Solar Panel Cost & Installation Data in St. Clair County, Illinois
Observed project records in the LBNL Tracking the Sun 2024 release. Historical coverage varies by place and year.
Observed Records
1,023
Reported Capacity
31 MW
Avg System Size
30.1 kW
15.87¢/kWh
State Residential Rate (EIA 2024)
$5,848
Modeled Annual Savings
Primary source: LBNL Tracking the Sun 2024 release. A minimum sample of 25 records is required; figures are not a complete county census or a current installer quote.