MySolarCheck

Solar Panel Cost & Installation Data in Wisconsin

Observed Records
17,251
Reported Capacity
357 MW
Observed Avg Cost
$3.99/W

Median: $3.52/W

Dataset Rank
#14

87% residential

17.18¢
Residential Rate (EIA 2024)
3.8h
Peak Sun Hours/Day
19.5 yrs
Est. Payback Period
$4,242
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
24,691 kWh

Estimates use average system size, a 3.8h/day state solar-resource proxy and a 14% system-loss assumption. Payback excludes financing and incentives. Context sources: NREL, EIA and 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

200220062010201420182023

Installation Growth (Last 5 Years)

Installer Names in the Source Records

InstallerObserved Records
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

Panel Brands in the Source Records

BrandObserved Records
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

County Records - Wisconsin

CountyObserved RecordsReported Capacity
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

State-program snapshot

Is Solar Worth It in Wisconsin?

Modeled homeowner analysis

Primary dataset: LBNL Tracking the Sun 2024 release. Counts represent records in the source release, not a complete statewide census.