PanelCensus

Solar installations in Wisconsin

22,780 recorded installations — prices, growth by year, county breakdown and the installers doing the work.

Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.

Homes with solar
0.83%
of 2,750,750 homes
Installations
22,780
Total capacity
1.5 GW
Median price
$3.52/W
pre-incentive
Third-party owned
0%
lease / PPA

Most active

Top installers in Wisconsin

#InstallerInstalls in WI
1Everlight Solar3,880
2Arch Electric1,578
3Olson Solar Energy1,348
4Full Spectrum Solar964
5All Energy Solar950
6Midwest Solar Power722
7North Wind Renewable Energy674
8Eland Electric646
9Eagle Point Solar607
10Sun Badger Solar577
11Next Energy527
12Ethos Green Power497
13Appleton Solar446
14Sunvest Solar437
15Drews Solar408

Wisconsin installer directory →

Growth

Installations by year

YearNewCumulative% homes
2005
42
1350.01%
2006
85
2200.01%
2007
112
3320.01%
2008
172
5040.02%
2009
272
7760.03%
2010
134
9100.03%
2011
243
1,1530.04%
2012
236
1,3890.05%
2013
207
1,5960.06%
2014
364
1,9600.07%
2015
497
2,4570.09%
2016
630
3,0870.11%
2017
759
3,8460.14%
2018
1,043
4,8890.18%
2019
1,412
6,3010.23%
2020
2,174
8,4750.31%
2021
2,567
11,0420.40%
2022
3,227
14,2690.52%
2023
3,563
17,8320.65%
2024
2,711
20,5430.75%
2025
2,231
22,7740.83%
2026
5
22,7790.83%

New installs per year and the running cumulative total, plus % of homes with solar (ACS housing units).

By county

Solar by county in Wisconsin

CountyInstalls% homesCapacityMedian $/W
Dane County5,6982.2%134.5 MW$4.25/W
Milwaukee County1,6640.39%27.2 MW$3.92/W
Waukesha County1,1650.67%20.1 MW$3.60/W
La Crosse County1,0622.0%34.7 MW$2.89/W
Rock County6670.94%228.9 MW$4.60/W
Sauk County5651.8%5.2 MW$2.95/W
Eau Claire County5481.2%21.0 MW$2.94/W
Brown County4590.40%7.8 MW$3.10/W
Vernon County4503.2%46.8 MW$2.79/W
Portage County4361.4%3.1 MW$3.70/W
Racine County4040.48%19.4 MW$3.75/W
Outagamie County3890.49%4.3 MW$3.18/W
Jefferson County3460.94%104.2 MW$4.60/W
Pierce County3141.8%5.9 MW$3.57/W
Iowa County3112.8%2.6 MW$3.50/W
Ozaukee County3090.78%15.1 MW$3.44/W
Washington County3070.52%8.9 MW$3.79/W
St. Croix County3020.79%6.4 MW$3.48/W
Winnebago County3020.39%4.6 MW$3.46/W
Columbia County3011.1%34.0 MW$3.66/W
Sheboygan County3010.57%11.9 MW$3.41/W
Marathon County2910.48%6.8 MW$3.23/W
Walworth County2860.53%11.6 MW$3.96/W
Dodge County2730.71%66.7 MW$3.45/W
Monroe County2731.4%51.6 MW$2.54/W
Sawyer County2651.6%1.6 MW$2.38/W
Green County2621.6%2.9 MW$4.00/W
Fond du Lac County2540.55%16.4 MW$3.91/W
Ashland County2492.6%17.8 MW$2.90/W
Bayfield County2491.9%6.7 MW$2.99/W
Kenosha County2350.32%17.3 MW$3.63/W
Grant County2311.0%138.2 MW$2.61/W
Door County1970.82%2.0 MW$3.06/W
Wood County1970.57%2.2 MW$3.07/W
Waupaca County1880.73%1.8 MW$3.60/W
Calumet County1840.83%3.2 MW$3.26/W
Polk County1780.73%5.6 MW$3.38/W
Chippewa County1630.56%13.6 MW$2.77/W
Dunn County1590.84%7.1 MW$2.97/W
Manitowoc County1490.39%1.8 MW$3.38/W
Adams County1270.75%22.4 MW$2.85/W
Clark County1220.82%11.0 MW$2.99/W
Crawford County1101.3%1.3 MW$3.00/W
Richland County1091.3%66.3 MW$2.98/W
Waushara County1040.70%874 kW$3.60/W
Oconto County940.39%724 kW$3.17/W
Trempealeau County910.68%8.0 MW$2.73/W
Forest County860.99%1.6 MW$3.30/W
Lafayette County841.2%929 kW$3.29/W
Washburn County830.65%3.1 MW$3.07/W
Pepin County812.2%1.0 MW$3.12/W
Shawano County800.39%11.2 MW$3.07/W
Lincoln County750.46%1.1 MW$3.30/W
Vilas County700.28%643 kW$3.66/W
Barron County690.29%9.4 MW$2.91/W
Buffalo County691.1%5.0 MW$2.84/W
Juneau County680.47%16.1 MW$3.05/W
Douglas County660.29%6.1 MW$3.18/W
Oneida County660.21%10.3 MW$3.67/W
Marinette County600.20%2.0 MW$3.61/W
Burnett County570.37%422 kW$3.01/W
Taylor County510.54%3.3 MW$3.36/W
Kewaunee County470.50%923 kW$3.14/W
Langlade County470.39%1.1 MW$3.07/W
Marquette County450.46%453 kW$3.48/W
Rusk County450.52%1.8 MW$2.82/W
Price County410.38%5.1 MW$3.06/W
Jackson County300.31%11.6 MW$2.95/W
Green Lake County230.21%226 kW$3.46/W
Iron County150.27%96 kW$3.17/W
Florence Countylimited70.15%70 kW$2.85/W
Menominee Countylimited50.23%43 kW$5.31/W

