Solar installations in Washington County, IL
128 recorded installations in Washington 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 Washington County
No resolved installers recorded in this county.
Growth
Installations by year
Frequently asked questions
How many homes have solar in Washington County?
The Tracking the Sun dataset records 128 solar installations in Washington County, Illinois (3.1 MW of capacity). Dataset coverage depends on Illinois's reporting programs, so the true total is higher.
How much does solar cost in Washington County?
Not enough priced records in this county to compute a reliable median.
Who installs solar in Washington 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.