Solar installations in Mercer County, IL
282 recorded installations in Mercer 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 Mercer County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 89 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 317% of that. A yardstick, not dated records.
Most active
Top installers in Mercer County
No resolved installers recorded in this county.
Growth
Installations by year
Frequently asked questions
How many homes have solar in Mercer County?
PanelCensus records 282 solar installations in Mercer County, Illinois (20.6 MW of capacity) — about 3.9% of the county's 7,279 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 Mercer County?
Not enough priced records in this county to compute a reliable median.
Who installs solar in Mercer 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.