Solar Energy Data for Maine
Detailed solar irradiance and production data for 1 cities in Maine. The state averages 3.83 kWh/m²/day GHI — Average solar resources.
Maine near the national average for solar energy production. Solar installations are economically viable across most of Maine, particularly where electricity rates are above the national average.
Maine Overview
- Cities with data
- 1
- Avg. GHI
- 3.83 kWh/m²/day
- Solar Rating
- Average
- Best City
- Portland (3.83 kWh/m²/d)
Cities in Maine — Ranked by Solar Potential
1 cities| Rank | City | GHI (kWh/m²/d) | Peak Sun Hours | 5kW Production | Est. Annual Savings | Payback |
|---|---|---|---|---|---|---|
| #1 | Portland (pop. 68,408) | 3.83 | 4.6 | 6,760 kWh | $1,480 | 7.1 yrs |
Analyze any Maine location
These figures are city-level averages. For your exact address in Maine, use SolarScope's Site Studio to account for roof orientation, shading, and your utility rate.