Commonwealth Edison Co Headquarters & Corporate Office

About Commonwealth Edison Company

Commonwealth Edison Company, commonly known as ComEd, is the principal electric utility serving Chicago and much of northern Illinois. The company’s modern history dates to 1907, when Samuel Insull consolidated several Chicago-area electric utilities into Commonwealth Edison. Over more than a century, ComEd developed an extensive transmission and distribution network that supplies electricity to homes, businesses, manufacturers, public agencies, transportation systems, and other customers throughout one of the largest metropolitan regions in the United States.

Today, ComEd delivers electricity to more than 4 million customers across approximately 11,400 square miles of northern Illinois, serving roughly 70 percent of the state’s population. Its network includes approximately 90,000 miles of transmission and distribution lines and supports around 9.5 million people. ComEd employs approximately 6,600 people and operates substations, transmission facilities, distribution infrastructure, smart meters, outage-management systems, customer-service operations, energy-efficiency programs, solar interconnection services, electric-vehicle programs, and grid-modernization projects.

Commonwealth Edison Company is not an independent publicly traded corporation. It is a regulated utility subsidiary of Exelon Corporation, which is publicly traded on Nasdaq under ticker symbol EXC. Exelon owns ComEd together with utilities including PECO, BGE, Pepco, Delmarva Power, and Atlantic City Electric. ComEd’s current regulatory and SEC records identify 10 South Dearborn Street in Chicago as its principal business address. The company therefore remains headquartered in Chicago and continues to operate as the regulated electric distribution utility for northern Illinois.

Commonwealth Edison Company Headquarters & Corporate Office Address

Current Headquarters

Commonwealth Edison Company
10 South Dearborn Street
Chicago, IL 60603-2300
United States

Current SEC records identify this Chicago address as ComEd’s principal business and mailing address.

Corporate Office

10 South Dearborn Street
Chicago, IL 60603-2300
United States

The Chicago corporate office supports executive leadership, regulatory affairs, finance, legal, grid planning, customer operations, engineering, information technology, communications, and other utility functions.

Mailing Address

Commonwealth Edison Company
10 South Dearborn Street
Chicago, IL 60603-2300
United States

This is ComEd’s current corporate mailing address. Customer payments, claims, and other specialized correspondence can use different mailing addresses published by the utility.

Other Important Address

Commonwealth Edison Company Claims Department
P.O. Box 5520
Villa Park, IL 60181-4906
United States

Customers submitting qualifying property-damage claims can use this published Claims Department address together with the required claim form and supporting documentation.

Quick Information

Corporate Phone Number

312-394-4321

Current SEC information lists this telephone number with Commonwealth Edison Company’s Chicago business address.

Customer Service Number

1-800-334-7661

This is ComEd’s primary residential Customer Service number, published as 1-800-EDISON-1. Outage and downed-line reports also use this number.

Corporate Office Address

10 South Dearborn Street, Chicago, IL 60603-2300, United States.

Headquarters Address

10 South Dearborn Street, Chicago, IL 60603-2300, United States.

Email

A universal public customer-service email is not prominently published.

ComEd directs customers through its secure online Contact Us form, account messaging, telephone support, mobile app, and specialized program contacts.

Industry

Electric utilities, electricity transmission and distribution, grid infrastructure, energy efficiency, clean energy, and regulated utility services.

Number of Employees

Approximately 6,600 employees.

Number of Customers

More than 4 million electric customers across northern Illinois.

Service Territory

Approximately 11,400 square miles, serving around 70 percent of Illinois’ population.

Website

https://www.comed.com/

Careers Page

https://careers.exeloncorp.com/comed

ComEd does not maintain independent public-equity Investor Relations because it is an Exelon subsidiary.

Commonwealth Edison Company Products & Services

Electric Distribution Service

ComEd distributes electricity to residential, commercial, industrial, municipal, and institutional customers throughout northern Illinois. The utility owns and maintains extensive distribution infrastructure connecting customers to the electric grid.

Electric Transmission

ComEd operates transmission infrastructure that carries high-voltage electricity across its service territory and connects with the broader regional power grid.

Residential Electric Service

Households can establish, move, or terminate electric service through ComEd. Customers can manage billing, usage, payments, outages, and service requests through digital and telephone channels.

Business Electric Service

Commercial and industrial customers receive specialized electric-service support, new-service planning, account management, outage reporting, and energy programs.

Outage Reporting

Customers can report outages by telephone, mobile app, online account, or text message. ComEd also provides outage maps and restoration-status information.

Smart Meter Services

ComEd uses smart meters throughout much of its service territory to collect energy-use data, support outage detection, and provide customers with more detailed usage information.

Energy Efficiency Programs

ComEd offers energy-efficiency programs for homes, businesses, nonprofits, and other customers. Programs can include assessments, rebates, incentives, equipment upgrades, and technical assistance.

Solar Interconnection

Customers installing eligible solar-energy systems can work with ComEd for grid interconnection, metering, and related utility requirements.

Electric Vehicle Programs

ComEd supports electric-vehicle adoption through infrastructure planning, charging programs, incentives, education, and utility services for participating customers.

