Iowa data centers and electricity bills
Iowa ranks 18th of 51 on commercial sales growth and 18th on the amount added (+1.0 TWh). Over the same years the Iowa home price moved +10%, from 12.46 to 13.72 cents per kWh. Data centers are only part of Iowa commercial sales, and none of this shows cause.
Iowa commercial sales by year
Iowa commercial sales rose fastest in 2021, up 4.6% on 2020. Commercial customers are 23% of Iowa electricity sales in 2025.
Iowa commercial sales, GWh
- 12,072'15
- 12,291'16
- 12,135'17
- 12,418'18
- 12,310'19
- 11,606'20
- 12,135'21
- 12,470'22
- 12,601'23
- 12,815'24
- 13,310'25
Iowa sales and prices, 2015 to 2025
| Year | GWh | Change | Home ¢ | Business ¢ |
|---|---|---|---|---|
| 2015 | 12,072 | — | 11.63 | 8.92 |
| 2016 | 12,291 | +1.8% | 11.94 | 9.17 |
| 2017 | 12,135 | -1.3% | 12.34 | 9.46 |
| 2018 | 12,418 | +2.3% | 12.24 | 9.68 |
| 2019 | 12,310 | -0.9% | 12.46 | 9.99 |
| 2020 | 11,606 | -5.7% | 12.46 | 9.96 |
| 2021 | 12,135 | +4.6% | 12.73 | 10.17 |
| 2022 | 12,470 | +2.8% | 13.15 | 10.55 |
| 2023 | 12,601 | +1.0% | 13.31 | 10.33 |
| 2024 | 12,815 | +1.7% | 13.40 | 10.22 |
| 2025 | 13,310 | +3.9% | 13.72 | 11.05 |
Where Iowa stands
| Measure | Iowa | Rank |
|---|---|---|
| Commercial sales growth 2019-2025 | +8.1% | 18 of 51 |
| Commercial sales added | +1.00 TWh | 18 of 51 |
| Commercial share of sales 2025 | 22.7% | 50 of 51 |
| Home price change 2019-2025 | +10.1% | 50 of 51 |
Large-load tariffs for Iowa
None of the 15 entries on our list names Iowa. That does not mean Iowa has no large-load rules; the list is a sample from one source.
States near Iowa on commercial growth
Keep going
Sources
EIA Iowa sales and prices (CSV); EEI Iowa tariffs. Nominal prices.
Questions
Did data centers raise Iowa electricity bills?
This page cannot say. While the Iowa home price moved +10%, Iowa commercial sales rose 8% (2019-2025); fuel, wires and rate cases in Iowa also move prices.
How fast is Iowa commercial electricity use growing?
Iowa commercial sales grew 8.1% between 2019 and 2025, 18th among 51 places, and added +1.00 TWh.
Is Iowa data-center load published?
No open source gives Iowa data-center load alone, so Iowa commercial sales stand in as a proxy.