⚡ Electricity rates in Illinois (2026)
Average price: 16¢/kWh — below the national average (-3% vs. the U.S. average). Typical bill ~$117/month.
Estimate your bill in Illinois
Illinois electric bill estimator
Starts from the Illinois average bill.
☀️ Would solar pay off in Illinois?
With Illinois's rates and sunlight, a typical home solar system has an estimated payback of 15.7 years and could save about $10,020 over 25 years (after the 30% federal tax credit).
See Illinois solar savings →Electricity bills in Illinois cities
| City | Population | Est. monthly bill |
|---|---|---|
| Chicago | 2,664,452 | $103 |
| Aurora | 179,266 | $117 |
| Joliet | 150,362 | $117 |
| Naperville | 149,936 | $117 |
| Rockford | 147,711 | $117 |
| Springfield | 113,273 | $117 |
| Peoria | 113,150 | $117 |
Illinois electricity FAQ
What is the average electricity rate in Illinois?
About 16¢ per kWh — below the national average (-3% vs. the U.S. average of 16.5¢). The typical Illinois household bill is around $117 per month.
Why is electricity cheaper in Illinois?
Illinois's price reflects its generation mix, fuel costs, delivery charges, and regulation in the Midwest. Households here use about 730 kWh per month on average.
How can I lower my electric bill in Illinois?
Improve insulation and efficiency, shift heavy usage off-peak where time-of-use rates apply, and — if you're in a deregulated market — compare suppliers. Solar can cut the bill further; see the estimate below.