Maine
Electricity costs 27.78¢/kWh residential, ranking #46 cheapest in the US. 53.8% renewable energy.
27.78¢
Residential Rate
#46
Price Rank (Cheapest)
53.8%
Renewable Energy
#8
Renewable Rank
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Electricity Rates
| Residential | 27.78¢/kWh |
| Commercial | 20.96¢/kWh |
| Industrial | 15.50¢/kWh |
| National Average | 17.92¢/kWh |
Electricity Generation Mix
Natural Gas
43.7%
Hydro
19.5%
Wind
16.7%
Other
13.5%
Solar
6.4%
Coal
0.2%
Frequently Asked Questions
The residential electricity rate in Maine is 27.78¢ per kilowatt-hour, ranking #46 cheapest out of 51 states. The national average is 17.92¢/kWh, making Maine 55% above average.
53.8% of Maine's electricity comes from renewable sources, ranking #8 among all states. The largest generation source is Natural Gas at 43.7%.
Maine's residential rate of 27.78¢/kWh is 55% above the national average of 17.92¢/kWh. Commercial rates are 20.96¢/kWh and industrial rates are 15.50¢/kWh.
Related State Energy Profiles
24.56¢/kWh residential · 14.9% renewable
26.09¢/kWh residential · 28.2% renewable
26.39¢/kWh residential · 30.0% renewable
29.38¢/kWh residential · 3.1% renewable
29.46¢/kWh residential · 10.0% renewable
22.92¢/kWh residential · 99.8% renewable
Electricity rates from EIA retail sales data. Prices in cents per kilowatt-hour. Generation mix from EIA electric power operational data. Rankings based on residential rates.
At 27.78¢/kWh, residential electricity in Maine is 55% above the U.S. average of 17.92¢/kWh — the 6th most expensive residential rate among 51 states and territories.
Across rate classes, commercial customers pay 20.96¢/kWh and industrial customers 15.50¢/kWh — a 5.46¢/kWh gap that reflects the volume discounts large industrial loads receive. Renewables supply 53.8% of Maine's electricity generation — the 8th highest renewable share nationally — with natural gas the single largest source at 43.7%, followed by hydroelectric at 19.5%.
In 2024, Maine generated about 14,655 GWh of electricity in total.
Source: U.S. Energy Information Administration, 2026.