Solar installations in Johnson County, IL
56 recorded installations in Johnson 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.
Search every recorded installation in Johnson County by installer, size, date and equipment.
Search sites →Most active
Top installers in Johnson County
No resolved installers recorded in this county.
Growth
Installations by year
Frequently asked questions
How many homes have solar in Johnson County?
PanelCensus records 56 solar installations in Johnson County, Illinois (3.8 MW of capacity) — about 1.0% of the county's 5,538 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 Johnson County?
Not enough priced records in this county to compute a reliable median.
Who installs solar in Johnson 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.