In July 2026, homes in Iowa paid an average of 15.99¢ per kWh, the 24th cheapest of the 50 states and DC and 12.7% below the U.S. average of 18.31¢.
That price is up 4.4% from a year earlier.
Over the past 12 months the average home in Iowa used 856 kWh a month, for an average bill of $121 (U.S.: $157).
About electricity in Iowa
Wind turbines generate most of Iowa's electricity, a larger share than in any other state, and Iowa produces more power than it uses.
- wind 59%
- coal 26%
- natural gas 12%
- other 4%
The Iowa Utilities Commission is the state agency that regulates electric utilities in Iowa.
Average electric bill in Iowa
Over the last 12 months the average Iowa home paid $121 a month for electricity, the 9th lowest of the 50 states and DC. In July 2026 the average bill was $193 for 1,209 kWh.
Over the last 12 months, homes in Iowa used the most electricity in July, when air conditioning drives usage up: an average of 1,209 kWh and a $193 bill. The lightest month was April, at 666 kWh and $92.
What would I pay?
| Monthly use | Per month | Per year |
|---|---|---|
| 500 kWh × 15.99¢ | $79.95 | $959 |
| 1,000 kWh × 15.99¢typical | $159.90 | $1,919 |
| 1,500 kWh × 15.99¢ | $239.85 | $2,878 |
| 2,000 kWh × 15.99¢ | $319.80 | $3,838 |
Estimate your own bill
Cost of electricity in Iowa by month
Businesses in Iowa paid 13.27¢ per kWh in July 2026 (the 25th cheapest for business power), and industrial users paid 9.99¢.
Electric companies in Iowa
25 utilities deliver electricity to homes in Iowa. The largest is MidAmerican Energy Co, serving 639,558 homes.
| Utility | Homes served | Avg. home rate |
|---|---|---|
| MidAmerican Energy Co | 639,558 | 11.21¢ |
| Interstate Power and Light Co | 419,451 | 17.77¢ |
| Corridor Energy Cooperative | 30,992 | 14.18¢ |
| City of Ames | 25,123 | 12.12¢ |
| Eastern Iowa Light & Power Coop | 20,472 | 14.81¢ |
| Cedar Falls Utilities | 17,746 | 11.56¢ |
| Midland Power Coop | 12,083 | 13.66¢ |
| Maquoketa Valley Rrl Elec Coop | 11,161 | 13.80¢ |
| Board of Water Electric & Communications | 10,105 | 12.89¢ |
| Iowa Lakes Electric Coop | 9,757 | 13.78¢ |
"Avg. home rate" is what each utility's full-service residential customers paid on average in 2025 (revenue ÷ kWh sold). Delivery-only utilities have no full-service rate.
Can you choose your electricity supplier in Iowa?
No. Households in Iowa buy electricity from the utility that serves their address. Rates are set by the state utility commission (for investor-owned utilities) or by the utility's own board (for co-ops and city-owned utilities).
Iowa compared with neighboring states
| State | Price per kWh | Avg. monthly bill (12 mo.) |
|---|---|---|
| Nebraska | 13.78¢ | $123 |
| South Dakota | 15.37¢ | $140 |
| Iowa | 15.99¢ | $121 |
| Missouri | 16.09¢ | $145 |
| Minnesota | 17.45¢ | $120 |
| Wisconsin | 19.06¢ | $124 |
| Illinois | 19.22¢ | $132 |
Iowa electricity FAQ
What is the average electric bill in Iowa?
The average home in Iowa paid $121 a month over the last 12 months, using 856 kWh. That is the 9th lowest of the 50 states and DC. In July 2026 alone, the average bill was $193.
How much does electricity cost per kWh in Iowa?
Homes paid an average of 15.99¢ per kWh in July 2026, 12.7% below the U.S. average of 18.31¢. Businesses paid 13.27¢ per kWh.
Which month has the highest electric bills in Iowa?
July, in the last 12 months of data: the average bill reached $193 (1,209 kWh), compared with $92 in April, the lowest month.
Can I choose my electricity provider in Iowa?
No. Households in Iowa buy electricity from the utility that serves their address, at rates set by regulators or the utility's board.
What are the largest electric companies in Iowa?
By number of residential customers in 2025: MidAmerican Energy Co (639,558), Interstate Power and Light Co (419,451), Corridor Energy Cooperative (30,992).
Latest IA electric rates, bills and usage: U.S. Energy Information Administration retail sales data (forms EIA-861M and EIA-861), latest month July 2026. Utilities and suppliers: EIA-861 (2025). Bills and usage are revenue and sales divided by customers. Last updated 2026-10-20.