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CompanyCompany profileReviewed 2026-10-23

EXELON CORP

Exelon Corporation is an American public utility headquartered in Chicago, and incorporated in Pennsylvania. Exelon is the largest electric parent company in the United States by revenue and is the largest regulated electric utility in the United States with approximately 10 million customers. The company is ranked 187th on the Fortune 500.

Sources and references ↗
COMPANY PROFILE / 17 SOURCE-LINKED FIELDS

Basic company information

Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.

Ticker / security symbols
EXC [1]
Listing exchanges
Nasdaq [1]
SEC industry
Electric & Other Services Combined [1]
Business sectors
energy industry [2]
Company / filing name
EXELON CORP [1]
Headquarters location
Chicago [2]
Business address
10 S. DEARBORN STREET, PO BOX 805379, CHICAGO, IL, 60680-5379 [1]
Founded
2000 [2]
Legal form
public company; Delaware corporation [2]
Incorporation jurisdiction
Pennsylvania, United States [1]
Official website
www.exeloncorp.com ↗ [2]
Annual revenue
USD 36,347,000,000 · reported year 2021 [2]
Fiscal year end
December 31 (SEC record) [1]
ISIN (reported securities)
US30161N1019 [2]
CIK
0001109357 [1]
SIC code
4931 [1]
Country in background record
United States [2]

Company positioning and business

Exelon Corporation is an American public utility headquartered in Chicago, and incorporated in Pennsylvania. Exelon is the largest electric parent company in the United States by revenue and is the largest regulated electric utility in the United States with approximately 10 million customers. The company is ranked 187th on the Fortune 500. [3]

Exelon owns six regulated utilities: Atlantic City Electric (New Jersey), Commonwealth Edison (Illinois), PECO Energy Company (Pennsylvania), Baltimore Gas and Electric (Maryland), Delmarva Power and Light (Delaware and Maryland), and Pepco (Washington, DC and Maryland). [3]

Background text: Wikipedia contributors, Exelon. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.

Understanding company scale

Annual revenue: USD 36,347,000,000 · reported year 2021. [2]

Financial year, securities and disclosures

The SEC submissions record gives EXELON CORP a fiscal year end of 1231 (MMDD). Individual filings below identify their own reporting period; the filing date is the publication event, not the financial year end. [1]

Listed securities: EXC (Nasdaq). Multiple symbols may represent different share classes or securities of the same registrant. [4]

History and key events

  1. Founding / inception date recorded in Wikidata. [2]

  2. Form 10-K filed; reporting period ends 2025-12-31. [5]

Financial results and regulatory disclosures

Annual, quarterly and current reports from the collected SEC record. Insider Forms 4 and 144 are excluded. This is a selected list, not a live filing feed.

Source-verified relationships

EXELON CORP → Listed on → Nasdaq [1]
EXELON CORP → SEC industry classification → Electric & Other Services Combined [1]

Companies in the same industry

Comparison candidates share the SEC SIC classification 4931. This does not imply ownership, partnership or trading relationships.

Related entities and concepts

Frequently asked questions

When was EXELON CORP founded?

Founded: 2000. The linked source provides the background record. [2]

Where is the headquarters of EXELON CORP?

Headquarters location: Chicago. The linked source provides the background record. [2]

Which business sectors are recorded for EXELON CORP?

Business sectors: energy industry. The linked source provides the background record. [2]

RELATION MAP

EXELON CORP relationship map

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EXELON CORP

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2 verified direct relationships. Industry peers are not relationship edges.

Sources and review dates

  1. SEC — EXELON CORP filing identity and securities ↗
  2. Wikidata — company background record (CC0) ↗
  3. Wikipedia contributors — Exelon (CC BY-SA 4.0) ↗
  4. SEC securities directory ↗
  5. Company chronology / filing ↗

Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.

Content preparation: source-based compilation with AI assistance. See methods and attribution. Named sources identify the underlying records; no individual expert review is claimed.