SunSavvy

Solar Panel Cost in Maine (2026)

In Maine, residential electricity averages about 23¢/kWh with roughly 4 peak sun hours a day. Here's what solar looks like for a typical Maine home using ~10,800 kWh a year.

System size
8.6 kW
~22 panels
Est. gross cost
$25,804
before incentives
Federal tax credit
- $7,741
30% ITC (verify)
Net cost
$18,063
after credit
Year-1 savings
$2,484
Payback
7.3 yrs

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Estimate your own Maine numbers

Enter your real electric bill — the calculator is preset to Maine.

Assumes $3.00/W installed and the 30% federal tax credit. Estimates only.

System size
6.2 kW
~16 panels
Est. gross cost
$18,699
before incentives
Federal tax credit
- $5,610
30% ITC
Net cost
$13,089
after credit
Year-1 savings
$1,800
Payback
7.3 yrs
25-year net savings
$48,275
after system cost, with rate escalation
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Incentives in Maine

The biggest incentive is usually the federal solar tax credit — see ourtax credit guide and confirm the current percentage, since the rules have changed recently. Maine may also offer state or utility incentives, rebates or performance payments; look up current programs in theDSIRE database.

What moves the number in Maine

  • Your utility's rate and net metering — see how net metering works.
  • Roof orientation, shading and sun hours (4/day here on average).
  • Installer pricing — always compare several quotes.

Figures are estimates for education, not a quote. Electricity rates and sun hours are approximate state averages. Confirm with local installers.

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