Alliant Energy Iowa electric rates
Updated October 7, 2026 · Source: EIA Form 861 (2024)
Investor-owned utility serving 417,153 homes in Iowa.
Your rate
Estimate your bill
It's on your bill, usually near the top. Starting at 714 kWh, the average for Alliant Energy Iowa homes.
This is an estimate. Uses the EIA average rate with a nominal $12 fixed charge; real tariffs have tiers, time-of-use pricing and riders. Your bill also includes taxes and fuel adjustments that change month to month.
Rate cases
No rate case on file for Alliant Energy Iowa right now. We check regulator dockets weekly; last check October 7, 2026. Know of one?
Rate history
Alliant Energy Iowa's average rate is up 8% since 2020, versus +28% for the U.S. average.
Average residential revenue per kWh, EIA-861. Includes delivery and, where the utility sells it, supply.
Rebates for heat pumps, batteries and EV chargers
We haven't found utility-level rebates for Alliant Energy Iowa yet. Check Iowa programs or read what's left after the federal credits ended.
About Alliant Energy Iowa
- Legal name
- Interstate Power and Light Co (Alliant Energy)
- Ownership
- Investor Owned
- Homes served
- 417,153 residential customers (2024)
- Grid operator
- MISO
- Retail choice
- No — one bundled rate
- Data
- EIA-861 2024, released October 7, 2026; rate cases checked October 7, 2026
Other utilities in Iowa
- MidAmerican Energy 11.01¢
- Linn County REC 14.23¢
- City of Ames 12.1¢
- Eastern Iowa Light & Power Coop 13.56¢
- Cedar Falls Utilities 10.42¢
- Midland Power Coop 13.6¢
- Maquoketa Valley Rrl Elec Coop 13.76¢
- Board of Water Electric & Communications 12.63¢