Editing Commonwealth Edison (section)

{{Short description|Electric company in Illinois}}
{{About|ComEd in Illinois|ConEd in New York|Consolidated Edison}}
{{Infobox company
| name = Commonwealth Edison
| logo = ComEd logo.png
| logo_size = <!-- 220px -->
| type = [[Subsidiary]]
| foundation = {{start date and age|1907}}
| location = [[Chicago]], [[Illinois]], U.S.
| parent = [[Exelon]]
| key_people = Gil C. Quiniones ([[Chief executive officer|CEO]])
| operating_income = US$7.844 billion
| income_year = 2023
| homepage = {{URL|https://comed.com/}}
}}
'''Commonwealth Edison''', commonly known by [[syllabic abbreviation]] as '''ComEd''', is the largest electric utility in [[Illinois]], and the primary electric provider <!-- suppliers and distributors are not the same anymore -->in [[Chicago]] and much of Northern Illinois. Its service territory stretches roughly from  [[Iroquois County, Illinois|Iroquois County]] on the south to the [[Wisconsin]] border on the north and from the [[Iowa]] border on the west to the Indiana border on the east.  For more than 100 years, Commonwealth Edison has been the primary electric delivery services company for Northern Illinois. Today, ComEd is a unit of Chicago-based [[Exelon|Exelon Corporation]], one of the nation's largest electric and gas utility holding companies. ComEd provides electric service to more than 3.8 million customers across Northern Illinois. The company's revenues totaled more than $7 billion in 2023.<ref>{{cite report |url=https://investors.exeloncorp.com/static-files/292e68e7-dec4-49da-bcbc-27c64579f17c |title=Exelon Corp SEC Form 10-K for 2023 |author= |date=February 21, 2024 |publisher= |page= |pages=122 |docket= |quote= |author-link= |access-date=}}</ref>

{{As of|2015}}, ComEd has interconnections with [[WEC Energy Group|We Energies]], [[ITC Transmission|ITC Midwest]], [[Ameren]], [[American Electric Power]], [[NiSource|Northern Indiana Public Service]], and [[MidAmerican Energy Company|MidAmerican Energy (MEC).]]<ref>{{Cite web|date=May 15, 2015|title=Compliance Operations (FERC Order 693) Audit Report|url=https://www.nerc.com/pa/comp/Audit%20Repots%20DL/2015_public_RF_ComEd.pdf|access-date=2020-10-01|page=7|website=NERC.com}}</ref>