Rates by state / Illinois / South Bay Energy Corp.
Retail Power Marketer · 84 residential customers
South Bay Energy Corp. electricity rates
Residential customers paid an average of 24.4¢ per kWh in 2025, 30% above the Illinois average of 18.8¢ for the latest 12 months.
South Bay Energy Corp. 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
24.4¢/kWh
2025, all residential revenue ÷ kWh
Average bill
$107/mo
At 441 kWh a month
1-year change
+16.4%
5 years: +58.9%
Average rate by year
202015.3¢
202117.2¢
202221.7¢
202317.3¢
202420.9¢
202524.4¢
South Bay Energy Corp. bill at different usage levels
Estimated monthly bill at South Bay Energy Corp.'s 2025 average rate of 24.4¢ per kWh. Actual bills vary with your plan, fixed charges and taxes.
| Monthly use | South Bay Energy Corp. | Illinois average |
|---|---|---|
| 500 kWh (about average here) | $122 | $94 |
| 750 kWh | $183 | $141 |
| 1,000 kWh | $244 | $188 |
| 1,500 kWh | $365 | $282 |
| 2,000 kWh | $487 | $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¢ |
| Constellation NewEnergy, Inc | 125,423 | 18.3¢ |
| MidAmerican Energy Co | 73,481 | 10.0¢ |
| City of Springfield - (IL) | 59,366 | 13.1¢ |
South Bay Energy Corp.: common questions
- How much does South Bay Energy Corp. charge per kWh?
- South Bay Energy Corp. residential customers paid an average of 24.4¢ per kWh in 2025, counting all charges, according to EIA Form 861 data. This is an estimate: South Bay Energy Corp. reports only part of the bill, so the Illinois average for the other part is added.
- What is the average South Bay Energy Corp. electric bill?
- The average South Bay Energy Corp. household used 441 kWh a month in 2025, which works out to about $107 a month at the average rate.
- Is South Bay Energy Corp. cheaper than other utilities in Illinois?
- South Bay Energy Corp.'s average rate is 30% above the Illinois average of 18.8¢. 63 of 77 utilities in Illinois have a lower average rate.
- Did South Bay Energy Corp. raise rates?
- South Bay Energy Corp.'s average residential rate changed +16.4% from 2024 to 2025 and +58.9% since 2020.
- Is my South Bay Energy Corp. 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 South Bay Energy Corp.'s average.
Got a South Bay Energy Corp. bill?
Check my billSource: U.S. EIA Form EIA-861, 2025 final data.