Rate comparison

How this price compares

Ranked by price against the 24 utilities reporting residential rates in Iowa, Interstate Power and Light Co comes in last, the highest reported average price in the state. The state's range runs from North West Rural Electric Coop at 9.26¢ to Interstate Power and Light Co at 17.90¢, so where a household sits inside Iowa depends far more on which utility serves it than on the statewide average alone.

Against the 2 other investor owned utilities reporting in Iowa, whose customer-weighted average is 11.02¢, Interstate Power and Light Co is far above its own ownership class within the state (+62.5%).

State price distribution

Territory and usage

Scale and consumption

Interstate Power and Light Co reported 417.2K residential customers, ranking 2nd of 24 utilities in Iowa by customers served and covering 33.6% of the state's reported residential customers.

Dividing reported residential sales by customers served gives about 8,566 kWh per customer per year - -32.6% against the Iowa median of 12,703 kWh , implying a typical annual bill near $1,534.

State peers

Every utility reporting in Iowa

All 24 utilities reporting bundled residential service in Iowa, largest first, with Interstate Power and Light Co marked. The named companies either side of it are the ones a household in this state might otherwise be served by.

For generation mix and price history statewide, see electricity rates in Iowa.

Ownership class peers

Investor Owned utilities with similar residential prices

Beyond Iowa, these indexable investor owned utilities report the closest residential averages to Interstate Power and Light Co in the same Form 861 release. Peer sets differ by ownership class and price, not a shared national list.

FAQ

Common questions about Interstate Power and Light Co rates

How much does Interstate Power and Light Co charge per kWh?

Interstate Power and Light Co reported an average residential price of 17.90¢ per kWh across its bundled residential customers in the 2024 EIA Form 861 release. That is an annual average across all its residential customers, not a rate schedule, so an individual bill depends on the tariff, usage pattern and season.

Is Interstate Power and Light Co expensive compared with the rest of Iowa?

Its average residential price is far above the Iowa customer-weighted average of 13.67¢ per kWh, a difference of +31.0%. The state figure is weighted by customers across the 24 utilities reporting residential service in Iowa.

What is the average electricity bill for Interstate Power and Light Co customers?

Dividing reported residential sales by residential customers gives about 8,566 kWh per customer per year. At the reported average price that implies roughly $1,534 a year, or about $128 a month. This is RateWatt's arithmetic on two EIA columns, not a figure EIA publishes.

Who owns Interstate Power and Light Co?

EIA classifies Interstate Power and Light Co as Investor Owned, a shareholder-owned company whose retail rates are set through a state regulatory commission. Nationally, the customer-weighted average across Investor Owned utilities was 18.37¢ per kWh in the 2024 Form 861 release.

Limitations

What this page does and does not tell you

• An average across bundled residential customers for the year, revenue divided by sales, not a rate schedule.
• Form 861 presence is not evidence of availability at an address or of customer choice.

See our methodology and why energy prices vary .

Source: U.S. Energy Information Administration (EIA), Form 861 annual electric power industry report, 2024 release. Retrieved and formatted by RateWatt.