Solar installations in Jefferson County, IL
102 recorded installations in Jefferson County, Illinois — capacity, prices and the installers doing the work.
Dataset updated . Refreshed from LBNL's Tracking the Sun public releases.
Most active
Top installers in Jefferson County
No resolved installers recorded in this county.
Growth
Installations by year
Frequently asked questions
How many homes have solar in Jefferson County?
The Tracking the Sun dataset records 102 solar installations in Jefferson County, Illinois (4.9 MW of capacity). Dataset coverage depends on Illinois's reporting programs, so the true total is higher.
How much does solar cost in Jefferson County?
Not enough priced records in this county to compute a reliable median.
Who installs solar in Jefferson 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.