How Interstate Power and Light compares with the utilities next door
| Utility | 2024 ¢/kWh | Customers | Δ vs Interstate Power and Light, ¢/kWh | $/yr difference |
|---|---|---|---|---|
| North West Rural Electric Coop | 9.26 | 9,400 | -8.64 | -$933 |
| Cedar Falls Utilities | 10.42 | 17,772 | -7.48 | -$808 |
| MidAmerican Energy Co | 11.01 | 632,436 | -6.89 | -$744 |
| City of Ames | 12.10 | 24,979 | -5.81 | -$627 |
| Board of Water Electric & Communications | 12.63 | 10,123 | -5.27 | -$569 |
| East-Central Iowa Rural Elec Coop | 13.28 | 7,368 | -4.62 | -$499 |
| Eastern Iowa Light & Power Coop | 13.56 | 20,749 | -4.35 | -$469 |
| Midland Power Coop | 13.60 | 11,939 | -4.30 | -$465 |
| Maquoketa Valley Rrl Elec Coop | 13.76 | 11,051 | -4.15 | -$448 |
| Iowa Lakes Electric Coop | 13.78 | 9,714 | -4.12 | -$445 |
| Linn County REC | 14.23 | 30,323 | -3.68 | -$397 |
| Interstate Power and Light Co (this page) | 17.90 | 417,153 | — | — |
14 bundled utilities (≥5,000 customers) share at least one county with Interstate Power and Light. Showing the 11 cheapest. Positive $/yr = that utility's customers pay more than Interstate Power and Light customers at the same usage. Territories are fixed by address — these gaps measure cost differences between areas, not options you can pick between.
Where Interstate Power and Light customers pay more (county benchmark)
| County | Cheapest utility in county | Their ¢/kWh | Interstate Power and Light premium, $/yr |
|---|---|---|---|
| Appanoose | North West Rural Electric Coop | 9.26 | +$933 |
| Cherokee | North West Rural Electric Coop | 9.26 | +$933 |
| Clarke | North West Rural Electric Coop | 9.26 | +$933 |
| Clay | North West Rural Electric Coop | 9.26 | +$933 |
| Decatur | North West Rural Electric Coop | 9.26 | +$933 |
| Lucas | North West Rural Electric Coop | 9.26 | +$933 |
| Lyon | North West Rural Electric Coop | 9.26 | +$933 |
| O'Brien | North West Rural Electric Coop | 9.26 | +$933 |
Multiple utilities in one county means adjoining territories, not household choice — you cannot switch wires companies. Showing the 8 highest-premium counties of 84 served.
Rate trend and size
| Metric | 2023 | 2024 | Change |
|---|---|---|---|
| Average price, ¢/kWh | 17.86 | 17.90 | +0.2% |
| Residential customers | 414,637 | 417,153 | +0.6% |
Ownership: Investor Owned. Statewide context: Iowa electricity rates.
Supply vs delivery on a Interstate Power and Light bill
Iowa is a regulated retail market — Interstate Power and Light customers cannot choose a different supplier; rates are set in utility-commission proceedings. Official information: iub.iowa.gov.
Counties served (IA, EIA-861 2024)
Adair · Adams · Allamakee · Appanoose · Benton · Black Hawk · Boone · Bremer · Buchanan · Buena Vista · Butler · Carroll · Cass · Cedar · Cerro Gordo · Cherokee · Chickasaw · Clarke · Clay · Clayton · Clinton · Dallas · Davis · Decatur · Delaware · Des Moines · Dickinson · Dubuque · Emmet · Fayette · Floyd · Franklin · Greene · Grundy · Guthrie · Hamilton · Hancock · Hardin · Henry · Howard · Iowa · Jackson · Jasper · Jefferson · Johnson · Jones · Keokuk · Kossuth · Lee · Linn · Louisa · Lucas · Lyon · Madison · Mahaska · Marion · Marshall · Mitchell · Monroe · Montgomery · Muscatine · O'Brien · Osceola · Palo Alto · Pocahontas · Polk · Poweshiek · Ringgold · Scott · Sioux · Story · Tama · Taylor · Union · Van Buren · Wapello · Warren · Washington · Wayne · Webster · Winnebago · Winneshiek · Worth · Wright
Head-to-head comparisons
Questions people ask
- Is Interstate Power and Light Co more expensive than other Iowa utilities?
- Interstate Power and Light Co customers paid an average 17.90 cents/kWh in 2024 — 33% above the Iowa volume-weighted average of 13.49 cents (EIA-861, bundled residential service).
- Can I switch away from Interstate Power and Light Co?
- No — distribution territory is fixed by address and Iowa has no residential supplier shopping. Rate changes go through the state utility commission (iub.iowa.gov).
- How many customers does Interstate Power and Light Co have?
- 417,153 residential customers in Iowa in 2024 across 84 counties, per its EIA-861 federal filing. Ownership type: investor-owned.