Solar installers in Trempealeau County
5 companies have installed solar on 25 homes here since 2023. Covers Arcadia, Trempealeau, Osseo, Gale, Galesville, Whitehall and nearby towns.
| Installer | Homes since 2023 | Median price in state |
|---|---|---|
| Olson Solar Energy | 20 | $3.15/W$0.77 below median |
| Jolma Electric | 2 | $5.29/W$1.37 above median |
| 518 Solar 10105078 | 1 | — |
| Arch Electric | 1 | $3.55/W$0.37 below median |
| Green EnergyBased in Bakersfield, CA · (661) 342-2380 | 1 | — |
Ranked by homes installed, which shows who’s active here, not who’s best. Prices are each company’s median for systems sold outright, shown when it sold at least 10.
Towns in Trempealeau County: Arcadia, Trempealeau, Osseo, Gale, Galesville, Whitehall, Independence, Blair, Hale, Strum, Pigeon, Preston.
Other Wisconsin counties
How much does solar cost in Trempealeau County, WI?
There weren't enough Trempealeau County systems bought outright for a county figure. Across Wisconsin, homes paid a median $3.92/W installed in 2023–2025, about $31,400 for a 8 kW system.
Which solar companies install in Trempealeau County, WI?
5 installers have put in home systems in Trempealeau County since 2023, the busiest being Olson Solar Energy, Jolma Electric, 518 Solar 10105078, Arch Electric, Green Energy.
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.