Solar Panel Cost & Savings in Scott County, IL
A typical 6 kW home solar system in Scott County pays back in 12.1 years and saves an estimated $25,463 over 25 years after the federal tax credit.
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Is solar worth it in Scott County?
Scott County sits 5% above the national median for solar production, and homes here pay 12.4¢ per kWh. That combination puts payback at about 12.1 years — a Fair Solar Value.
Because the 30% federal tax credit applies through 2032, a system installed now is credited $5,400, dropping the net cost to $12,600. Over 25 years, escalating utility rates push estimated savings to $25,463.
Frequently asked
What's the payback period for solar in Scott County?
At Scott County's electricity rate of 12.4¢/kWh and local sun levels, a typical 6 kW system pays for itself in about 12.1 years after the 30% federal tax credit — a "Fair" Solar Value rating.
How much does solar cost in Scott County after the tax credit?
A 6 kW reference system runs about $18,000 gross. The 30% federal Investment Tax Credit brings the net cost down to roughly $12,600 before any state or local incentives.
Is solar worth it at 12.4¢/kWh?
Yes — higher rates and good sun mean every kWh you generate offsets more, shortening payback and growing 25-year savings. Estimated 25-year savings: $25,463.
Does Illinois have net metering?
Net-metering rules vary by utility and change over time. Many Illinois utilities credit excess generation, which improves these economics. Confirm current terms with a local installer when you compare quotes.
Where does this estimate come from?
Production is modeled from NREL PVWatts v8 for Scott County (sun factor +5% vs. the national median), and the electricity rate from NREL Utility Rates v3. Updated June 2026.