Payment Assistance

Eligible customers experiencing financial hardship can access payment arrangements, assistance programs, LIHEAP information, and other support resources.

New Construction and Service Connections

Builders and property owners can request new electric-service installations, upgrades, relocations, and construction-related utility work through ComEd’s New Business team.

Hourly Pricing

Eligible residential customers can participate in ComEd’s Hourly Pricing program, where electricity supply prices can vary by hour based on wholesale market conditions.

Commonwealth Edison Company Corporate Phone Numbers

Corporate Phone Number

312-394-4321

This is the current telephone number associated with ComEd’s Chicago corporate address in SEC records.

Corporate Headquarters Number

312-394-4321

The same number is associated with Commonwealth Edison Company’s headquarters at 10 South Dearborn Street.

Headquarters Number

312-394-4321

Corporate and regulatory callers can use this number for legitimate headquarters-level matters.

Corporate Office Number

312-394-4321

This number serves ComEd’s principal Chicago corporate organization.

Customer Service Number

1-800-334-7661

Residential customers can call 1-800-EDISON-1 for billing, service, outages, payment assistance, account changes, and general utility support.

Customer Support Number

1-800-334-7661

This is ComEd’s main residential support number and is also available around the clock for outage and downed-power-line reporting.

Spanish Customer Service Number

1-800-955-8237

ComEd publishes 1-800-95-LUCES for Spanish-language customer support and outage reporting.

Business Customer Service Number

877-426-6331

Commercial and business customers can use this number for account, service, payment, and utility questions.

New Business Service Number

866-639-3532

Builders, developers, contractors, and customers requesting new electric service can call 866-NEW-ELEC.

Payment by Phone Number

800-588-9477

Residential customers can use this number for telephone payment services.

Energy Efficiency Program Number

855-433-2700

ComEd publishes this number for customers with questions about its Energy Efficiency Program.

Media / Press Number

312-394-3500

ComEd’s 24-hour Media Hotline is intended for credentialed journalists and media inquiries.

How to Reach a Real Person at Commonwealth Edison Company

Residential customers should begin with 1-800-334-7661. ComEd customer-service representatives can assist with bills, start or stop service, account changes, payment arrangements, outages, and many other concerns. Business customers should use 877-426-6331, while new construction and service-installation requests should use 866-639-3532.

Before calling, have the ComEd account number, service address, customer name, bill or transaction information, outage details, and any previous case number available. Customers experiencing an outage can also text OUT to 26633. For a downed power line, leave the area immediately and call 1-800-334-7661. Do not use email or an ordinary complaint form for an electrical emergency.

For disputes involving billing, property damage, service quality, or repeated unresolved issues, ask Customer Service to document the complaint and provide a case reference. Customers should escalate through ComEd before filing an external regulatory complaint unless the situation requires immediate regulator involvement.

How to File a Complaint Against Commonwealth Edison Company

Complaints may involve bills, outages, meter readings, damage claims, deposits, service connections, disconnections, payment arrangements, employee conduct, or other electric-service matters. Before escalating, gather account statements, meter information, photographs, receipts, outage records, and previous case numbers.

Step 1: Contact Customer Service

Call ComEd at 1-800-334-7661 for residential service or 877-426-6331 for business accounts. Clearly explain the problem and ask for a case or complaint reference number.

Step 2: Contact the Relevant Department

Billing matters should go to Customer Service, property damage to the Claims Department, new connections to New Business, energy-efficiency concerns to the relevant program team, and outages to outage support.

Step 3: Request Supervisor or Management Review

If the initial representative cannot resolve the complaint, request supervisor review. Provide the existing case number and explain why the proposed resolution is insufficient.

Step 4: Use the Company’s Written Complaint Channel

Use ComEd’s official online Contact Us form for billing, meter, service, efficiency, and property-damage issues. Property-damage claims can also be submitted through ComEd’s published claims process.

Step 5: Contact Corporate Headquarters

Serious unresolved corporate matters can be directed to Commonwealth Edison Company, 10 South Dearborn Street, Chicago, IL 60603-2300. Include the customer account, complaint references, and supporting documentation.

Step 6: Use the Specialized Complaint or Dispute Department

Property-damage claims should use ComEd’s Claims Department, while billing, outage, construction, and energy-program disputes should follow their appropriate specialized processes.

Step 7: File With the Appropriate Regulator

If ComEd does not resolve the complaint, customers can file an informal or formal complaint with the Illinois Commerce Commission, which regulates ComEd’s rates and utility service.

Step 8: Use Consumer Protection or Financial Dispute Options

Customers may also contact the Illinois Attorney General or other consumer-protection resources for qualifying issues. Payment-assistance and shutoff concerns can involve additional state utility protections.

Step 9: Consider Formal Legal or Arbitration Procedures

For substantial property damage, personal injury, commercial losses, or other serious disputes, preserve bills, photographs, repair estimates, outage records, and all correspondence. Review Illinois utility law and applicable ComEd terms and obtain legal advice where appropriate.