Rates by state / Illinois / Great American Power, LLC
Retail Power Marketer · 1,528 residential customers
Great American Power, LLC electricity rates
Residential customers paid an average of 19.1¢ per kWh in 2025, 2% above the Illinois average of 18.8¢ for the latest 12 months.
Great American Power, LLC 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
19.1¢/kWh
2025, all residential revenue ÷ kWh
Average bill
$111/mo
At 582 kWh a month
1-year change
+3.7%
5 years: +15.2%
Average rate by year
202016.6¢
202116.4¢
202217.1¢
202317.5¢
202418.4¢
202519.1¢
Great American Power, LLC bill at different usage levels
Estimated monthly bill at Great American Power, LLC's 2025 average rate of 19.1¢ per kWh. Actual bills vary with your plan, fixed charges and taxes.
| Monthly use | Great American Power, LLC | Illinois average |
|---|---|---|
| 500 kWh (about average here) | $96 | $94 |
| 750 kWh | $143 | $141 |
| 1,000 kWh | $191 | $188 |
| 1,500 kWh | $287 | $282 |
| 2,000 kWh | $383 | $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¢ |
Great American Power, LLC: common questions
- How much does Great American Power, LLC charge per kWh?
- Great American Power, LLC residential customers paid an average of 19.1¢ per kWh in 2025, counting all charges, according to EIA Form 861 data. This is an estimate: Great American Power, LLC reports only part of the bill, so the Illinois average for the other part is added.
- What is the average Great American Power, LLC electric bill?
- The average Great American Power, LLC household used 582 kWh a month in 2025, which works out to about $111 a month at the average rate.
- Is Great American Power, LLC cheaper than other utilities in Illinois?
- Great American Power, LLC's average rate is 2% above the Illinois average of 18.8¢. 30 of 77 utilities in Illinois have a lower average rate.
- Did Great American Power, LLC raise rates?
- Great American Power, LLC's average residential rate changed +3.7% from 2024 to 2025 and +15.2% since 2020.
- Is my Great American Power, LLC 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 Great American Power, LLC's average.
Got a Great American Power, LLC bill?
Check my billSource: U.S. EIA Form EIA-861, 2025 final data.