Power plant · Maryland, United States
Chalk Point Steam Power Plant
Chalk Point Steam Power Plant is a closed coal power plant in Maryland, United States, with 728 MW of capacity, operated by Lanyard Power Holdings, LLC.
Grid connection
It closed in 2021, which freed up a 728 MW grid connection at 230 kV to the grid of Potomac Electric Power Co, unless it has been reassigned since.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Maryland | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Closed | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1964 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| End year | 2021 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Lanyard Power Holdings, LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 728 MW (nameplate of its retired generators) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Conventional Steam Coal | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Grid operator | Potomac Electric Power Co | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Voltage | 230 kV | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 38.5444, -76.6861 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
Research on this power plant and its operator.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the operator.
Request researchHow it compares
Chalk Point Steam is the 9th-largest of 16 power plants in Maryland and the 489th-largest of 1,009 in the United States by capacity; its 728 MW is <0.1% of the 917,512 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.
| Within | Rank | Total | Share |
|---|---|---|---|
| Maryland | 9th of 16 | 12,300 MW | 5.9% |
| United States | 489th of 1,009 | 917,512 MW | <0.1% |
| All power plants in our data | 798th of 15,799 | 1,918,113 MW | <0.1% |
Timeline
Dated facts about this power plant from its sources, oldest first.
- Started operating
- Retired
Nearby
Within 50 km of this power plant: 5 data centers, measured from the coordinates in the facts above. The table shows the nearest 3.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Data center, Fairfax County (OSM way 1561752473) | Data center | — | — | 46 km |
| Amazon DCA-64 | Data center | — | — | 49 km |
| Amazon Data Services Inc - DCA-64 | Data center | — | — | 49 km |
Operator, grid operator and place
More from Lanyard Power Holdings, LLC
- Dickerson588 MW
Other power plants in Maryland
- Calvert Cliffs Nuclear Power Plant1,850 MW
- Chalk Point Power1,825 MW
- Brandon Shores1,370 MW
- Wildcat Point Generation Facility1,114 MW
- Key831 MW
- Essential Power Rock Springs LLC796 MW
- CPV St Charles Energy Center775 MW
- Herbert A Wagner774 MW
Data on this page
- Contains public sector information licensed under the Open Government Licence v3.0. DUKES 5.11: Power stations in the United Kingdom, Open Government Licence v3.0.
- Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- JRC Open Power Plants Database (JRC-PPDB-OPEN), European Commission, Joint Research Centre. JRC Open Power Plants Database (JRC-PPDB-OPEN), CC BY 4.0.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- Dutch power station owners' and operators' pages. Dutch power station owners' and operators' pages, Facts only, each linked to its page.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.
- Contains public sector information licensed under the Open Government Licence v3.0. Planning Inspectorate: National Infrastructure Projects, Open Government Licence v3.0.
- RVO SDE(+)(+) projecten in beheer and SDE viewer. RVO SDE(+)(+) projecten in beheer and SDE viewer, Free reuse, no attribution required.
- Virginia DEQ issued data center air permits. Virginia DEQ issued data center air permits, Public records.
- Wikidata. Wikidata, CC0 1.0.