How big is Dickerson Power?

Dickerson Power has a reported capacity of 326 MW. Source: EIA Form 860.

What kind of plant is Dickerson Power?

Dickerson Power is a Natural Gas Fired Combustion Turbine facility in Montgomery County, MD, participating in the PJM market.

Where is Dickerson Power located?

Dickerson Power is in Montgomery County, MD, inside the PJM balancing area.

Who operates Dickerson Power?

Dickerson Power is operated by Dickerson Power, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Dickerson Power generate?

Dickerson Power reported 290.5 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

How does Dickerson Power compare to other plants?

By capacity, Dickerson Power ranks #114 of 206 operating plants of the same technology nationally. It ranks #2 of 1 in MD.

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Natural Gas Fired Combustion TurbinePJM · Montgomery County

Dickerson Power

Montgomery County · PJM

Dickerson Power is a natural gas-fired power facility with 326 MW of EIA-reported nameplate capacity in Montgomery County, Maryland, registered as EIA Plant ID 1572. Dickerson Power is an operating 326-MW natural-gas power station in PJM comprising two GE Frame 7F combustion turbines; both units have June 1992 first-operation dates.

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Overview

Key fields

Reported capacity: 326 MW
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Technology: Natural Gas Fired Combustion Turbine
Primary generation technology.
Registry anchor: Plant 1572
Montgomery County · PJM
Operating status: Operating

Asset analyst

plant:plant-1572

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Investigate technology, capacity, output, price behavior, ownership, and related facilities using this profile plus current grid data.

Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
2	196 MW 173 MW summer	Conventional Steam Coal Bituminous Coal · ST	Apr 1960 Retirement: Aug 2020	Operating
3	196 MW 173 MW summer	Conventional Steam Coal Bituminous Coal · ST	Mar 1962 Retirement: Aug 2020	Operating
GT1	19 MW 18 MW summer	Petroleum Liquids Disillate Fuel Oil · GT	Mar 1967 Retirement: Oct 2022	Operating
GT2	163 MW 147 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	Jun 1992 Retirement: May 2021	Operating
GT3	163 MW 152 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	Jun 1992 Retirement: May 2021	Operating
ST1	196 MW 173 MW summer	Conventional Steam Coal Bituminous Coal · ST	Jun 1959 Retirement: Aug 2020	Operating

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Transactions and agreements

Acquisition/Ownership Transfer

Jan 2024

Osprey Power acquired 100% of membership interests in Dickerson Power, LLC. FERC approved the transaction on December 18, 2023, and transaction was consummated on January 1, 2024. No asset-specific consideration disclosed.

Osprey Power, LLC · Dickerson Power, LLC

Summary of FERC Meeting Agenda for October 2024 | White & Case LLP

O&M Provider Transition

Jan 1, 2025

Q4 2024 report states Dickerson Power transferred to NAES as new O&M provider effective January 1, 2025, following Rockland Capital purchase and transition from prior provider CAMS. No O&M contract value or duration disclosed.

Dickerson Power, LLC · NAES Corporation

Q4 2024 DA FIG Report for Dickerson Power, LLC. • Safety concerns for the period – None • Environmental concerns

Land and environmental record

Cooling Water

2026

Site contains Potomac River water intake and discharge facility used for plant cooling

Montgomery County planning records identify water intake and discharge along Potomac River. 2026 redevelopment proposal would reuse existing Potomac intake for data-center cooling and return water to river under applicable permits.

Source

Generation And Emissions Control

Two dual-fuel simple-cycle combustion turbines: GE Frame 7F units, each rated 167 MW, primarily natural-gas-fired with No. 2 fuel oil as secondary fuel. Equipped with inlet foggers and water injection for NOx control

Maryland permit identifies HCT-1 and HCT-2 as GE Frame 7F combustion turbines, each 167 MW rated capacity, Station H. Primary fuel natural gas; secondary fuel No. 2 fuel oil. Inlet foggers maintain output at high ambient temperature; water injection controls NOx emissions. Combined 334 MW capacity; asset-listed 326 MW reflects net output after auxiliary consumption.

AIR AND RADIATION ADMINISTRATION DRAFT PART 70 OPERATING PERMIT DOCKET #24-031-2716 : Dickerson Power, LLC COMPANY : 21230 Martinsburg Rd

Landownership

2026

Terra Energy, LLC identified as owner of approximately 758-acre parent tract; individual map parcels also identify Potomac Electric Power Company on some parcels

2026 county hearing document identifies parent tract as owned by Terra Energy, LLC. County project map separately labels parcels with Terra Energy, LLC and Potomac Electric Power Company. Parcel-level ownership should be confirmed from recorded deeds rather than inferred.

Source

Site Area

2024

758-acre parent tract

Montgomery County planning record describes the property associated with decommissioned coal plant as 758-acre parent tract. Scope is land parcel, not generating facility acreage.

Source

Wastewater Permit

Historical NPDES/state discharge permit 14-DP-0048 / MD0002640

Maryland regulatory material cross-references Dickerson Generating Station discharge permit as State Permit No. 14-DP-0048 and NPDES No. MD0002640.

Technical Comments on EPA's Final Effluent Limitations

Overview

Key fields

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Structured profile

Units and generators

Performance

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Monthly generation

Grid and market context

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Commercial, land, and environmental record

Transactions and agreements

Land and environmental record

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Project timeline

Sources

Common questions about Dickerson Power

How big is Dickerson Power?

What kind of plant is Dickerson Power?

Where is Dickerson Power located?

Who operates Dickerson Power?

How much electricity does Dickerson Power generate?

How does Dickerson Power compare to other plants?

Co-located assets

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