Electric companies in Maine
9 electric utilities serve Maine, according to US EIA-861 service-territory filings and live outage feeds. The largest by customers is Central Maine Power Co, with about 664,975 customers in Maine (US EIA-861, 2025). About 10% of the customers on file (82,387) buy their electricity from a separate retail supplier; the utility listed here still delivers it and restores outages.
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 Maine
Largest first, by customers on its lines in Maine (US EIA-861, 2025). “Live” is whether MassOutage can see its outages.
| Utility | Type | Customers | Counties | Live | Report an outage |
|---|---|---|---|---|---|
| Central Maine Power Co | Investor Owned | 664,975 | 14 | Live · county | - |
| Versant Power | Investor Owned | 165,411 | 6 | Live · county | - |
| Eastern Maine Electric Coop | Cooperative | 13,231 | 3 | Live · county | - |
| Kennebunk Light & Power Dist | - | 7,597 | 1 | No live feed | - |
| Houlton Water Company | - | 5,498 | 1 | No live feed | - |
| Town of Madison - (ME) | - | 2,693 | 1 | No live feed | - |
| Fox Islands Electric Coop, Inc | - | 2,151 | 1 | No live feed | - |
| Van Buren Light & Power Dist | - | 1,369 | 1 | No live feed | - |
| Matinicus Plantation Elec Co | - | 132 | 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.
Electric companies in Maine: FAQ
- How many electric companies serve Maine?
- 9 electric utilities serve Maine, according to US EIA-861 service-territory filings and live outage feeds.
- What is the largest electric company in Maine?
- Central Maine Power Co, with about 664,975 customers in Maine (US EIA-861, 2025).
- Which electric company serves my address in Maine?
- Your electric bill names it. Service territory is filed by county, so MassOutage lists the utilities serving each Maine 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 Maine?
- Your electric utility. MassOutage has an outage phone line, report page or outage map on file for 0 of the 9 utilities serving Maine, 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.