Iowa electricity rates (August 2026)

Average residential and commercial electricity prices in Iowa from EIA's monthly utility survey, with the trend, the largest utilities and what power costs a typical homeowner.

Residential rate

17.06¢

▲ 10.2% vs a year agoper kWh, August 2026; ranks 23 of 51 (1 = highest)

Commercial rate

14.15¢

per kWh, August 2026

Average home bill

$120

per month over the last 12 months, about 848 kWh

U.S. residential average

18.16¢

Iowa is 6% below the U.S. average.

Find your utility's rate by ZIP

Iowa vs U.S. residential rate

Cents per kWh by month, last 36 months.

Last 12 months in Iowa

Month	Residential	Commercial	U.S. residential	Avg kWh	Avg bill
August 2026	17.06¢	14.15¢	18.16¢	872	$149
July 2026	15.99¢	13.27¢	18.31¢	1,209	$193
June 2026	15.93¢	12.79¢	18.34¢	856	$136
May 2026	14.14¢	10.58¢	18.44¢	694	$98
April 2026	13.86¢	10.27¢	18.86¢	666	$92
March 2026	13.41¢	10.34¢	18.60¢	808	$108
February 2026	12.72¢	10.74¢	17.65¢	872	$111
January 2026	12.82¢	10.52¢	17.45¢	1,079	$138
December 2025	12.48¢	10.06¢	17.11¢	980	$122
November 2025	13.42¢	10.26¢	17.77¢	671	$90
October 2025	13.36¢	10.24¢	17.95¢	707	$94
September 2025	14.67¢	11.43¢	18.05¢	761	$112

Largest utilities in Iowa

Residential rates for the biggest utilities in Iowa that report monthly to EIA, ordered by number of homes served, for August 2026.

Utility	Type	Rate	Avg kWh	Avg bill	Homes
MidAmerican Energy Co	Investor Owned	15.23¢	781	$119	646,536
Interstate Power and Light Co	Investor Owned	21.48¢	897	$193	419,914
Amana Society Service Co	Investor Owned	21.52¢	1,079	$232	705

What electricity adds to owning a home in Iowa

A typical Iowa home is valued at $236,623 (Zillow). With 10% down at this week's 7.24% 30-year rate, principal and interest come to about $1,451 a month. The average electric bill of $120 adds about 8% on top of that, or $1,445 a year. See Iowa property tax and closing costs or run the monthly payment.

Bills follow the seasons: in Iowa the highest-use month of the last year averaged 1,209 kWh per home and the lowest 666 kWh. Budget for the expensive months, not the average.

Common questions

What is the average electricity rate in Iowa?

Homes in Iowa paid an average of 17.06 cents per kWh in August 2026, 6% below the U.S. average of 18.16 cents (EIA Form 861M).

How much is the average electric bill in Iowa?

Over the last 12 months the average Iowa home used about 848 kWh a month and paid about $120 a month.

Have Iowa electricity rates gone up?

The residential rate is 10.2% higher than in August 2025, when it was 15.48 cents per kWh.

What do businesses pay for electricity in Iowa?

Commercial customers in Iowa paid 14.15 cents per kWh in August 2026.

Electricity rates in all statesRanked table and ZIP lookup Iowa buying costsProperty tax, transfer tax and closing costs Iowa buyer programsDown payment help where you live

Sources: U.S. Energy Information Administration (EIA), Form EIA-861M monthly sales and revenue (state and utility data, latest month August 2026; EIA marks recent months preliminary and may revise them); ZIP-to-utility map: OpenEI, U.S. Electric Utility Companies and Rates: Look-up by Zip Code (2024), CC BY 4.0. Rates are average revenue per kWh (total bill divided by kWh sold), so they include fixed and delivery charges. EIA posts each month about eight weeks after it ends; this page checks for new data every morning.