Maine Electricity Rates

Maine residential rates range from 12.0¢/kWh to 32.0¢/kWh depending on which utility serves your address. There is no single "Maine rate" — utility rate cases drive these numbers and rates differ by 30%+ between investor-owned utilities and municipal lights. Use our utility-specific pages below for your exact rate.

At the current annual increase rate of approximately 2.7%, a Maine household paying $3,456/year today would pay approximately $4,516/year by 2036. Over 25 years, that cumulative total is significantly more than the cost of a solar installation.

Yes. Maine electricity rates have increased approximately 2.7% per year on average over the last decade. This trend is driven by grid infrastructure upgrades, renewable energy mandates, and fuel cost volatility. Solar panels lock in your rate at $0/kWh for 25+ years.

25-year savings on an 8 kW system in Maine range from approximately $42,001 (on the cheapest utility, 12.0¢/kWh) to $112,003 (on the priciest, 32.0¢/kWh). Higher rate = larger savings. Use our utility-specific pages for your exact number.

Rates vary significantly across Maine utilities. Municipal utilities often have different rate structures than investor-owned utilities. Check our utility-specific pages for current rates, rate history, and solar savings estimates for your exact utility.