Solar installations in Grant County, WI
231 recorded installations in Grant 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 4.1 hail (1.6 severe) and 3.1 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Grant County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 104 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 222% of that. A yardstick, not dated records.
Most active
Top installers in Grant County
| # | Installer | Installs here |
|---|---|---|
| 1 | Eagle Point Solar | 88 |
| 2 | Timmermans Talents 3130 | 52 |
| 3 | Ethos Green Power | 11 |
| 4 | Hoeper Green Power | 10 |
| 5 | Olson Solar Energy | 10 |
| 6 | All Energy Solar | 6 |
| 7 | Solar Planet | 5 |
| 8 | Moxie Solar | 4 |
| 9 | Blue Sky Solar | 4 |
| 10 | Jack Potteradobe Reo 18121 | 3 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Grant County?
PanelCensus records 231 solar installations in Grant County, Wisconsin (138.2 MW of capacity) — about 1.0% of the county's 22,192 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 Grant County?
The median installed price for recorded systems in Grant County is $2.61/W pre-incentive; the median system runs 9.1 kW.
Who installs solar in Grant County?
The most active recorded installers in Grant County are Eagle Point Solar, Timmermans Talents 3130, Ethos Green Power.
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.