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Commonwealth Edison Co
Commonwealth Edison Co served 733,794 residential customers in Illinois in 2025 (13.5% of the state's residential customers), the 1st largest of 77 utilities reporting there. Delivery-only service; ownership: investor owned; balancing authority PJM.
The meter, one average month.
Scroll to run 30 days of Commonwealth Edison Co's average residential use through a five-dial register.
- Used so far
- 688 kWh
- At 8.89¢/kWh
- $61.15
Price ruler0 to 50¢ per kWh
Where 8.89¢ sits.
This page covers delivery-only service, which is only part of a household's bill, so its 8.89¢ is not compared with the Illinois bundled average of 17.69¢. Both are drawn for scale only.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average Commonwealth Edison Co home used 701 kWh a month at 6.18¢ and paid $43.31. In 2025 it used 688 kWh at 8.89¢ and paid $61.15: the price per kWh is up 43.8%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 6.18 | 8.89 |
| Use, kWh a month | 701 | 688 |
| Bill, US$ a month | 43.31 | 61.15 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 733,794 | 6,056,968 | 8.89 |
| Commercial | 161,260 | 21,252,000 | 5.27 |
| Industrial | 1,794 | 26,790,313 | 2.71 |
| Transportation | 2 | 528,251 | 2.73 |
Who else is on the line
Homes are one class.
Homes took 11.1% of the electricity Commonwealth Edison Co sold in Illinois in 2025.
Rooftop solar on its linesnet metering
73,159 roofs.
- Residential net-metered PV
- 73,159installations reported for 2025
- Capacity
- 552.3 MWresidential, net metered
- Per 1,000 homes
- 99.7installations per 1,000 residential customers
Service territoryEIA-861
24 counties.
BooneBureauCarrollCookDeKalbDuPageFordGrundyJo DaviessKaneKankakeeKendallLaSalleLakeLeeLivingstonMarshallMcHenryOgleStephensonWhitesideWillWinnebagoWoodford
Counties in Illinois where Commonwealth Edison Co reported serving customers in 2025 (24 in all; up to 24 listed).
EIA-8612025Utility 4110
The filing, line by line.
| Measure | Value | Unit |
|---|---|---|
| Average price | 8.89 | ¢/kWh |
| Illinois average price | 17.69 | ¢/kWh |
| Price change over 5 years | 43.8 | % |
| Typical monthly use | 688 | kWh |
| Typical monthly bill | 61.15 | US$ |
| Residential customers | 733,794 | accounts |
| Share of IL residential customers | 13.5 | % |
| Size rank in IL | 1 of 77 | by customers |
Rate plans on fileOpenEI URDB
None shown for this page. Plan counts appear once per utility, on its largest state's bundled page; how plans are counted.