Electricity Cost in Maine
The residential electricity rate in Maine is 27.78¢ per kilowatt-hour (kWh), ranking #46 cheapest among all 51 US states. The national average is 17.92¢/kWh, making Maine 55% above average.
27.78¢
Residential
#46
Price Rank
53.8%
Renewable
| Residential Rate | 27.78¢/kWh |
| Commercial Rate | 20.96¢/kWh |
| Industrial Rate | 15.50¢/kWh |
| US Average (Residential) | 17.92¢/kWh |
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.