
Electricity Rates in Illinois
Average residential electricity cost, utility comparison, and solar savings potential for Illinois homeowners.
Illinois Electricity Cost Overview
The average residential electricity rate in Illinois is $0.16 per kWh, which is 0% below the national average of $0.16/kWh.Illinois homeowners pay an average of $133 per month for electricity, based on typical usage of 833 kWh per month.
Electricity rates in this state have been trending upward over the past decade, following national patterns of rising energy costs. As rates continue to increase, solar panels become an increasingly attractive way for homeowners to lock in their energy costs and achieve long-term savings.
Major Electric Utilities in Illinois
| Utility Company | Avg Rate ($/kWh) | Customers | Est. Monthly Bill |
|---|---|---|---|
| ComEd (Commonwealth Edison) | $0.16 | 4M | $133 |
| Ameren Illinois | $0.14 | 1.2M | $117 |
| MidAmerican Energy | $0.13 | 200K | $108 |
Illinois has a deregulated electricity market, which means you can choose your electricity supplier. Shopping for a competitive rate can lower your bill.
How Solar Compares to Illinois Electricity Rates
Without Solar
- Monthly bill: $133
- Annual cost: $1,596
- 25-year cost: $39,900
- Rate trend: Rising 2-5% annually
With Solar
- Monthly savings: $109
- Annual savings: $1,308
- 25-year savings: $35,000
- Rate: Locked in for 25+ years
Electricity Rates FAQ - Illinois
The average residential electricity rate in Illinois is $0.16 per kilowatt-hour (kWh), which is 0% below the national average of $0.16/kWh. The average monthly electric bill is approximately $133.
With solar panels, Illinois homeowners can reduce their electricity costs by approximately 82%, saving around $109 per month or $35,000 over 25 years. The 30% federal tax credit further reduces the upfront cost.
The largest electric utilities in Illinois include ComEd (Commonwealth Edison), Ameren Illinois, MidAmerican Energy. Rates vary between utilities, so your exact cost depends on your provider and usage.
Yes, electricity rates in Illinois have been increasing over time, following national trends of 2-5% annual increases. This upward trend makes solar panels an increasingly attractive investment since they lock in your energy costs for 25+ years.
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