Central Maine Power Co Rates: Average Bill & Price per kWh

Residential rates for Central Maine Power Co and how they compare to the Maine average — 2024 EIA-861 annual data.

Data through 2024 EIA-861, verified Oct 11, 2026

Residential customers of Central Maine Power Co average $124.59/month at 22.37¢/kWh — below the Maine average of $131.41.

Avg bill (2024)$124.59/moannual average Rate22.37¢/kWh Res. customers577,955 Bill rank#2 in MEof tracked utilities

Where Central Maine Power Co rates are heading

Annual residential figures from Form EIA-861, 2019–2024.

Central Maine Power Co price per kWh (annual) ▲ 38.7% over 2019–2024
Central Maine Power Co price per kWh (annual) 15.4¢ 20.7¢ 25.9¢ 22.4¢ 2019 2024
YearRateAvg billRes. customers
2019 16.13¢/kWh $92.68/mo 551,512
2020 15.42¢/kWh $89.93/mo 557,067
2021 15.81¢/kWh $94.38/mo 560,186
2022 21.33¢/kWh $126.07/mo 565,172
2023 25.9¢/kWh $146.31/mo 567,972
2024 22.37¢/kWh $124.59/mo 577,955

Rate context in Maine

Statewide residential price trend (12 months) — context for Central Maine Power Co's 2024 annual figure.

Maine price per kWh (12 months) ▲ 5.7% over Jul 25–Jun 26
Maine price per kWh (12 months) 26.6¢ 29.4¢ 32.2¢ 29.6¢ Jul 25 Jun 26

Central Maine Power Co vs its state

Annual utility averages next to the latest statewide monthly figure — different windows, both labeled.

MeasureCentral Maine Power CoMaine (latest month)
Avg bill $124.59/mo $131.41/mo
Rate 22.37¢/kWh 29.59¢/kWh

Common questions

How much is the average electric bill with Central Maine Power Co?

Central Maine Power Co residential customers averaged $124.59 per month in 2024 (EIA-861 annual data) — about $1,495.10 per year.

What does Central Maine Power Co charge per kWh?

Central Maine Power Co averaged 22.37¢ per kWh for residential service in 2024 (annual revenue divided by sales, EIA-861). Actual rates depend on your plan and season.

How does Central Maine Power Co compare to the Maine average?

Central Maine Power Co bills average $124.59 — lower than the Maine average of $131.41 (latest EIA month).

How many customers does Central Maine Power Co serve?

Central Maine Power Co served 577,955 residential customers in 2024, per EIA-861 — one of the largest utilities we track in ME.

Data: Form EIA-861, 2024 annual residential figures for Central Maine Power Co. Bill = residential revenue ÷ customers ÷ 12; rate = revenue ÷ sales. State context uses the latest EIA monthly data. See methodology.