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Maine · Updated August 2026
Maine solar incentives in 2026
Every solar incentive a Maine homeowner can actually use in 2026, what Maine does not offer, and why high electricity rates still make the math work.
1:1Net Energy Billing at full retail — the best credit rate in New EnglandRanked #1 by Solar Power World · Inc. 5000 · 20,000+ installations
The numbers
What Maine actually offers in 2026
| Measure | Current | Detail |
|---|---|---|
| Net Energy Billing credit | Full retail | 1:1 — better than New Hampshire, Rhode Island or Massachusetts |
| Maine all-in residential rate | 27–32¢ | 70–100% above the national average |
| State solar rebate | None | Efficiency Maine does not offer solar rebates |
| Production incentive | None | No SREC or SMART equivalent |
| Property tax exemption | Yes | Added home value is not assessed |
| Typical payback | 12–17 years | Longer than Connecticut, shorter than the panel warranty |
| Federal residential credit (25D) | Ended | For systems purchased after Dec 31, 2025 |
Figures as published August 2026. Utility rates change on published schedules — check your own bill for the rate that applies to your account.
Why the number is what it is
What Maine does not offer
Worth stating plainly, because it gets misrepresented: Maine has no state solar rebate. Efficiency Maine does not offer one. There is no production incentive, no SREC market and no green bank financing for residential solar.
If a solar company tells you otherwise, that is worth questioning.
What Maine does have is rate exposure
Maine residential rates run 27 to 32¢ per kilowatt-hour, roughly 70 to 100% above the national average. Under 1:1 Net Energy Billing, every exported kilowatt-hour is worth that full retail rate — a better credit than New Hampshire at 85%, Rhode Island at 80% or New York under VDER.
Payback runs longer than in Connecticut, typically 12 to 17 years. Panels carry 25-year warranties, so that still leaves 8 to 13 years of production after breakeven.
The heating oil factor
More than 60% of Maine homes heat with oil. Pairing solar with a heat pump shifts heating load from a fuel you buy at market prices to electricity you generate yourself — which is a materially different calculation from solar alone, and specific to this state.
The federal residential credit ended. Here is what that actually means.
The 30% federal Residential Clean Energy Credit under Section 25D ended for systems purchased after December 31, 2025. If you buy a system with cash or a loan in 2026, you cannot claim it. Any site still advertising "30% federal tax credit" for a homeowner purchase is running outdated information.
What remains is Section 48E, the commercial investment credit. It applies to third-party-owned systems — leases and power purchase agreements — where the system owner claims it rather than the homeowner. That is precisely what makes $0-down possible: the credit stays with whoever owns the equipment, and under a PPA that is not you.
We would rather tell you that plainly than let you find out at tax time.
Two ways to pay for solar, and they are very different
If you buy the system
You own the equipment, you keep any renewable energy credits, and you carry the maintenance responsibility. Installed pricing varies by roof, shading and system size.
If you use a PPA
$0 upfront. We install and own the system; you buy the power it produces at a rate set in your agreement, and you only pay for what it actually generates. The system owner carries maintenance for the life of the agreement.
The residential federal tax credit (25D) ended for systems purchased after December 31, 2025.
You will still see ads promising a 30% credit that “ends December 31.” Read the date on them. If you buy a system today as a homeowner, you cannot claim that credit. What remains applies to the owner of the system — which, under a PPA, is us. SolarAmerica does not provide tax advice; talk to your tax professional about your situation.
Who you would be working with
SolarAmerica
We design your system and manage the project; installation is performed by vetted licensed partners in your area.
Maine questions
The things people actually ask
Why is Maine's Price to Compare lower than PPL's but the all-in rate higher?
Because the two numbers measure different things. Maine's supply charge is lower; its distribution charges and riders are higher. What matters to your budget is the all-in figure — your bill divided by your kilowatt-hours.
How often does this change?
Four times a year: March, June, September and December.
Can I shop for supply?
Yes. Maine is deregulated, and switching suppliers changes only the supply portion of your bill.
See what your roof and Maine actually add up to
About 60 seconds. No cost, no obligation, and we will tell you if solar does not make sense for your home.
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