Illinois · Retail Power Marketer
Great American Power, LLC
10.30¢ per kWh, energy only, EIA-861 2025. Average bill $59.94 at 581.7 kWh a month, across 1,528 customers on that row.
Illinois averaged 17.67¢/kWh and $126.59 a month. The United States averaged 17.23¢/kWh and $150.68. State and national figures come from EIA's Average Bill file.
Revenue divided by sales, EIA-861 Sales to Ultimate Customers, 2025, released October 7, 2026. Texas wires utilities come from the Delivery Companies file. The price and bill use energy only service. Customer count: 1,528, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$103.00
10.30¢/kWh × 1,000 kWh. Energy only residential average, EIA-861 2025. The customer charge is already folded into this average, so it stands beside a tariff total rather than being added to it.
Annual history
| Year | ¢/kWh | Avg. bill | Avg. kWh | Customers |
|---|---|---|---|---|
| 2015 | — | — | — | — |
| 2016 | — | — | — | — |
| 2017 | — | — | — | — |
| 2018 | 10.89¢ | $21.61 | 198.5 | 9,221 |
| 2019 | 10.85¢ | $56.12 | 517.3 | 11,175 |
| 2020 | 10.58¢ | $58.05 | 548.7 | 7,529 |
| 2021 | 10.39¢ | $57.35 | 552.1 | 4,806 |
| 2022 | 10.29¢ | $56.97 | 553.5 | 3,226 |
| 2023 | 10.30¢ | $54.33 | 527.5 | 2,569 |
| 2024 | 10.35¢ | $56.80 | 549.1 | 1,989 |
| 2025 | 10.30¢ | $59.94 | 581.7 | 1,528 |
EIA-861, 2015–2025, using the same service type as the 2025 figure. A blank year means that service was not in the file.
Counties
EIA's 2025 service-territory file does not list counties for this utility.
EIA-861 Service Territory, 2025. A listed county is the county EIA recorded. It does not mean every address in the county is served. Open this utility in the bill calculator · Rate history tool