☀️ Solar panels in Lewiston, ME: cost & savings (2027)

Cost after tax credit: $16,800 · Payback: 15 years · Est. savings: $1,119/year.

Residential solar panels installed on a house roof in Lewiston, Maine
A typical home solar system in Lewiston costs about $16,800 after the federal tax credit and pays back in ~15 years. Photo: Lionel Allorge (CC BY-SA 3.0)

With about 37,121 residents, Lewiston is a smaller city and the #2 largest city in Maine. Homes here pay Maine's residential rate of 23¢/kWh (about $134/month), so a typical 8 kW solar system — roughly $16,800 after the 30% federal tax credit — saves close to $1,119/year and pays back in about 15 years. That makes solar a longer-term play in Lewiston. Below, compare nearby Maine cities and get real quotes.

$16,800
System cost in Lewiston
after 30% credit
15 yrs
Estimated payback
$1,119
Est. annual savings
$11,175
25-year savings

Is solar worth it in Lewiston?

Solar pays off fastest where power is expensive and the sun is strong. In Lewiston, electricity runs about 23¢/kWh and Northeast sunlight gives a production factor of 0.82×. A standard system offsetting most of a $134/month bill returns roughly $1,119/year and pays for itself in about 15 years.

Your real result depends on roof, shading, exact usage and installer pricing. Always compare a couple of real Lewiston quotes before signing.

See Lewiston electricity rates → · All Maine solar →

Lewiston solar FAQ

How much do solar panels cost in Lewiston, ME?

A typical 8 kW home system is around $24,000 before incentives, or about $16,800 after the 30% federal tax credit in Lewiston. Local utility or Maine incentives can lower it further.

Is solar worth it in Lewiston?

In Lewiston it's a longer-term play: with Maine electricity at 23¢/kWh and Northeast sunlight, a system saves roughly $1,119/year and pays for itself in about 15 years, then produces largely free power for the rest of its 25+ year life.

How much can I save with solar in Lewiston?

About $1,119 per year and roughly $11,175 over 25 years after the system pays for itself. Exact savings depend on your roof, shading and usage.

How do I get cheap solar in Lewiston?

Get at least three quotes from installers active in Lewiston, claim the 30% federal tax credit, stack any Maine or utility rebates, and avoid oversizing the system beyond your $134/month usage.

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