EXC · CIK 0001109357
What Exelon Corporation told the SEC could break it.
As a regulated utility holding company, Exelon's earnings hinge on rate recovery and allowed returns set across many jurisdictions — FERC annual transmission formula rates plus state commissions in Illinois, Pennsylvania, Maryland, D.C., Delaware and New Jersey — all subject to review by interested parties, making regulatory outcomes a central exposure. It also carries environmental liability, with the EPA identifying its Pepco-owned Benning Road site as one of six potentially contributing to contamination of the lower Anacostia River, against roughly $386 million of remediation reserves. And it depends on third-party contractors for operations, maintenance and construction, where poor performance could impair its capital plans or operations.
3 self-disclosed vulnerabilities, pulled from its own filings, each in the company’s words, with the source. This is the risk register almost nobody reads.
In its own words
What could break it.
Litigation
- Benning Road / Anacostia River environmental remediation (EPA)medium
The EPA identified the Pepco-owned Benning Road site (former generating facility) as one of six land-based sites potentially contributing to lower Anacostia River contamination; Exelon carries ~$386M of environmental remediation reserves.
“Benning Road Site (Exelon, PHI, and Pepco). In September 2010, PHI received a letter from the EPA identifying the Benning Road site as one of six land-based sites potentially contributing to contamination of the lower Anacostia River. A portion of the site, which is owned by Pepco, was formerly the location of an electric generating facility owned by Pepco subsidiary, Pepco Energy Services (PES), which became a part of Constellation following the 2016 merger between PHI and Exelon.”
SEC filing →As of 2026
Regulatory & policy
- multi-jurisdiction utility rate regulation (state commissions + FERC formula rates)medium
Exelon's earnings depend on rate recovery and allowed ROEs set by FERC (annual transmission formula rates) and multiple state commissions (IL, PA, MD, DC, DE, NJ); rates are subject to review by interested parties, creating regulatory-outcome risk.
“(a) All rates are effective June 1, 2025 - May 31, 2026, subject to review by interested parties pursuant to review protocols of each Utility Registrants' tariffs.”
SEC filing →As of 2026
Supplier concentration
- reliance on third-party contractors for operations, maintenance, and constructionlow
Exelon's utility registrants rely on third-party contractors for operations, maintenance, and construction work; poor contractor performance could impair capital execution plans or operations and carry financial, regulatory, or reputational consequences.
“The Registrants rely on third-party contractors to perform operations, maintenance, and construction work. Performance standards typically are included in all contractual obligations, but poor performance may impact capital execution plans or operations, or have adverse financial, regulatory, or reputational consequences.”
SEC filing →As of 2026
The hidden graph
Who it depends on, and who depends on it.
Relationships surfaced from filings, including ones disclosed by the other side, which is how the non-obvious ones come to light.
Its suppliers
“Our customers include American Electric Power, Enbridge, Entergy, Exelon, NiSource, National Grid, Sempra Energy and Southern Company, among others.”
Cited →
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