Rates by state / Maine / Central Maine Power Co
Investor Owned · 584,462 residential customers
Central Maine Power Co electricity rates
Residential customers paid an average of 27.4¢ per kWh in 2025, 6% below the Maine average of 29.3¢ for the latest 12 months.
Average rate
27.4¢/kWh
2025, all residential revenue ÷ kWh
Average bill
$147/mo
At 535 kWh a month
1-year change
+17.0%
5 years: +68.8%
Average rate by year
202016.2¢
202116.5¢
202222.4¢
202327.4¢
202423.4¢
202527.4¢
Central Maine Power Co bill at different usage levels
Estimated monthly bill at Central Maine Power Co's 2025 average rate of 27.4¢ per kWh. Actual bills vary with your plan, fixed charges and taxes.
| Monthly use | Central Maine Power Co | Maine average |
|---|---|---|
| 500 kWh (about average here) | $137 | $147 |
| 750 kWh | $206 | $220 |
| 1,000 kWh | $274 | $293 |
| 1,500 kWh | $411 | $440 |
| 2,000 kWh | $548 | $586 |
Other utilities in Maine
| Utility | Customers | Rate |
|---|---|---|
| Versant Power | 137,839 | 30.1¢ |
| Electricity Maine, LLC | 14,903 | 33.0¢ |
| SmartEnergy Holdings, LLC | 13,439 | 34.0¢ |
| Eastern Maine Electric Coop | 10,808 | 19.4¢ |
| Kennebunk Light & Power Dist | 6,723 | 13.5¢ |
| Think Energy, LLC | 4,798 | 28.9¢ |
| C. N. Brown Electricity, LLC | 4,553 | 28.6¢ |
| Houlton Water Company | 3,907 | 14.2¢ |
Central Maine Power Co: common questions
- How much does Central Maine Power Co charge per kWh?
- Central Maine Power Co residential customers paid an average of 27.4¢ per kWh in 2025, counting all charges, according to EIA Form 861 data.
- What is the average Central Maine Power Co electric bill?
- The average Central Maine Power Co household used 535 kWh a month in 2025, which works out to about $147 a month at the average rate.
- Is Central Maine Power Co cheaper than other utilities in Maine?
- Central Maine Power Co's average rate is 6% below the Maine average of 29.3¢. 4 of 20 utilities in Maine have a lower average rate.
- Did Central Maine Power Co raise rates?
- Central Maine Power Co's average residential rate changed +17.0% from 2024 to 2025 and +68.8% since 2020.
- Is my Central Maine Power Co bill too high?
- Enter the kWh and amount from your bill in the free bill check on AverageElectricBill.com. It compares your use with similar Maine homes and your rate with Central Maine Power Co's average.
Got a Central Maine Power Co bill?
Check my billSource: U.S. EIA Form EIA-861, 2025 final data.