Solar & Net Metering Policy
Net metering is available in Maine, allowing solar owners to send excess electricity back to the grid and receive credits on their utility bill. Net Energy Billing (NEB) applies for systems up to 5 MW. Maine does not currently offer a state solar tax credit, though the federal 30% ITC still applies to qualifying installations. Additional savings are available through a property tax exemption on the added home value.
Net Metering Notes
Net Energy Billing (NEB) applies for systems up to 5 MW.
Utility Rebate Details
Efficiency Maine offers rebates for battery storage combined with solar.
Does Maine have net metering?
Yes. Maine has net metering, which allows solar panel owners to receive credits for excess electricity sent back to the grid. Net Energy Billing (NEB) applies for systems up to 5 MW.
What solar tax credits are available in Maine?
Maine does not currently offer a state solar tax credit. However, the federal Investment Tax Credit (ITC) provides a 30% tax credit on qualifying solar installations nationwide.
What is the federal solar tax credit and does it apply in Maine?
The federal Investment Tax Credit (ITC) provides a 30% tax credit on the total cost of a solar installation. It applies in Maine for qualifying residential and commercial installations. The ITC is claimed on your federal tax return in the year the system is installed.
Is solar equipment exempt from property tax in Maine?
Yes. Maine offers a property tax exemption for solar installations, meaning the added home value from your solar system is not subject to additional property taxes.
Is there a sales tax exemption for solar in Maine?
Maine does not currently offer a sales tax exemption for solar equipment. Sales tax applies to the purchase of solar panels and installation materials at the standard state rate.
Does Maine have an SREC market?
Maine does not currently have an active SREC market. Solar owners in Maine cannot generate additional income through SREC sales at this time.
Are there utility rebates for solar in Maine?
Yes. Utility rebates are available in Maine. Efficiency Maine offers rebates for battery storage combined with solar.
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Official Source
Maine Public Utility Commission
Last verified: 2026-03-24 · Always confirm current incentives before installing solar.