Maine Solar Incentives & Tax Credits
Every solar incentive available to Maine homeowners in 2026.
30%
Federal Investment Tax Credit (ITC)
The Residential Clean Energy Credit lets you claim 30% of your total solar installation cost as a credit against your federal income taxes. On a $20,443 system, that's a $6,133 credit.
- ✅ No dollar cap — applies to full system cost including installation
- ✅ Available through December 31, 2032
- ✅ Unused credit can carry forward to future tax years
- ✅ Applies to batteries added at the same time as solar
$2,000
Maine State Incentive
Maine offers a solar rebate program up to $2,000.
Net Metering in Maine
Maine has Full Retail net metering. Your top utility, Central Maine Power, credits you for excess solar power fed to the grid.
Policy Type
Full Retail
Electricity Rate
$0.198/kWh
Top Utility
Central Maine Power
Utility Net Metering Policies in Maine
| Utility | Rate/kWh | Net Metering | Capacity Limit |
|---|---|---|---|
| Central Maine Power | $0.198 | Full Retail | No overall limit |
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