State average · reviewed October 14, 2026
Why are Illinois electric bills so high?
In July 2026 the average residential price in Illinois was 19.22¢ per kWh, compared with 17.22¢ in July 2025 (+11.6%). The 2025 average monthly bill was $126.59 for 717 kWh. A single household can sit far from those averages because of usage, a rider, or a different utility.
EIA Electric Power Monthly, Table 5.6.A · Reviewed October 14, 2026
EIA-861 2025 average bill · Reviewed October 14, 2026
- July 2026
- 19.22¢
- +11.6% vs July 2025
- 2025 average bill
- $126.59
- 717 kWh a month
- 2025 average price
- 17.67¢
- 5,423,184 residential customers
Full service and delivery
Among distribution utilities in this extract, delivery-only residential customers were 23.0% of bundled plus delivery customers. A high share means many households buy energy from someone else. A low share means most reported customers are still full service. This is not a legal map of retail choice. Needs verification for a specific address.
Calculated from EIA-861 2025 residential customer counts · Reviewed October 14, 2026
Utilities
| Utility | Customers | Average shown | Price |
|---|---|---|---|
| ComEd | 3,753,924 | Full service | 17.71¢ |
| Direct Energy Services | 1,256,488 | Energy supply | 13.32¢ |
| Ameren Illinois | 1,062,810 | Full service | 16.70¢ |
| Constellation NewEnergy | 947,889 | Energy supply | 11.90¢ |
| MidAmerican Energy | 717,275 | Full service | 11.08¢ |
| Dynegy Energy Services | 707,239 | Energy supply | 9.00¢ |
| Reliant Energy Northeast | 544,961 | Energy supply | 12.91¢ |
| AEP Energy | 523,114 | Energy supply | 8.66¢ |
| Ambit Energy Holdings | 414,347 | Bundled retail service | 19.74¢ |
| Energy Harbor | 385,382 | Energy supply | 7.89¢ |
| Green Mountain Energy | 373,577 | Bundled retail service | 18.49¢ |
| Interstate Gas Supply | 268,015 | Energy supply | 11.51¢ |
| MC Squared Energy Services | 263,681 | Energy supply | 8.14¢ |
| CleanChoice Energy | 213,370 | Energy supply | 16.37¢ |
| SmartEnergy Holdings | 199,336 | Energy supply | 15.48¢ |
| Inspire Energy Holdings | 189,904 | Energy supply | 15.63¢ |
| Homefield Energy | 147,108 | Energy supply | 10.64¢ |
| Retail Energy Solutions | 141,343 | Bundled retail service | 17.08¢ |
| IDT Energy | 105,803 | Energy supply | 14.61¢ |
| Think Energy | 86,153 | Energy supply | 11.38¢ |
| Energy Services Providers | 85,245 | Energy supply | 13.01¢ |
| American Power & Gas | 80,821 | Energy supply | 12.57¢ |
| Just Energy Solutions | 77,940 | Energy supply | 11.33¢ |
| Atlantic Energy | 71,292 | Bundled retail service | 16.13¢ |
| Residents Energy | 68,022 | Energy supply | 17.34¢ |
| Clearview Electric | 63,468 | Energy supply | 14.61¢ |
| City of Springfield | 59,366 | Full service | 13.09¢ |
| City of Naperville | 57,225 | Full service | 14.61¢ |
| Nordic Energy Services | 50,706 | Energy supply | 15.56¢ |
| Titan Gas | 42,899 | Energy supply | 14.46¢ |
| Corn Belt Energy | 34,952 | Full service | 15.59¢ |
| Spark Energy, LP | 34,911 | Bundled retail service | 17.42¢ |
| Energy Plus Holdings | 31,834 | Energy supply | 15.33¢ |
| North American Power and Gas | 30,838 | Energy supply | 15.84¢ |
| Public Power LLC (CT) | 28,416 | Energy supply | 8.02¢ |
| Eligo Energy | 27,807 | Energy supply | 15.33¢ |
| Major Energy Electric Services | 27,382 | Energy supply | 12.96¢ |
| Southwestern Electric Coop | 24,414 | Full service | 15.37¢ |
| Southeastern IL Elec Coop | 22,607 | Full service | 14.80¢ |
| Vista Energy Marketing, L.P. | 21,630 | Energy supply | 15.21¢ |
Showing the 40 largest. The rest are linked from the utilities directory.
