Rates by state / Illinois / Constellation NewEnergy, Inc
Retail Power Marketer · 125,423 residential customers
Constellation NewEnergy, Inc electricity rates
Residential customers paid an average of 18.3¢ per kWh in 2025, 3% below the Illinois average of 18.8¢ for the latest 12 months.
Constellation NewEnergy, Inc reports the energy (supply) part of the bill only. The rate above adds the Illinois average for the other part, so treat it as an estimate.
Average rate
18.3¢/kWh
2025, all residential revenue ÷ kWh
Average bill
$126/mo
At 687 kWh a month
1-year change
+0.8%
5 years: +40.7%
Average rate by year
202013.0¢
202113.0¢
202215.0¢
202317.7¢
202418.1¢
202518.3¢
Constellation NewEnergy, Inc bill at different usage levels
Estimated monthly bill at Constellation NewEnergy, Inc's 2025 average rate of 18.3¢ per kWh. Actual bills vary with your plan, fixed charges and taxes.
| Monthly use | Constellation NewEnergy, Inc | Illinois average |
|---|---|---|
| 500 kWh | $91 | $94 |
| 750 kWh (about average here) | $137 | $141 |
| 1,000 kWh | $183 | $188 |
| 1,500 kWh | $274 | $282 |
| 2,000 kWh | $366 | $376 |
Other utilities in Illinois
| Utility | Customers | Rate |
|---|---|---|
| Commonwealth Edison Co | 3,753,924 | 17.7¢ |
| Ameren Illinois Company | 1,062,810 | 16.7¢ |
| MC Squared Energy Services, LLC | 263,681 | 17.0¢ |
| Homefield Energy | 147,108 | 19.5¢ |
| Reliant Energy Northeast LLC | 142,167 | 20.8¢ |
| MidAmerican Energy Co | 73,481 | 10.0¢ |
| City of Springfield - (IL) | 59,366 | 13.1¢ |
| City of Naperville - (IL) | 57,225 | 14.6¢ |
Constellation NewEnergy, Inc: common questions
- How much does Constellation NewEnergy, Inc charge per kWh?
- Constellation NewEnergy, Inc residential customers paid an average of 18.3¢ per kWh in 2025, counting all charges, according to EIA Form 861 data. This is an estimate: Constellation NewEnergy, Inc reports only part of the bill, so the Illinois average for the other part is added.
- What is the average Constellation NewEnergy, Inc electric bill?
- The average Constellation NewEnergy, Inc household used 687 kWh a month in 2025, which works out to about $126 a month at the average rate.
- Is Constellation NewEnergy, Inc cheaper than other utilities in Illinois?
- Constellation NewEnergy, Inc's average rate is 3% below the Illinois average of 18.8¢. 27 of 77 utilities in Illinois have a lower average rate.
- Did Constellation NewEnergy, Inc raise rates?
- Constellation NewEnergy, Inc's average residential rate changed +0.8% from 2024 to 2025 and +40.7% since 2020.
- Is my Constellation NewEnergy, Inc bill too high?
- Enter the kWh and amount from your bill in the free bill check on AverageElectricBill.com. It compares your use with similar Illinois homes and your rate with Constellation NewEnergy, Inc's average.
Got a Constellation NewEnergy, Inc bill?
Check my billSource: U.S. EIA Form EIA-861, 2025 final data.