Power Out Map

Investor Owned utility · · IL

Commonwealth Edison Co

In 2025, the average Commonwealth Edison Co customer in Illinois was without power for 77 minutes (1.3 hours), 42% less than the median Illinois utility.

Outage minutes per customer 77min 2025, including major storms
Excluding major storm days 38min The everyday reliability of the network
Outages per customer a year 0.66 SAIFI, 2025
Residential price 17.7¢/kWh 2025 · Illinois median 15.5¢

Reliability

Minutes in the dark, year by year

Average minutes without power per customer in Illinois (SAIDI), with and without major event days, against the median Illinois utility.

0 100 200 300 400 20182019202020212022202320242025 All days 77 No major storms 38 IL median 132

Price

Residential cents per kWh

Revenue from full-service residential customers divided by their sales, as reported to the EIA.

0.0 5.0 10.0 15.0 20.0 20182019202020212022202320242025 This utility 17.7 IL median 15.5

Territory

Counties served

Counties where Commonwealth Edison Co reports customers. Open one for its full outage history.

Illinois

BooneBureauCarrollCookDeKalbDuPageFordGrundyJo DaviessKaneKankakeeKendallLaSalleLakeLeeLivingstonMarshallMcHenryOgleStephensonWhitesideWillWinnebagoWoodford

Source: U.S. Energy Information Administration, Form EIA-861, 2018–2025. Reliability uses the IEEE 1366 standard where the utility reports it. Residential customers in 2025: 3,753,924.