No residential customers in the 2025 extract
These 48 EIA respondents touch Illinois and reported no residential sales in the files used here. Their profiles stay online so an old link does not 404, and they are left out of the sitemap so they are not indexed as thin pages.
- Adams Electric Coop · Cooperative
- Cairo Public Utility Company · Municipal
- City of Albany - (IL) · Municipal
- City of Allendale- (IL) · Municipal
- City of Altamont - (IL) · Municipal
- City of Breese - (IL) · Municipal
- City of Bushnell - (IL) · Municipal
- City of Carlyle - (IL) · Municipal
- City of Carmi - (IL) · Municipal
- City of Casey - (IL) · Municipal
- City of Fairfield- (IL) · Municipal
- City of Farmer City - (IL) · Municipal
- City of Flora - (IL) · Municipal
- City of Geneseo - (IL) · Municipal
- City of Highland - (IL) · Municipal
- City of Marshall - (IL) · Municipal
- City of Mascoutah - (IL) · Municipal
- City of McLeansboro - (IL) · Municipal
- City of Metropolis - (IL) · Municipal
- City of Newton - (IL) · Municipal
- City of Oglesby - (IL) · Municipal
- City of Princeton - (IL) · Municipal
- City of Red Bud - (IL) · Municipal
- City of Rock Falls - (IL) · Municipal
- City of Roodhouse - (IL) · Municipal
- City of Sullivan - (IL) · Municipal
- City of Waterloo - (IL) · Municipal
- Clay Electric Coop Inc - (IL) · Cooperative
- Clinton County Elec Coop, Inc · Cooperative
- Enerstar Power Corp · Cooperative
- Illinois Municipal Elec Agency (IL) · Municipal Mktg Authority
- Illinois Rural Electric Coop · Cooperative
- M J M Electric Cooperative Inc · Cooperative
- McDonough Power Coop · Cooperative
- Monroe County Elec Coop, Inc · Cooperative
- Rural Electric Conven Coop - (IL) · Cooperative
- Southern Illinois Elec Coop · Cooperative
- Spoon River Electric Coop, Inc · Cooperative
- University of Illinois · State
- Village of Bethany - (IL) · Municipal
- Village of Chatham - (IL) · Municipal
- Village of Freeburg - (IL) · Municipal
- Village of Greenup - (IL) · Municipal
- Village of Ladd - (IL) · Municipal
- Village of Rantoul - (IL) · Municipal
- Village of Riverton - (IL) · Municipal
- Village of Winnetka - (IL) · Municipal
- Western Illinois Elec Coop · Cooperative
A bill at the July 2026 state average
| Monthly use | At 19.22¢/kWh |
|---|---|
| 500 kWh | $96.10 |
| 750 kWh | $144.15 |
| 1,000 kWh | $192.20 |
| 1,500 kWh | $288.30 |
| 2,000 kWh | $384.40 |
This uses the statewide average, not your utility's tariff. Fixed charges make low-use bills diverge. Needs verification against the bill.
Regulator and assistance
Investor-owned base rates are usually set in a public docket. Municipal and cooperative rates may be set by a city or a co-op board instead. Which body sets this utility's rates needs verification.
LIHEAP contacts for Illinois are on the federal list. A utility's own discount needs verification.
Questions
Why are Illinois electric bills so high?
In July 2026 the average residential price in Illinois was 19.22¢ per kWh, compared with 17.22¢ in July 2025 (+11.6%). The 2025 average monthly bill was $126.59 for 717 kWh. A single household can sit far from those averages because of usage, a rider, or a different utility.
Who regulates electric rates in Illinois?
Illinois Commerce Commission publishes orders and pending dockets. Investor-owned base rates are usually set in a public docket. Municipal and cooperative rates may be set by a city or a co-op board instead. Which body sets this utility's rates needs verification.
What help is available in Illinois?
LIHEAP is the federal bill-assistance program. State contacts are listed by HHS. Utility discounts need verification.