Solar installations in Winnebago County, IL
3,862 recorded installations in Winnebago County, Illinois — 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 4.8 hail (1.7 severe) and 3.7 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Winnebago County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 1,936 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 199% of that. A yardstick, not dated records.
Most active
Top installers in Winnebago County
No resolved installers recorded in this county.
Growth
Installations by year
Frequently asked questions
How many homes have solar in Winnebago County?
PanelCensus records 3,862 solar installations in Winnebago County, Illinois (200.9 MW of capacity) — about 3.1% of the county's 124,959 housing units (U.S. Census ACS). Dataset coverage depends on Illinois's reporting programs, so the true total is higher.
How much does solar cost in Winnebago County?
The median installed price for recorded systems in Winnebago County is $2.93/W pre-incentive; the median system runs 8.6 kW.
Who installs solar in Winnebago County?
No resolved installers recorded in this county.
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.