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Solar Panel ROI in St. Clair County, IL

Is going solar worth it in St. Clair County? Here are the numbers.

Avg System Cost

$6,340

After Tax Credit (30%)

$4,438

Est. Payback Period

1.1 yrs

25-Year ROI

2270%

Solar Economics in St. Clair County

Investment Breakdown

System Cost (est.)$6,340
Federal Tax Credit (30%)-$1,902

Net Cost$4,438

Annual Savings

Est. Annual Energy Savings$4,208
Median Home Value$158,500

Median Household Income$68,915

About St. Clair County, Illinois

St. Clair County in Illinois has a median household income of $68,915 and median home value of $158,500. With an estimated payback period of 1.1 years, solar is a strong investment for homeowners in this area.

These estimates use county-level medians and national averages for solar irradiance. Your actual ROI depends on roof orientation, shading, local utility rates, and available state/local incentives beyond the federal 30% ITC.

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Other Counties in Illinois

County-level data from U.S. Census Bureau American Community Survey (ACS) 2022 5-Year Estimates. Additional sources: EIA, NREL, DSIRE. Solar cost estimates based on county-level home values and national averages. This is not financial advice.