PanelCensus

Solar installations in Johnson County, IL

34 recorded installations in Johnson 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
34
Total capacity
3.4 MW
Median price
pre-incentive
Third-party owned
3%
lease / PPA

Most active

Top installers in Johnson County

No resolved installers recorded in this county.

Growth

Installations by year

2016
4
2019
1
2020
5
2021
9
2022
5
2023
6
2024
1
2025
1
2026
1

Frequently asked questions

How many homes have solar in Johnson County?

PanelCensus records 34 solar installations in Johnson County, Illinois (3.4 MW of capacity). Dataset coverage depends on Illinois's reporting programs, so the true total is higher.

How much does solar cost in Johnson County?

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

Who installs solar in Johnson 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.