Electric companies in Idaho
33 electric utilities serve Idaho, according to US EIA-861 service-territory filings and live outage feeds. The largest by customers is Idaho Power Co, with about 636,949 customers in Idaho (US EIA-861, 2025).
Territory is filed by county, so a county can list several utilities; usually only one serves a given address, and your electric bill names it.
Find yours by ZIP code
Every electric utility in Idaho
Largest first, by customers on its lines in Idaho (US EIA-861, 2025). “Live” is whether MassOutage can see its outages.
| Utility | Type | Customers | Counties | Live | Report an outage |
|---|---|---|---|---|---|
| Idaho Power Co | Investor Owned | 636,949 | 24 | Live · county | - |
| Avista Corp | Investor Owned | 149,098 | 9 | Live · county | Outage map ↗ |
| PacifiCorp | Investor Owned | 92,536 | 14 | Live · county | - |
| City of Idaho Falls - (ID) | Municipal | 34,150 | 1 | Live · county | - |
| Kootenai Electric Cooperative | Cooperative | 33,826 | 3 | No live feed | - |
| Northern Lights, Inc | Cooperative | 19,250 | 3 | Live · county | - |
| Fall River Rural Elec Coop Inc | Cooperative | 18,798 | 5 | Live · county | - |
| Clearwater Power Company | Cooperative | 10,730 | 7 | Live · county | - |
| United Electric Co-op, Inc - (ID) | Cooperative | 7,692 | 2 | No live feed | - |
| City of Burley - (ID) | - | 5,337 | 2 | No live feed | - |
| Idaho County L&P Coop Assn, Inc | - | 4,612 | 2 | Live · county | - |
| City of Weiser - (ID) | - | 3,425 | 1 | No live feed | - |
| City of Rupert - (ID) | - | 3,233 | 1 | No live feed | - |
| Lost River Electric Coop Inc | - | 3,144 | 3 | No live feed | - |
| Salmon River Electric Coop Inc | Cooperative | 3,038 | 3 | No live feed | - |
| City of Bonners Ferry (ID) | - | 2,933 | 1 | No live feed | - |
| Raft Rural Elec Coop Inc | - | 2,771 | 4 | Live · county | - |
| Inland Power & Light Company | Cooperative | 2,335 | 3 | Live · county | - |
| Lower Valley Energy Inc | - | 2,068 | 2 | Live · county | - |
| City of Soda Springs - (ID) | - | 1,886 | 1 | No live feed | - |
| City of Heyburn - (ID) | - | 1,719 | 1 | No live feed | - |
| City of Plummer - (ID) | - | 1,031 | 1 | No live feed | - |
| South Side Electric, Inc | - | 868 | 1 | No live feed | - |
| East End Mutual Elec Co Ltd | - | 820 | 2 | No live feed | - |
| Riverside Electric Cooperative | - | 630 | 1 | No live feed | - |
| City of Albion - (ID) | - | 207 | 1 | No live feed | - |
| Farmers Electric Company, Ltd - (ID) | - | 154 | 1 | No live feed | - |
| City of Declo - (ID) | - | 139 | 1 | No live feed | - |
| Missoula Electric Coop, Inc | Cooperative | 70 | 1 | Live · county | - |
| Vigilante Electric Coop, Inc | - | 25 | 1 | Live · county | - |
| Bonneville Power Administration | - | - | 16 | No live feed | - |
| Avista Corp,avista | - | - | 8 | No live feed | - |
| City of Minidoka - (ID) | - | - | 1 | No live feed | - |
Electric utilities by county
Each county's utilities, largest in the state first. The county name opens its live outage page.
- Benewah County
- Avista Corp, Kootenai Electric Cooperative, Clearwater Power Company, Inland Power & Light Company, City of Plummer - (ID), Avista Corp,avista
- Bonner County
- Avista Corp, Kootenai Electric Cooperative, Northern Lights, Inc, Inland Power & Light Company, Bonneville Power Administration, Avista Corp,avista
- Cassia County
- Idaho Power Co, United Electric Co-op, Inc - (ID), City of Burley - (ID), Raft Rural Elec Coop Inc, South Side Electric, Inc, East End Mutual Elec Co Ltd, City of Albion - (ID), City of Declo - (ID)
- Clearwater County
- Avista Corp, Clearwater Power Company, Bonneville Power Administration, Avista Corp,avista
- Custer County
- Lost River Electric Coop Inc, Salmon River Electric Coop Inc, Bonneville Power Administration
- Idaho County
- Idaho Power Co, Avista Corp, Clearwater Power Company, Idaho County L&P Coop Assn, Inc, Missoula Electric Coop, Inc, Avista Corp,avista
- Kootenai County
- Avista Corp, Kootenai Electric Cooperative, Northern Lights, Inc, Inland Power & Light Company, Bonneville Power Administration, Avista Corp,avista
- Latah County
- Avista Corp, Clearwater Power Company, Bonneville Power Administration, Avista Corp,avista
- Minidoka County
- Idaho Power Co, United Electric Co-op, Inc - (ID), City of Burley - (ID), City of Rupert - (ID), City of Heyburn - (ID), East End Mutual Elec Co Ltd, Riverside Electric Cooperative, Farmers Electric Company, Ltd - (ID), City of Minidoka - (ID)
- Nez Perce County
- Avista Corp, Clearwater Power Company, Bonneville Power Administration, Avista Corp,avista
Electric companies in Idaho: FAQ
- How many electric companies serve Idaho?
- 33 electric utilities serve Idaho, according to US EIA-861 service-territory filings and live outage feeds.
- What is the largest electric company in Idaho?
- Idaho Power Co, with about 636,949 customers in Idaho (US EIA-861, 2025).
- Which electric company serves my address in Idaho?
- Your electric bill names it. Service territory is filed by county, so MassOutage lists the utilities serving each Idaho county; usually only one of them serves a given address, and a utility can tell you whether it serves yours.
- Who do I call to report a power outage in Idaho?
- Your electric utility. MassOutage has an outage phone line, report page or outage map on file for 1 of the 33 utilities serving Idaho, listed above; for the others, check your bill or the utility's website. For a downed power line, stay at least 35 feet away and call 911.
Data from EIA Form 861 (utility reliability), every source we read. Service territory and customer counts are each utility's own EIA-861 filing; a utility a live outage feed has reported in a county is listed there too.