Is solar worth it in Illinois?
At Illinois’s average rate of 16¢/kWh and about 1250 kWh per kW of panels a year, a typical home pays back its system in roughly 9.6 yrs after the 30% federal credit — then keeps saving. Run your own numbers below.
Independent estimate for guidance only — not a quote or advice. Illinois Shines SREC program plus net metering can meaningfully cut net cost.
What drives solar payback in Illinois
Illinois homeowners pay about 16¢/kWh, which is 0.8¢ below the national average. A rooftop here generates roughly 1250 kWh per kW each year — below the typical US figure. On exports, Illinois offers full retail net metering: Illinois Shines SREC program plus net metering can meaningfully cut net cost.
A worked example
For a Illinois home with a $160/month power bill:
Assumes 3.00 $/W installed before incentives. Your actual cost, roof and usage will differ — adjust the calculator above.
Illinois solar incentives
Every estimate here already includes the 30% federal Residential Clean Energy Credit. On top of that, Illinois homeowners may qualify for state, utility or SREC incentives that change often and vary by provider. For the current, authoritative list, check DSIRE’s Illinois programs, then type any rebate into the calculator to see how it shortens your payback.