PanelCensus

Solar installations in St. Clair County, IL

1,024 recorded installations in St. Clair County, Illinois — capacity, prices and the installers doing the work.

Dataset updated . Refreshed from LBNL's Tracking the Sun public releases.

Installations
1,024
Total capacity
30.8 MW
Median price
pre-incentive
Third-party owned
5%
lease / PPA

Most active

Top installers in St. Clair County

No resolved installers recorded in this county.

Growth

Installations by year

2009
1
2015
5
2016
13
2017
25
2018
1
2019
53
2020
179
2021
150
2022
107
2023
349
2024
134

Frequently asked questions

How many homes have solar in St. Clair County?

The Tracking the Sun dataset records 1,024 solar installations in St. Clair County, Illinois (30.8 MW of capacity). Dataset coverage depends on Illinois's reporting programs, so the true total is higher.

How much does solar cost in St. Clair County?

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

Who installs solar in St. Clair 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.