Solar Energy Data for Wisconsin

Detailed solar irradiance and production data for 2 cities in Wisconsin. The state averages 3.87 kWh/m²/day GHI — Average solar resources.

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

Wisconsin Overview

Cities with data: 2
Avg. GHI: 3.87 kWh/m²/day
Solar Rating: Average
Best City: Milwaukee (3.87 kWh/m²/d)

Cities in Wisconsin — Ranked by Solar Potential

2 cities

Rank	City	GHI (kWh/m²/d)	Peak Sun Hours	5kW Production	Est. Annual Savings	Payback
#1	Milwaukee (pop. 590,157)	3.87	4.5	6,628 kWh	$1,080	9.7 yrs
#2	Madison (pop. 259,680)	3.86	4.5	6,585 kWh	$1,073	9.8 yrs

Analyze any Wisconsin location

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

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