States › Maine › Cumberland County
Electric utilities serving Cumberland County, Maine
Utilities that list the county in their Form EIA-861 service territory for 2024, with each one's average price, bill and outage minutes.
Cumberland County, Maine, appears in the Form EIA-861 service territory of 1 utility for 2024: Central Maine Power Co.
Its average residential price was 23.43¢ per kilowatthour, against a Maine average of 24.29¢ and a US average of 16.48¢. Each price is the utility's figure for all of its Maine customers, not for this county alone.
The median SAIDI they reported was 1,893.5 minutes per customer including major event days; the median among all Maine utilities reporting was 1,206.0.
The Census Bureau estimates the county's population at 317,222. EIA does not publish customers by county, so which utility serves a given address has to be confirmed with the utility or the state utility commission.
Average price is revenue divided by sales for the sector and year; it is not a tariff rate. Reliability figures are as reported by utilities to EIA on Form 861 and may use different calculation methods. Figures are for each utility's whole Maine operation; EIA publishes nothing at county level.
Utilities and their 2024 figures
| Utility | Ownership | Residential customers | ¢ per kWh | Monthly bill | SAIDI, all events | SAIDI, no major events |
|---|---|---|---|---|---|---|
| Central Maine Power Co | Investor-owned | 577,955 | 23.43¢ | $130.57 | 1,893.5 | 215.4 |
Ordered by residential customers in Maine. Short-form filers are small utilities that report only totals to EIA, so no residential price is available. A utility with no customers shown reported its retail sales elsewhere or delivers power that other companies bill for.
Against the state and the country
| Measure, 2024 | Utilities listing Cumberland County | Maine | United States |
|---|---|---|---|
| Average residential price per kWh | 23.43¢ median | 24.29¢ | 16.48¢ |
| Average monthly residential bill | $130.57 median | $133.60 | $142.26 |
| SAIDI, all events (minutes) | 1,893.5 median | 1,206.0 median | 184.5 median |
| SAIDI, without major event days | 215.4 median | 478.0 median | 99.8 median |
| Utilities counted | 1 | 17 | 1,413 |
Outage minutes reported
SAIDI for 2024 across each utility's whole system, including major event days (paler bars: only the figure without major event days was reported). Not a measure of outages in Cumberland County itself.
Population: 317,222 (U.S. Census Bureau, Vintage 2025 estimate). Statewide, residential sales came to 3,464 kWh per resident in 2024.
Other Maine counties
- Androscoggin County 1
- Aroostook County 4
- Franklin County 1
- Hancock County 2
- Kennebec County 1
- Knox County 3
- Lincoln County 1
- Oxford County 1
All 16 counties and every Maine utility
Questions and answers
Who provides electricity in Cumberland County?
Central Maine Power Co list the county in their Form EIA-861 service territory for 2024. Territories overlap, and a utility may cover only a corner of the county.
What is the electricity price in Cumberland County?
EIA has no county-level prices. The utilities serving the county reported average residential prices of 23.43¢ per kilowatthour across their Maine customers in 2024; the state average was 24.29¢.
How reliable is power in Cumberland County?
Reliability is reported per utility, not per county. The utilities listed reported a median of 1,893.5 minutes of interruption per customer in 2024 including major event days and 215.4 minutes excluding them.
Provenance
Source: U.S. Energy Information Administration, Form EIA-861 for 2024, final release: service territory file (counties by utility), sales to ultimate customers, reliability and short form files. State and US averages: Form EIA-861M workbook. Population: U.S. Census Bureau. Public domain. To confirm the utility at an address, ask the utility or the state utility commission.