Solar installer

Olson Solar Energy

Installed solar on 709 homes since 2023 in Wisconsin. Installing since 2019. Latest install on record: December 2025.

Homes since 2023: 709
Median price: $3.15/W
Typical system: 8.6 kW
Leased or PPA: 0%

Price

Homes that bought their system from Olson Solar Energy paid a median $3.15/W installed, and the middle half paid $2.85/W–$3.55/W (509 systems since 2023, before incentives). That's $0.77 a watt below the Wisconsin median of $3.92/W.

Where it installs

Counties with homes it installed since 2023, busiest first.

La Crosse County, WI · 168 Eau Claire County, WI · 93 Vernon County, WI · 43 Marathon County, WI · 40 Monroe County, WI · 33 Wood County, WI · 25 Chippewa County, WI · 20 Trempealeau County, WI · 20 Dane County, WI · 18 Dunn County, WI · 16 Lincoln County, WI · 16 Portage County, WI · 15 St. Croix County, WI · 15 Pierce County, WI · 11 Clark County, WI · 10 Juneau County, WI · 10 Waupaca County, WI · 10 Pepin County, WI · 9 Vilas County, WI · 9 Brown County, WI · 8 Crawford County, WI · 8 Adams County, WI · 7 Langlade County, WI · 7 Richland County, WI · 7 Rusk County, WI · 7 Taylor County, WI · 6 Columbia County, WI · 5 Buffalo County, WI · 4 Grant County, WI · 4 Manitowoc County, WI · 4 Barron County, WI · 3 Green County, WI · 3 Jackson County, WI · 3 Jefferson County, WI · 3 Racine County, WI · 3 Sauk County, WI · 3 Shawano County, WI · 3 Waukesha County, WI · 3 Bayfield County, WI · 2 Calumet County, WI · 2 Door County, WI · 2 Fond du Lac County, WI · 2 Forest County, WI · 2 Marquette County, WI · 2 Milwaukee County, WI · 2 Oconto County, WI · 2 Oneida County, WI · 2 Ozaukee County, WI · 2 Polk County, WI · 2 Price County, WI · 2 Sawyer County, WI · 2 Washburn County, WI · 2 Winnebago County, WI · 2 Burnett County, WI · 1 Dodge County, WI · 1 Green Lake County, WI · 1 Iowa County, WI · 1 Marinette County, WI · 1 Outagamie County, WI · 1 Rock County, WI · 1

By state

State	Homes	Median
Wisconsin	709	$3.15/W

Homes installed since 2023.

Installed prices and installers from public installation records: Lawrence Berkeley National Laboratory’s Tracking the Sun (systems installed through 2025) and state program files from California, New York, New Jersey, Connecticut, Illinois and Oregon, which run into 2026. Prices are in dollars per watt of panel capacity (DC), before rebates and tax credits, for homes that bought their system; leased systems and systems with batteries are left out.