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Solar Panel Cost in Maine

Average costs, savings, and incentives for solar installations across Maine.

$3.40
Avg Cost/Watt
4.2 hrs/day
Peak Sun Hours
$0.198/kWh
Electricity Rate
Full Retail
Net Metering

Estimated Savings for a Typical Maine Home

Based on a $150/month electric bill

System Size
6 kW
Gross Cost
$20,443
Federal Credit
-$6,133
State Incentive
-$2,000
Net Cost
$12,310
Annual Savings
$1,460
Payback Period
8.4 yrs
25-Year Savings
$37,561
CO₂ Offset/yr
6,784 lbs

Maine Solar Incentives

30%

Federal Investment Tax Credit (ITC)

Deduct 30% of your total solar installation cost from your federal taxes. Available through 2032 with no dollar cap.

$2,000

Maine State Incentive

Maine offers a solar rebate program up to $2,000.

Net Metering Policy: Full Retail

Top utility in Maine: Central Maine Power. View full incentives detail →

Solar Costs by City in Maine

City Annual Savings Payback (yrs) Population Utility
Portland$1,46010.668,408Central Maine Power
Lewiston$1,4607.936,592Central Maine Power
Bangor$1,46010.932,640Emera Maine
South Portland$1,46010.125,404Central Maine Power
Auburn$1,4609.123,055Central Maine Power
Biddeford$1,4607.921,277Central Maine Power
Sanford$1,4609.120,463Central Maine Power
Saco$1,4608.219,919Central Maine Power
Westbrook$1,4608.519,079Central Maine Power
Augusta$1,46010.618,560Central Maine Power

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Quick Facts: Maine

  • ⚡ Avg rate: $0.198/kWh
  • 🌞 Peak sun: 4.2 hrs/day
  • 🏭 Top utility: Central Maine Power
  • 📋 Net metering: Full Retail
View all Maine incentives →