Solar installations in Trempealeau County, WI
91 recorded installations in Trempealeau County, Wisconsin — capacity, prices and the installers doing the work.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Severe-weather exposure: solar sites here have been matched to an average of 7.1 hail (2.6 severe) and 2.3 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Trempealeau County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 58 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 157% of that. A yardstick, not dated records.
Most active
Top installers in Trempealeau County
| # | Installer | Installs here |
|---|---|---|
| 1 | Olson Solar Energy | 43 |
| 2 | Winona Renewable Energy | 3 |
| 3 | Midwest Solars | 3 |
| 4 | Ethos Green Power | 3 |
| 5 | Green Energy | 3 |
| 6 | Minnsolar | 2 |
| 7 | Jolma Electric | 2 |
| 8 | Arch Electric | 1 |
| 9 | Tj Electric Service | 1 |
| 10 | Next Step Energy | 1 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Trempealeau County?
PanelCensus records 91 solar installations in Trempealeau County, Wisconsin (8.0 MW of capacity) — about 0.68% of the county's 13,373 housing units (U.S. Census ACS). Dataset coverage depends on Wisconsin's reporting programs, so the true total is higher.
How much does solar cost in Trempealeau County?
The median installed price for recorded systems in Trempealeau County is $2.73/W pre-incentive; the median system runs 10.8 kW.
Who installs solar in Trempealeau County?
The most active recorded installers in Trempealeau County are Olson Solar Energy, Winona Renewable Energy, Midwest Solars.
County assignment is derived from installation ZIP codes via the Census 2020 ZCTA↔county crosswalk (primary county by land-area overlap) — approximate at county boundaries. Market penetration = recorded installations ÷ housing units (U.S. Census Bureau ACS 5-Year, Table B25001); it undercounts where dataset coverage is partial. See methodology.