SolarData USA

Solar Energy in Wisconsin - Installation Data & Costs

Total Installations
17,251
Total Capacity
357 MW
Average Cost
$3.99/W

Median: $3.52/W

National Rank
#14

87% residential

16.01¢
Electricity Rate (kWh)
3.8h
Peak Sun Hours/Day
15.7 yrs
Est. Payback Period
$3,677
Est. Annual Savings

Environmental & Community Impact

CO₂ Offset/Year
398,550 tons
CO₂ Offset/System/Year
16.3 tons
Installations per 10K Residents
29.3
State Population
5,882,128
Est. Annual Production/System
22,969 kWh

Estimates based on average system size, 3.8h peak sun hours/day, 80% derating factor, and 30% federal ITC. Sources: NREL, EIA, EPA eGRID (0.709 metric tons CO₂/MWh).

System Overview

Avg System Size
20.7 kW
Third-Party Owned
0.3%

Cost Trend ($/W)

Avg Cost per Watt

200220042006200820102012201420162018202020222023

Installation Growth (Last 5 Years)

Top Solar Installers in Wisconsin

InstallerInstallations
Everlight Solar Construction2,616
-12,417
Arch Electric1,141
Full Spectrum Solar908
Olson Solar Energy873
All Energy Solar607
Sun Badger Solar577
North Wind Renewable Energy550
Midwest Solar Power460
Eland Electric457

Most Popular Panel Brands in Wisconsin

BrandInstallations
Alps Technology3,066
Qcells North America1,987
Silfab Solar Inc.1,766
REC Solar1,539
SolarWorld748
LG Electronics Inc.699
Heliene696
Vietnam Sunergy Joint Stock Company686
JA Solar651
CSI Solar Co., Ltd.575

Solar by County - Wisconsin

CountyInstallationsCapacity
Dane4,34041 MW
Milwaukee1,11011.4 MW
La Crosse87418 MW
Waukesha8089.6 MW
Sauk4824.2 MW
Eau Claire46516.5 MW
Vernon39553.2 MW
Rock3873.9 MW
Portage3152 MW
Outagamie3143.3 MW
Brown3124.8 MW
Racine3003.6 MW
St. Croix2743.1 MW
Pierce2703 MW
Iowa2652.1 MW

Wisconsin Solar Incentives

Tax credits, rebates & programs

Is Solar Worth It in Wisconsin?

Data-backed analysis

Source: