Illinois
Electricity costs 17.69¢/kWh residential, ranking #35 cheapest in the US. 15.3% renewable energy.
17.69¢
Residential Rate
#35
Price Rank (Cheapest)
15.3%
Renewable Energy
#27
Renewable Rank
Electricity Rates
| Residential | 17.69¢/kWh |
| Commercial | 13.07¢/kWh |
| Industrial | 10.14¢/kWh |
| National Average | 17.92¢/kWh |
Electricity Generation Mix
Nuclear
53.6%
Natural Gas
16.3%
Coal
14.6%
Wind
13.5%
Solar
1.7%
Other
0.4%
Frequently Asked Questions
The residential electricity rate in Illinois is 17.69¢ per kilowatt-hour, ranking #35 cheapest out of 51 states. The national average is 17.92¢/kWh, making Illinois 1% below average.
15.3% of Illinois's electricity comes from renewable sources, ranking #27 among all states. The largest generation source is Nuclear at 53.6%.
Illinois's residential rate of 17.69¢/kWh is 1% below the national average of 17.92¢/kWh. Commercial rates are 13.07¢/kWh and industrial rates are 10.14¢/kWh.
Electricity rates from EIA retail sales data. Prices in cents per kilowatt-hour. Generation mix from EIA electric power operational data. Rankings based on residential rates.
For this entity, the underlying data on this page comes from the EIA Open Data API and State Electricity Profiles. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to the EIA Open Data API and State Electricity Profiles; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Energy Information Administration, 2026.