Power plant · Maryland, United States
Herbert A Wagner Power Plant
Herbert A Wagner Power Plant is a power plant in Maryland, United States, with 774 MW of capacity, owned by H.A. Wagner LLC.
Grid connection
It is due to retire in 2029, which frees up a 774 MW grid connection at 230 kV to the grid of Baltimore Gas & Electric Co.
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 | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1966 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | H.A. Wagner LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | H.A. Wagner LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 774 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Petroleum Liquids | 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 | 230 kV (levels 230, 115 kV) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Planned retirement | 2029 (774 MW retiring, 2 units, planned retirement reported to eia) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 39.1781, -76.5268 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
Research on this power plant and its owner.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the owner.
Request researchHow it compares
Herbert A Wagner is the 8th-largest of 16 power plants in Maryland and the 460th-largest of 1,009 in the United States by capacity; its 774 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 | 8th of 16 | 12,300 MW | 6.3% |
| United States | 460th of 1,009 | 917,512 MW | <0.1% |
| All power plants in our data | 739th of 15,799 | 1,918,113 MW | <0.1% |
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 |
|---|---|---|---|---|
| CyberNAP Glen Burnie | Data center | — | — | 8.1 km |
| Expedient Tidepoint | Data center | — | — | 12 km |
| Johns Hopkins Data Center | Data center | — | — | 13 km |
| Tuckahoe Sand | Mine | — | Closed | 18 km |
| Savage Stone | Mine | — | Operating | 24 km |
Owner, operator, grid operator and place
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
- Chalk Point Steam728 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.