Counties derived from installation ZIP codes (Census ZCTA crosswalk) — approximate at boundaries. Counties marked limited have under 10 recorded installs, so their medians and penetration are indicative only. % homes = recorded installs ÷ housing units (U.S. Census ACS 5-Year, B25001).

Search every recorded Wisconsin installation — by installer, size, date, storage and equipment.

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Hardware

Top solar equipment in Wisconsin

#Panel manufacturerSystems
1Qcells North America38
2Philadelphia Solar30
3Znshine PV-Tech27
4CSI Solar Co., Ltd.25
5Trina Solar25
6Jinko Solar Co., Ltd24
7Boviet Solar Technology Co., Ltd.22
8JA Solar20
#Inverter manufacturerSystems
1SolarEdge Technologies Ltd.2

From recorded equipment on Wisconsin systems (Tracking the Sun + state/permit data); counts are systems where the manufacturer is known.

Developers

Top solar developers in Wisconsin

#DeveloperSystems
1SoCore Energy4
2OneEnergy Baker Point Solar, LLC3

Developer/EPC named on the permit or program record — often the same firm as the installer.

Frequently asked questions

How many solar installations are there in Wisconsin?

PanelCensus records 22,780 solar installations in Wisconsin, totalling 1.5 GW of capacity — about 0.83% of the state's 2,750,750 housing units (U.S. Census ACS) — compiled from LBNL's Tracking the Sun, city permit records, state programs and USGS/EIA utility-scale data. (Coverage depends on what the state publishes, so actual totals are higher.)

How much does solar cost per watt in Wisconsin?

The median installed price across priced systems in Wisconsin is $3.52/W pre-incentive. Year-by-year medians are shown on this page.

Who are the biggest solar installers in Wisconsin?

Everlight Solar has the most recorded installations in Wisconsin (3,880), followed by Arch Electric (1,578).