Chalk Point Power is a natural gas-fired power facility with 1,825 MW of EIA-reported nameplate capacity in Prince Georges County, Maryland, registered as EIA Plant ID 1571. In the first quarter of 2024, those units received approximately $20 million of PJM uplift credits, representing 26% of total PJM uplift. Terrapin Power, LLC, a Rockland Capital subsidiary acquired a 100% interest in the plant from Osprey Energy Holdings, LLC in 2024.
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Primary generation technology.
Prince Georges County · PJM
230 kV · Pepco
Best-supported operating milestone.
Natural Gas Fired Combustion Turbine, Natural Gas Steam Turbine, Petroleum Liquids
Chalk Point Power is currently operating; a closure or retirement is listed for June 1, 2021.
Chalk Point Power is currently operating; a closure or retirement is listed for June 1, 2021.
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 3 | 659 MW 595 MW summer | Natural Gas Steam Turbine Natural Gas · ST | May 1975 | Operating |
| 4 | 659 MW 585.3 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Dec 1981 | Operating |
| GT1 | 16 MW 18 MW summer | Petroleum Liquids Disillate Fuel Oil · GT | Apr 1967 | Operating |
| GT2 | 35 MW 26 MW summer | Petroleum Liquids Disillate Fuel Oil · GT | Jun 1974 | Operating |
| GT3 | 103 MW | |||
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
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 ST1 with this operating date.
230 kV · Pepco
PJM
PJM · Prince Georges 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 ST2 with this operating date.
EIA-860 lists generator GT1 with this operating date.
EIA-860 lists generator GT2 with this operating date.
EIA-860 lists generator 3 with this operating date.
EIA-860 lists generator 4 with this operating date.
EIA-860 lists generator SGT1 with this operating date.
EIA-860 lists generator GT3, generator GT4, generator GT5, generator GT6 with this operating date.
Mirant merged into GenOn Energy in 2010.
GenOn merged into NRG in 2012.
GenOn announced the retirement process for coal Units 1 and 2, citing unfavorable economics and increased environmental-compliance costs, with a proposed June 1, 2021 retirement date.
EIA-860 lists a planned retirement for generator ST1, generator ST2.
Rockland Capital, LLC through subsidiary Terrapin Power, LLC acquired the 1,613-MW Chalk Point Power Facility from Osprey Energy Holdings, LLC (parent of Osprey Power, LLC). No exact acquisition consideration disclosed.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Chalk Point Power has a reported capacity of 1,825 MW. Source: EIA Form 860.
Chalk Point Power is a Natural Gas Fired Combustion Turbine, Natural Gas Steam Turbine, Petroleum Liquids facility in Prince Georges County, MD, participating in the PJM market.
Chalk Point Power is in Prince Georges County, MD, inside the PJM balancing area.
Chalk Point Power is operated by Chalk Point Power, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Chalk Point Power reports a commercial operation date of 1967. Current status: operating. Source: EIA Form 860.
Chalk Point Power reported 2,737.2 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.
Chalk Point Power interconnects at Chalk Point substation, on the Pepco system.
By capacity, Chalk Point Power ranks #14 of 257 operating plants of the same technology nationally. It ranks #1 of 3 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.
