Solar installers in Monroe County
8 companies have installed solar on 77 homes here since 2023. Covers Sparta, Tomah, La Grange, Angelo, Little Falls, Byron and nearby towns.
| Installer | Homes since 2023 | Median price in state |
|---|---|---|
| Ethos Green Power | 33 | $2.68/W$1.24 below median |
| Olson Solar Energy | 33 | $3.15/W$0.77 below median |
| Eagle Point Solar | 4 | $3.42/W$0.50 below median |
| Full Spectrum Solar | 3 | $2.98/W$0.94 below median |
| Bar Electric | 1 | — |
| Kinsman Construction | 1 | — |
| Lydon Drywall & Electric Inc. - 864848 | 1 | — |
| Sol Energy New Mexico | 1 | $5.50/W$1.58 above median |
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 Monroe County: Sparta, Tomah, La Grange, Angelo, Little Falls, Byron, Cashton, Leon, Jefferson, Portland, Lincoln, Adrian.
Other Wisconsin counties
How much does solar cost in Monroe County, WI?
Homes in Monroe County that bought solar in 2023–2025 paid a median $2.48/W installed, about $12,400 for a 5 kW system before incentives.
Which solar companies install in Monroe County, WI?
8 installers have put in home systems in Monroe County since 2023, the busiest being Ethos Green Power, Olson Solar Energy, Eagle Point Solar, Full Spectrum Solar, Bar Electric.
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.