Illinois vs Wisconsin: 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 12, 2026
The average residential bill in Illinois ($142.84/mo) runs $16.91/mo (13%) higher than Wisconsin ($125.92/mo).
Illinois bill$142.84/mo#33 highest of 51
Wisconsin bill$125.92/mo#41 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 | Wisconsin |
|---|---|---|
| Avg monthly bill | $142.84 | $125.92 |
| Price per kWh | 19.89¢ | 19.56¢ |
| Typical usage | 718 kWh/mo | 644 kWh/mo |
| Bill rank | Highest: #33 · Price: #16 | Highest: #41 · Price: #17 |
| Bill, 12-mo change | −22.6% | −19.1% |
Illinois bill trend
Average residential bill, last 12 months.
Wisconsin bill trend
Average residential bill, last 12 months.
Common questions
Is Illinois or Wisconsin more expensive for electricity?
Illinois is — the average residential bill there is $16.91/month higher than Wisconsin's ($125.92/month).
How much bigger is Illinois's bill than Wisconsin's?
About 13% higher — $142.84 vs $125.92 per month in the latest EIA data.
Bill = residential revenue ÷ customers; price = revenue ÷ sales. See the methodology and each state's page: Illinois · Wisconsin.