Electric utilities in Iowa
Utilities with at least 100,000 residential customers on a single 2025 filing. Sorted by average monthly bill. A bundled filing and a delivery filing for the same company are not added together.
| Utility | Filing | ¢/kWh | Avg. monthly bill | Customers |
|---|---|---|---|---|
| Interstate Power and Light Co | Bundled | 17.8 | $131 | 419,451 |
| MidAmerican Energy Co | Bundled | 11.2 | $93 | 639,558 |