States › Illinois › January 2026
Illinois electricity prices, January 2026
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In January 2026, residential customers in Illinois paid an average of 16.36¢ per kilowatthour, up 3.7% on the same month a year earlier (15.78¢). The US average for the month was 17.45¢; Illinois was 6.2% below that. It ranked 20th highest among the 50 states and the District of Columbia.
Residential sales were 4,398,188 MWh, down 1.3% on a year earlier, and the average residential bill for the month was $132.88 on 812 kWh. Weather moves monthly sales far more than prices do, so bills swing with the season.
EIA marks this month as preliminary. Preliminary months come from the Form EIA-861M sample and are revised when the annual census is complete.
Average price is revenue divided by sales for the sector and year; it is not a tariff rate. Reliability figures are as reported by utilities to EIA on Form 861 and may use different calculation methods. Monthly figures come from the Form EIA-861M sample and are revised when EIA finalises the year.
Price by sector
| Sector | Jan 2026 | Jan 2025 | Change | US, Jan 2026 |
|---|---|---|---|---|
| Residential | 16.36¢ | 15.78¢ | +3.7% | 17.45¢ |
| Commercial | 12.28¢ | 11.86¢ | +3.5% | 13.64¢ |
| Industrial | 10.27¢ | 10.11¢ | +1.6% | 9.29¢ |
| All sectors | 13.16¢ | 12.75¢ | +3.2% | 14.17¢ |
Sales and customers
| Measure | Jan 2026 | Jan 2025 | Change |
|---|---|---|---|
| Residential sales | 4.4 TWh | 4.5 TWh | -1.3% |
| Sales, all sectors | 12.1 TWh | 12.2 TWh | -1.5% |
| Residential customers | 5,414,532 | 5,353,277 | +1.1% |
| Average residential bill | $132.88 | $131.27 | +1.2% |
| Average residential use, kWh | 812 | 832 | -2.4% |
| US residential price | 17.45¢ | 15.94¢ | +9.5% |
The two years to January 2026
Illinois residentialUS residential
Questions and answers
What was the average electricity price in Illinois in January 2026?
16.36¢ per kilowatthour for residential customers, 12.28¢ for commercial and 10.27¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 15.78¢ in January 2025, a change of +3.7%. Residential sales changed by -1.3% over the same period.
What was the average residential bill that month?
$132.88, on average use of 812 kWh. This is residential revenue divided by residential customers for the month.
Provenance
Source: U.S. Energy Information Administration, Form EIA-861M sales and revenue workbook (state by sector and month), status "Preliminary" for this month, series published through July 2026. Public domain. Price = revenue ÷ sales; bill = residential revenue ÷ residential customers. Utility-level annual figures are on the Illinois page.