What does solar cost in Maine?

Solar Panel Costs in Maine vary by location. 482 solar installers operate across 426 ZIP codes. Use our calculator for a precise estimate.

How many solar installers are in Maine?

Maine has approximately 482 solar installers across 426 ZIP codes, based on Census Bureau business pattern data.

What is the best area for solar in Maine?

Based on our opportunity scoring (walkability, income, and competition), the top-rated area in Maine is ZIP 04107 with a score of 100/100. See our full rankings for the top 20 locations.

Is Maine a good market for solar?

Maine rates as a fair market for solar with an average opportunity score of 41/100. The score factors in walkability, median income, population density, and existing competition across 426 scored ZIP codes.

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Solar Panel Costs in Maine

Aggregated from 426 ZIP codes · Data updated March 2026

Best Markets in ME ›

Avg Opportunity Score

Fair

1.4 Million

Total Population

$65 Thousand

Avg Median Income

482

Registered Solar Installers

Maine has 482 registered solar installers across 426 ZIP codes, serving a population of 1.4 Million. Median household income averages $65,185 — 9,815 below the national median.

Mixed picture. The 41/100 state average covers a wide spread: a few standout ZIP codes, a lot of middling ones. Competition runs about 1.1 businesses per ZIP. Location selection matters more here than in higher-scoring states.

Top ZIP Codes in Maine

See all 20 ›

ZIP 04107 Pop. 9.6 Thousand

$150 Thousand

med. income

100

score

ZIP 04097 Pop. 4.2 Thousand

$120 Thousand

med. income

100

score

ZIP 04032 Pop. 8.7 Thousand

$110 Thousand

med. income

score

ZIP 04096 Pop. 9 Thousand

$110 Thousand

med. income

score

ZIP 04496 Pop. 3.8 Thousand

$100 Thousand

med. income

score

ZIP 04027 Pop. 6.6 Thousand

$97 Thousand

med. income

score

ZIP 03908 Pop. 7.4 Thousand

$98 Thousand

med. income

score

ZIP 04038 Pop. 18 Thousand

$110 Thousand

med. income

score

ZIP 04222 Pop. 4.2 Thousand

$96 Thousand

med. income

score

#10

ZIP 04358 Pop. 4.5 Thousand

$94 Thousand

med. income

score

Best Markets

See the top 20 ZIP codes in Maine ranked by opportunity score with full breakdowns.

Best Solar Installers Markets in Maine

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Data sources: Census Bureau American Community Survey 2023, USDA National Walkability Index 2021, County Business Patterns 2022, FDIC Summary of Deposits 2023.