MaineLocal --:--Sun now --Daylight --
Central Maine Power Co
Central Maine Power Co served 46,830 residential customers in Maine in 2025 (6.3% of the state's residential customers), the 1st largest of 20 utilities reporting there. Delivery-only service; ownership: investor owned; balancing authority ISNE.
The meter, one average month.
Scroll to run 30 days of Central Maine Power Co's average residential use through a five-dial register.
- Used so far
- 510 kWh
- At 17.11¢/kWh
- $87.30
Price ruler0 to 50¢ per kWh
Where 17.11¢ sits.
This page covers delivery-only service, which is only part of a household's bill, so its 17.11¢ is not compared with the Maine bundled average of 27.78¢. Both are drawn for scale only.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average Central Maine Power Co home used 600 kWh a month at 8.97¢ and paid $53.80. In 2025 it used 510 kWh at 17.11¢ and paid $87.30: the price per kWh is up 90.9%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 8.97 | 17.11 |
| Use, kWh a month | 600 | 510 |
| Bill, US$ a month | 53.8 | 87.3 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 46,830 | 286,661 | 17.11 |
| Commercial | 24,729 | 2,173,581 | 8.96 |
| Industrial | 729 | 1,645,125 | 6.13 |
Who else is on the line
Homes are one class.
Homes took 7.0% of the electricity Central Maine Power Co sold in Maine in 2025.
Rooftop solar on its linesnet metering
16,367 roofs.
- Residential net-metered PV
- 16,367installations reported for 2025
- Capacity
- 138.9 MWresidential, net metered
- Per 1,000 homes
- 349.5installations per 1,000 residential customers
Service territoryEIA-861
14 counties.
AndroscogginCumberlandFranklinHancockKennebecKnoxLincolnOxfordPenobscotPiscataquisSagadahocSomersetWaldoYork
Counties in Maine where Central Maine Power Co reported serving customers in 2025 (14 in all; up to 24 listed).
EIA-8612025Utility 3266
The filing, line by line.
| Measure | Value | Unit |
|---|---|---|
| Average price | 17.11 | ¢/kWh |
| Maine average price | 27.78 | ¢/kWh |
| Price change over 5 years | 90.9 | % |
| Typical monthly use | 510 | kWh |
| Typical monthly bill | 87.3 | US$ |
| Residential customers | 46,830 | accounts |
| Share of ME residential customers | 6.3 | % |
| Size rank in ME | 1 of 20 | by customers |
Rate plans on fileOpenEI URDB
None shown for this page. Plan counts appear once per utility, on its largest state's bundled page; how plans are counted.