Solar installations in St. Clair County, IL
1,118 recorded installations in St. Clair 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 St. Clair County
No resolved installers recorded in this county.
Growth
Installations by year
Frequently asked questions
How many homes have solar in St. Clair County?
PanelCensus records 1,118 solar installations in St. Clair County, Illinois (105.5 MW of capacity). Dataset coverage depends on Illinois's reporting programs, so the true total is higher.
How much does solar cost in St. Clair County?
Not enough priced records in this county to compute a reliable median.
Who installs solar in St. Clair 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.