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Maine Solar

Data Current Through:

Q4 2023

Solar Installed (MW):
National Ranking:
27th (18th in 2023)
Enough Solar Installed to Power:
178,213 homes
Percentage of State's Electricity from Solar:
Solar Jobs:
Solar Companies in State:
53 (4 Manufacturers, 29 Installers/Developers, 20 Others)
Total Solar Investment in State:
$1.6 billion
Prices have fallen
47% over the last 10 years
Growth Projection and Ranking:
1,353 MW over the next 5 years (ranks 32nd)
Number Of Installations:

View more solar industry data.


Notable Solar Installations in Maine

  • Farmington Solar in Farmington was developed by NextEra and came online in 2021. This 115.7 MW project produces enough electricity to power 20,769 homes.
  • Target and Brookfield Properties Retail have gone solar in Maine. Brookfield Properties Retail's 800 kW project in South Portland is one of the largest corporate projects in the state. 
  • At 27.4 MW, BD Solar 1 in Milo is among the largest solar installations in Maine. Completed by Dirigo Solar in 2021, this solar project has enough electric capacity to power more than 4,919 homes.

Check out our Major Solar Projects List for more notable installations.

View more solar data.

Solar Companies in Maine

Looking for a local installer? Use SolarReviews to get company reviews and estimates for solar in your area. You can also view the average costs for installing solar in Maine, based on real price data from installed systems and solar quotes.

Don't see your company listed? Complete our National Solar Database Survey!

If you're looking for information about local solar companies, check out EnergySage's list of solar companies in Maine, where you can check out information about each company and see real customer reviews.

Maine State Solar Policy Resources

DSIRE Incentives Database – Maine – Search a public clearinghouse for specific solar energy incentives in Maine and across the United States

Maine Public Service Commission - Learn about the governing body that regulates the electricity rates and services of Maine public utilities

Maine SEIA

Maine State Energy Office - Find a wide variety of information on state government energy programs, policy, projects, energy-saving strategies and energy-related statistics

Maine State Legislature - Track pending legislation affecting solar energy, locate and contact individual legislators, and stay up to date on current legislative issues in Maine

Maine Solar Panels Overview - Learn about the history of solar policy in Maine, along with up-to-date pricing information on EnergySage

Natural Resources Council Maine

Solar Panel Cost in Maine - Learn about the history of solar policy in Maine, along with up-to-date pricing information on EnergySage

Solar Rebates & Incentives in Maine - Check out EnergySage's list of key solar incentives in Maine to see what programs you can benefit from

U.S. Energy Information Administration – Maine State Profile - Explore official energy statistics, including data on electricity supply and demand, from the U.S. government