IllinoisLocal --:--Sun now --Daylight --
Commonwealth Edison Co
Commonwealth Edison Co served 3,020,130 residential customers in Illinois in 2025 (55.7% of the state's residential customers), the 1st largest of 77 utilities reporting there. Bundled 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
- 606 kWh
- At 17.71¢/kWh
- $107
Price ruler0 to 50¢ per kWh
Where 17.71¢ sits.
Commonwealth Edison Co averaged 17.71¢ per kWh against a Illinois residential average of 17.69¢: 0.1% above the state figure. Among the 4 investor owned utilities in Illinois with bundled residential sales, it ranks 3rd from the lowest price.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average Commonwealth Edison Co home used 608 kWh a month at 13.23¢ and paid $80.51. In 2025 it used 606 kWh at 17.71¢ and paid $107: the price per kWh is up 33.8%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 13.23 | 17.71 |
| Use, kWh a month | 608 | 606 |
| Bill, US$ a month | 80.51 | 107.32 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 3,020,130 | 21,959,442 | 17.71 |
| Commercial | 241,249 | 8,519,021 | 15.13 |
| Industrial | 184 | 1,685,672 | 8.94 |
Who else is on the line
Homes are one class.
Homes took 68.3% 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
- 24.2installations 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 | 17.71 | ¢/kWh |
| Illinois average price | 17.69 | ¢/kWh |
| Difference from state average | 0.1 | % |
| Price change over 5 years | 33.8 | % |
| Typical monthly use | 606 | kWh |
| Typical monthly bill | 107.32 | US$ |
| Residential customers | 3,020,130 | accounts |
| Share of IL residential customers | 55.7 | % |
| Size rank in IL | 1 of 77 | by customers |
| Price rank, investor owned peers | 3 of 4 | 1 = lowest |
Rate plans on fileOpenEI URDB
8 active plans.
- Time-of-use
- 0more than one energy period within a month
- Seasonal only
- 8price changes by month, not by hour
- Median fixed charge
- $18.08US dollars per month
Active residential plans: not ended, started within the last 5 years, latest version of each plan name. Time-of-use means more than one energy period within a single month; plans whose price changes only by season are counted as seasonal.