☀️ Solar savings in Illinois (2026)

Estimated payback: 15.7 years. 25-year savings: $10,020 (after the 30% federal tax credit).

15.7 yrs
Estimated payback
$1,073
Est. annual savings
$16,800
System cost after credit
$10,020
25-year savings

Is solar worth it in Illinois?

Solar makes the most sense where electricity is expensive and there's plenty of sun. In Illinois, residential electricity runs about 16¢/kWh and a typical household spends around $1,402/year on power. A standard 8 kW system offsetting most of that usage would save roughly $1,073/year, paying for itself in about 15.7 years and then producing largely free electricity for the rest of its 25+ year life.

Your actual result depends on your roof, shading, exact usage, installer pricing, and any state or utility incentives on top of the 30% federal credit. Always get a couple of real quotes.

See Illinois electricity rates →

Illinois solar FAQ

Is solar worth it in Illinois?

With Illinois's electricity price of 16¢/kWh and Midwest sunlight, a typical home system pays back in about 15.7 years and saves roughly $10,020 over 25 years after the federal tax credit.

How much does solar cost in Illinois?

A typical 8 kW system is around $24,000 before incentives, or about $16,800 after the 30% federal tax credit. Local incentives may lower it further.

How much can solar save each year in Illinois?

Roughly $1,073 per year for a typical home that offsets most of its electricity use.

← All states: solar savings