Brandon Shores is a coal-fired power facility with 1,370.2 MW of EIA-reported nameplate capacity in Anne Arundel County, Maryland, registered as EIA Plant ID 602. Its continued operation has a significant PJM-BGE grid-reliability role: the units were retained beyond their scheduled June 1, 2025 retirement under an RMR agreement through May 31, 2029. Reported commercial-operation dates are 1984 (Unit 1); 1991 (Unit 2).
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Primary generation technology.
Anne Arundel County · PJM
230 kV
Conventional Steam Coal
Brandon Shores is currently operating; a closure or retirement is listed for May 31, 2029.
Brandon Shores is currently operating; a closure or retirement is listed for May 31, 2029.
230 kV
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 1 | 685.1 MW 635 MW summer | Conventional Steam Coal Bituminous Coal · ST | May 1984 Retirement: Jun 2029 | Operating |
| 2 | 685.1 MW 638 MW summer | Conventional Steam Coal Bituminous Coal · ST | May 1991 Retirement: Jun 2029 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
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Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
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Project milestones and public references behind the asset profile.
EIA-860 lists generator 1 with this operating date.
PJM
PJM · Anne Arundel County
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
EIA-860 lists generator 2 with this operating date.
The Unit 1 portion of Constellation's Brandon Shores air-quality-control project was completed in December 2009.
Constellation announced completion of the Brandon Shores AQCS project on March 1, 2010. The approximately $885 million project brought both units into compliance with Maryland's Healthy Air Act and included FGD, fabric filters, mercury controls, and related systems.
Exelon sold Brandon Shores Generating Station to Raven Power Holdings LLC (Riverstone Holdings subsidiary) for $178.35 million in 2012. This was the plant-specific allocation from the $400 million portfolio sale of three Maryland stations (Brandon Shores, H. A. Wagner, C. P. Crane). Arm's-length transaction completed as divestiture condition for Exelon–Constellation Energy merger regulatory approval.
Exelon agreed to sell Brandon Shores and the C. P. Crane and H. A. Wagner stations to Raven Power Holdings LLC, a new Riverstone portfolio company, for approximately $400 million in aggregate.
Talen Energy assumed ownership of the plant under Riverstone Holdings' ownership structure.
Talen announced plans to end coal-fired generation at Brandon Shores by the end of 2025, subject to regulatory approval.
Talen, PJM, the Maryland Public Service Commission, Maryland customers, utilities, and the Sierra Club reached a settlement to keep Brandon Shores operating beyond its scheduled retirement date.
The scheduled June 1, 2025 retirement did not end operations; the units continued under the reliability-must-run arrangement.
The RMR agreement provides for continued operation of Brandon Shores through May 31, 2029 to support Baltimore-area grid and transmission reliability.
EIA-860 lists a planned retirement for generator 1, generator 2.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Brandon Shores has a reported capacity of 1,370.2 MW. Source: EIA Form 860.
Brandon Shores is a Conventional Steam Coal facility in Anne Arundel County, MD, participating in the PJM market.
Brandon Shores is in Anne Arundel County, MD, inside the PJM balancing area.
Brandon Shores is operated by Brandon Shores LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Brandon Shores reported 2,953.2 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.
Brandon Shores interconnects at Brandon Shores 230 kV substation.
By capacity, Brandon Shores ranks #50 of 206 operating plants of the same technology nationally. It ranks #1 of 1 in MD.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.
