PanelCensus

Solar installations in Grundy County, IL

194 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.

Installations
194
Total capacity
48.0 MW
Median price
pre-incentive
Third-party owned
41%
lease / PPA

Most active

Top installers in Grundy County

No resolved installers recorded in this county.

Growth

Installations by year

2017
2
2019
3
2020
33
2021
13
2022
24
2023
74
2024
26
2025
8
2026
9

Frequently asked questions

How many homes have solar in Grundy County?

PanelCensus records 194 solar installations in Grundy County, Illinois (48.0 MW of capacity). 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. See methodology.