Electricity rates in Iowa: 14.13¢ per kWh
Homes in Iowa paid an average of 14.13¢ per kilowatt-hour from August 2025 to July 2026, 21% below the U.S. average of 17.99¢. That is the 15th-lowest of 51, between South Dakota (14.20¢) and Washington (14.12¢).
The average Iowa home used 856 kWh a month — the 24th-least of the 51 — so its typical bill came to $121 a month, the 9th-lowest. At the national rate the same 856 kWh would cost $33 more a month.
In July 2026, the latest month published, the Iowa rate was 15.99¢.
| Rank | State | Average rate | Latest month | Average home use | Average bill |
|---|---|---|---|---|---|
| 34 | North Carolina | 14.77¢ | 15.16¢ | 1,029 kWh/mo | $152/mo |
| 36 | South Dakota | 14.20¢ | 15.37¢ | 986 kWh/mo | $140/mo |
| 37 | Iowa | 14.13¢ | 15.99¢ | 856 kWh/mo | $121/mo |
| 38 | Washington | 14.12¢ | 14.71¢ | 932 kWh/mo | $132/mo |
| 39 | Wyoming | 14.01¢ | 14.36¢ | 817 kWh/mo | $114/mo |
What a month of electricity costs in Iowa
At 14.13¢ per kWh, every extra 100 kWh a month adds $14.13 to the monthly bill and $170 to the year. The table runs from half to twice the Iowa average home's 856 kWh, using the same calculation as the calculator above.
| Monthly use | Per month | Per year | vs. U.S. rate (17.99¢) |
|---|---|---|---|
| 450 kWh (half the average) | $64 | $763 | −$17 |
| 856 kWh (state average) | $121 | $1,451 | −$33 |
| 1,300 kWh (1.5× the average) | $184 | $2,204 | −$50 |
| 1,700 kWh (twice the average) | $240 | $2,883 | −$66 |
Iowa electricity through the year
The average Iowa home's bill peaked at about $193 in July 2026 and was lowest, about $90, in November 2025. Use ran from 666 kWh in April 2026 to 1,209 kWh in July 2026, 1.8 times as much.
The rate moved too, from 12.60¢ in December 2025 to 15.99¢ in July 2026. A monthly rate includes that month's fuel and seasonal charges, which is why the calculator uses the 12-month average for a yearly estimate.
| Month | Rate | Use per home | Bill per home |
|---|---|---|---|
| Aug 2025 | 15.58¢ | 982 kWh | $153 |
| Sep 2025 | 14.79¢ | 757 kWh | $112 |
| Oct 2025 | 13.48¢ | 703 kWh | $95 |
| Nov 2025 | 13.55¢ | 667 kWh | $90 |
| Dec 2025 | 12.60¢ | 975 kWh | $123 |
| Jan 2026 | 12.83¢ | 1,079 kWh | $138 |
| Feb 2026 | 12.74¢ | 871 kWh | $111 |
| Mar 2026 | 13.42¢ | 808 kWh | $108 |
| Apr 2026 | 13.86¢ | 666 kWh | $92 |
| May 2026 | 14.14¢ | 694 kWh | $98 |
| Jun 2026 | 15.93¢ | 856 kWh | $136 |
| Jul 2026 | 15.99¢ | 1,209 kWh | $193 |
Largest electricity providers in Iowa
Among the 10 largest providers listed, average residential rates in 2024 ran from 10.42¢ at Cedar Falls Utilities to 17.90¢ at Interstate Power and Light Co. On the average Iowa home's 856 kWh that is a difference of $64 a month.
These are 2024 figures, the latest final year. The Iowa average was 13.40¢ that year and 14.13¢ over the last 12 months, up 5% — compare the providers with each other, not with today's average.
Together they serve 82% of Iowa's 1,448,818 residential customers. The rates are each company's residential revenue divided by kilowatt-hours sold, so customer charges are included; a plan or tier can still differ.
| Provider | Type | Homes served | Average rate | Use per home |
|---|---|---|---|---|
| MidAmerican Energy Co | Investor-owned | 632,436 | 11.01¢ | 792 kWh/mo |
| Interstate Power and Light Co | Investor-owned | 417,153 | 17.90¢ | 714 kWh/mo |
| Linn County REC | Cooperative | 30,323 | 14.23¢ | 850 kWh/mo |
| City of Ames | Municipal | 24,979 | 12.10¢ | 570 kWh/mo |
| Eastern Iowa Light & Power Coop | Cooperative | 20,749 | 13.56¢ | 1,134 kWh/mo |
| Cedar Falls Utilities | Municipal | 17,772 | 10.42¢ | 786 kWh/mo |
| Midland Power Coop | Cooperative | 11,939 | 13.60¢ | 1,407 kWh/mo |
| Maquoketa Valley Rrl Elec Coop | Cooperative | 11,051 | 13.76¢ | 1,059 kWh/mo |
| Board of Water Electric & Communications | Municipal | 10,123 | 12.63¢ | 808 kWh/mo |
| Iowa Lakes Electric Coop | Cooperative | 9,714 | 13.78¢ | 1,444 kWh/mo |