Power plant · Maryland, United States
Westport Power Plant
Westport Power Plant is a closed gas power plant in Maryland, United States, with 122 MW of capacity, operated by Constellation Power Source Generation, LLC.
Grid connection
It closed in 2020, which freed up a 122 MW grid connection at 115 kV to the grid of Baltimore Gas & Electric 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 | 1969 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| End year | 2020 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Constellation Power Source Generation, LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 122 MW (nameplate of its retired generators) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Natural Gas Fired Combustion Turbine | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Grid operator | Baltimore Gas & Electric Co | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Voltage | 115 kV | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 39.2660, -76.6295 | 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
Westport is the 15th-largest of 16 power plants in Maryland and the 932nd-largest of 1,009 in the United States by capacity; its 122 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 | 15th of 16 | 12,300 MW | 0.99% |
| United States | 932nd of 1,009 | 917,512 MW | <0.1% |
| All power plants in our data | 2,307th 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: 12 data centers and 2 mines (1 operating), measured from the coordinates in the facts above. The table shows the nearest 5, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Baltimore Technology Park | Data center | — | — | 1.1 km |
| Lumen Baltimore | Data center | — | — | 3.0 km |
| AiNET One Market Center | Data center | — | — | 3.0 km |
| Savage Stone | Mine | — | Operating | 20 km |
| Tuckahoe Sand | Mine | — | Closed | 25 km |
Operator, grid operator and place
More from Constellation Power Source Generation, LLC
- Perryman492 MW
- Riverside (MD)257 MW
- Notch Cliff144 MW
- Gould Street104 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.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.
- 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.
- Wikidata. Wikidata, CC0 1.0.