26x/yr | 225 min (3.8h) | 179 min | 11.62 ¢/kWh |
| PacifiCorp (#14354) | Investor-Owned | 74,170 | 1.59x/yr | 265 min (4.4h) | 166 min | 12.11 ¢/kWh |
| Kootenai Electric Cooperative (#10454) | Cooperative | 30,378 | 1.17x/yr | 187 min (3.1h) | 159 min | 12.21 ¢/kWh |
| City of Idaho Falls - (ID) (#9187) | Municipal | 28,142 | 0.65x/yr | 72 min (1.2h) | 111 min | 9.25 ¢/kWh |
| Northern Lights, Inc (#13758) | Cooperative | 18,511 | 1.00x/yr | 1612 min (26.9h) | 100 min | 11.49 ¢/kWh |
| Fall River Rural Elec Coop Inc (#6169) | Cooperative | 15,433 | 0.08x/yr | 9 min (0.1h) | 109 min | 11.11 ¢/kWh |
| Clearwater Power Company (#3739) | Cooperative | 10,592 | 1.31x/yr | 233 min (3.9h) | 177 min | 11.37 ¢/kWh |
| City of Burley - (ID) (#2545) | Municipal | 5,296 | 1.31x/yr | 233 min (3.9h) | 177 min | 7.76 ¢/kWh |
| United Electric Co-op, Inc - (ID) (#19502) | Cooperative | 5,100 | 0.70x/yr | 50 min (0.8h) | 71 min | 7.89 ¢/kWh |
| Idaho County L&P Coop Assn, Inc (#9186) | Cooperative | 4,541 | 1.31x/yr | 233 min (3.9h) | 177 min | 11.45 ¢/kWh |
| City of Weiser - (ID) (#20297) | Municipal | 3,201 | 1.31x/yr | 233 min (3.9h) | 177 min | 5.72 ¢/kWh |
| City of Rupert - (ID) (#16416) | Municipal | 3,181 | 1.31x/yr | 233 min (3.9h) | 177 min | 5.71 ¢/kWh |
| Lost River Electric Coop Inc (#11211) | Cooperative | 2,967 | 1.31x/yr | 233 min (3.9h) | 177 min | 8.40 ¢/kWh |
| City of Bonners Ferry (#1956) | Municipal | 2,913 | 1.31x/yr | 233 min (3.9h) | 177 min | 10.26 ¢/kWh |
| Salmon River Electric Coop Inc (#16565) | Cooperative | 2,383 | 2.00x/yr | 199 min (3.3h) | 99 min | 9.00 ¢/kWh |
| Inland Power & Light Company (#8699) | Cooperative | 2,115 | 1.20x/yr | 386 min (6.4h) | 321 min | 8.92 ¢/kWh |
| City of Soda Springs - (ID) (#17493) | Municipal | 1,894 | 1.31x/yr | 233 min (3.9h) | 177 min | 9.90 ¢/kWh |
| City of Heyburn - (ID) (#8532) | Municipal | 1,689 | 1.31x/yr | 233 min (3.9h) | 177 min | 6.86 ¢/kWh |
| Lower Valley Energy Inc (#11273) | Cooperative | 1,636 | 1.31x/yr | 233 min (3.9h) | 177 min | 7.23 ¢/kWh |
| Raft Rural Elec Coop Inc (#22814) | Cooperative | 1,391 | 1.31x/yr | 233 min (3.9h) | 177 min | 9.18 ¢/kWh |
| City of Plummer - (ID) (#15297) | Municipal | 1,068 | 1.31x/yr | 233 min (3.9h) | 177 min | 5.61 ¢/kWh |
| South Side Electric, Inc (#17576) | Cooperative | 865 | 1.31x/yr | 233 min (3.9h) | 177 min | 6.71 ¢/kWh |
| East End Mutual Elec Co Ltd (#5584) | Cooperative | 815 | 1.31x/yr | 233 min (3.9h) | 177 min | 8.34 ¢/kWh |
| Riverside Electric Cooperative (#56536) | Cooperative | 623 | 1.31x/yr | 233 min (3.9h) | 177 min | 7.86 ¢/kWh |
| City of Albion - (ID) (#244) | Municipal | 202 | 1.31x/yr | 233 min (3.9h) | 177 min | 8.66 ¢/kWh |
| Farmers Electric Company, Ltd - (ID) (#6155) | Cooperative | 152 | 1.31x/yr | 233 min (3.9h) | 177 min | 7.91 ¢/kWh |
| City of Declo - (ID) (#7084) | Municipal | 139 | 1.31x/yr | 233 min (3.9h) | 177 min | 10.00 ¢/kWh |
| City of Minidoka - (ID) (#12609) | Municipal | 49 | 1.31x/yr | 233 min (3.9h) | 177 min | 9.20 ¢/kWh |
| Missoula Electric Coop, Inc (#12692) | Cooperative | 46 | 3.59x/yr | 1606 min (26.8h) | 447 min | 10.00 ¢/kWh |
| Vigilante Electric Coop, Inc (#23586) | Cooperative | 30 | 1.31x/yr | 233 min (3.9h) | 177 min | 14.19 ¢/kWh |