Illinois · Investor Owned
MidAmerican Energy Co
9.99¢ per kWh, bundled, EIA-861 2025. Average bill $74.33 at 743.7 kWh a month, across 73,481 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 bundled service. Customer count: 73,481, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$99.90
9.99¢/kWh × 1,000 kWh. Bundled 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.
Other service rows
Delivery and bundled prices cover different charges, so they are listed separately.
| Row | ¢/kWh | Bill | kWh | Customers |
|---|---|---|---|---|
| Delivery only | — | — | — | 0 |
Annual history
| Year | ¢/kWh | Avg. bill | Avg. kWh | Customers |
|---|---|---|---|---|
| 2015 | 10.52¢ | $73.72 | 701.0 | 74,455 |
| 2016 | 10.66¢ | $77.65 | 728.6 | 74,298 |
| 2017 | 11.17¢ | $76.13 | 681.5 | 74,159 |
| 2018 | 10.41¢ | $77.76 | 747.3 | 73,933 |
| 2019 | 9.90¢ | $71.57 | 723.2 | 73,873 |
| 2020 | 9.63¢ | $69.35 | 720.4 | 73,949 |
| 2021 | 10.30¢ | $75.36 | 731.4 | 73,902 |
| 2022 | 10.45¢ | $77.36 | 740.6 | 73,704 |
| 2023 | 9.90¢ | $70.67 | 713.7 | 73,614 |
| 2024 | 9.99¢ | $71.15 | 712.0 | 73,564 |
| 2025 | 9.99¢ | $74.33 | 743.7 | 73,481 |
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
Henry, Mercer, Rock Island.
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