Illinois vs Iowa: Electricity Rates & Average Bills
Side-by-side residential bills, cents-per-kWh, usage and 12-month trends — June 2026 EIA data.
Data through June 2026
EIA-826, verified Oct 11, 2026
The average residential bill in Illinois ($142.84/mo) runs $6.37/mo (5%) higher than Iowa ($136.46/mo).
Illinois bill$142.84/mo#33 highest of 51
Iowa bill$136.46/mo#35 highest of 51
US context$164.05/mostates median
The numbers, side by side
Latest month from EIA residential retail-sales data, plus each state's rank among tracked states.
| Measure | Illinois | Iowa |
|---|---|---|
| Avg monthly bill | $142.84 | $136.46 |
| Price per kWh | 19.89¢ | 15.93¢ |
| Typical usage | 718 kWh/mo | 856 kWh/mo |
| Bill rank | Highest: #33 · Price: #16 | Highest: #35 · Price: #29 |
| Bill, 12-mo change | −22.6% | −21.2% |
Illinois bill trend
Average residential bill, last 12 months.
Iowa bill trend
Average residential bill, last 12 months.
Common questions
Is Illinois or Iowa more expensive for electricity?
Illinois is — the average residential bill there is $6.37/month higher than Iowa's ($136.46/month).
How much bigger is Illinois's bill than Iowa's?
About 5% higher — $142.84 vs $136.46 per month in the latest EIA data.
Bill = residential revenue ÷ customers; price = revenue ÷ sales. See the methodology and each state's page: Illinois · Iowa.