Solar installer

Kollmann Electric

Installed solar on 5 homes since 2023 in Wisconsin. Installing since 2021. Latest install on record: December 2025.

Homes since 2023: 5
Median price: —
Typical system: 16.2 kW
Leased or PPA: —

Price

Public records don’t show enough systems bought outright from Kollmann Electric (at least 10) for a price. Ask for a quote in dollars per watt to compare it with the Wisconsin median.

Where it installs

Counties with homes it installed since 2023, busiest first.

Fond du Lac County, WI · 3 Calumet County, WI · 1 Jefferson County, WI · 1

By state

State	Homes	Median
Wisconsin	5	—

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.