Solar installations in Williamson County, IL
413 recorded installations in Williamson 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.
Most active
Top installers in Williamson County
No resolved installers recorded in this county.
Growth
Installations by year
Frequently asked questions
How many homes have solar in Williamson County?
PanelCensus records 413 solar installations in Williamson County, Illinois (62.0 MW of capacity). Dataset coverage depends on Illinois's reporting programs, so the true total is higher.
How much does solar cost in Williamson County?
Not enough priced records in this county to compute a reliable median.
Who installs solar in Williamson 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. See methodology.