PanelCensus

Solar installations in Grundy County, IL

313 recorded installations in Grundy 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.

Homes with solar
1.5%
of 21,324 homes
Installations
313
Total capacity
53.4 MW
Median price
—
pre-incentive
Third-party owned
46%
lease / PPA

Severe-weather exposure: solar sites here have been matched to an average of 2.5 hail and 4.5 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).

Search every recorded installation in Grundy County by installer, size, date and equipment.

Search sites →

Most active

Top installers in Grundy County

No resolved installers recorded in this county.

Growth

Installations by year

YearNewCumulative% homes
2017
2
20.01%
2019
3
50.02%
2020
33
380.18%
2021
13
510.24%
2022
24
750.35%
2023
75
1500.70%
2024
78
2281.07%
2025
74
3021.42%
2026
8
3101.45%

Frequently asked questions

How many homes have solar in Grundy County?

PanelCensus records 313 solar installations in Grundy County, Illinois (53.4 MW of capacity) — about 1.5% of the county's 21,324 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 Grundy County?

Not enough priced records in this county to compute a reliable median.

Who installs solar in Grundy 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.