Solar Energy Data for Massachusetts

Detailed solar irradiance and production data for 2 cities in Massachusetts. The state averages 3.83 kWh/m²/day GHI — Average solar resources.

Massachusetts near the national average for solar energy production. Solar installations are economically viable across most of Massachusetts, particularly where electricity rates are above the national average.

Massachusetts Overview

Cities with data: 2
Avg. GHI: 3.83 kWh/m²/day
Solar Rating: Average
Best City: Boston (3.84 kWh/m²/d)

Cities in Massachusetts — Ranked by Solar Potential

2 cities

Rank	City	GHI (kWh/m²/d)	Peak Sun Hours	5kW Production	Est. Annual Savings	Payback
#1	Boston (pop. 675,647)	3.84	4.6	6,672 kWh	$1,688	6.2 yrs
#2	Worcester (pop. 206,518)	3.83	4.5	6,643 kWh	$1,681	6.2 yrs

Analyze any Massachusetts location

These figures are city-level averages. For your exact address in Massachusetts, use SolarScope's Site Studio to account for roof orientation, shading, and your utility rate.

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