Oil-Fired Power Plants in Maryland
Every operating oil-fired power plant in Maryland on EIA-860M for 2026-07: 10 plants, 39 generating units and 1 GW of nameplate capacity across 8 counties, most of it inside PJM.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Plants
- 10
- 39 generating units
- Nameplate capacity
- 1 GW
- Counties
- 8
- Grid operator
- PJM
- covers most of these plants
Map of oil-fired power plants in Maryland
Every one of the 10 plants is drawn at the coordinate EIA files for it.
Loading map…
- Petroleum · 10
List of oil-fired power plants in Maryland
Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.
| Herbert A WagnerPetroleum Liquids | H.A. Wagner LLC | Anne Arundel | 773.7 | 2 | 1966 | Operating |
| Morgantown Generating PlantPetroleum Liquids | Lanyard Power Holdings, LLC | Charles | 260 | 4 | 1973 | Operating |
| Vienna OperationsPetroleum Liquids | NRG Vienna Operations Inc | Dorchester | 180.6 | 2 | 1968 | Operating |
| NRG Chalk Point CTPetroleum Liquids | NRG Chalk Point CT | Prince Georges | 94 | 1 | 1990 | Operating |
| PhiladelphiaPetroleum Liquids | Constellation Power Source Generation, LLC | Baltimore City | 82.8 | 4 | 1970 | Operating |
| Easton 2Petroleum Liquids | Easton Utilities Comm | Talbot | 38.8 | 8 | 1978 | Operating |
| EastonPetroleum Liquids | Easton Utilities Comm | Talbot | 31.1 | 9 | 1954 | Operating |
| CrisfieldPetroleum Liquids | Calpine Mid-Atlantic Generation LLC | Somerset | 11.6 | 4 | 1968 | Standby/Backup |
| Berlin2 technologies | Town of Berlin - (MD) | Worcester | 5.6 | 3 | 1961 | Operating |
| Smith IslandPetroleum Liquids | A & N Electric Coop | Somerset | 1.5 | 2 | 1994 | Operating |
Largest oil-fired power plants in Maryland
- 1Herbert A WagnerAnne Arundel County, Maryland773.7 MW
- 2Morgantown Generating PlantCharles County, Maryland260 MW
- 3Vienna OperationsDorchester County, Maryland180.6 MW
- 4NRG Chalk Point CTPrince Georges County, Maryland94 MW
- 5PhiladelphiaBaltimore City County, Maryland82.8 MW
- 6Easton 2Talbot County, Maryland38.8 MW
- 7EastonTalbot County, Maryland31.1 MW
- 8CrisfieldSomerset County, Maryland11.6 MW
- 9BerlinWorcester County, Maryland5.6 MW
- 10Smith IslandSomerset County, Maryland1.5 MW
Oil-fired power plants by county in Maryland
The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.
| County | Plants | Nameplate MW |
|---|---|---|
| Anne Arundel | 1 | 773.7 |
| Charles | 1 | 260 |
| Dorchester | 1 | 180.6 |
| Prince Georges | 1 | 94 |
| Baltimore City | 1 | 82.8 |
| Talbot | 2 | 69.9 |
| Somerset | 2 | 13.1 |
| Worcester | 1 | 5.6 |
Oil-Fired Power Plants in Maryland: FAQ
- How many oil-fired power plants are in Maryland?
- 10, with 1 GW of nameplate capacity between them, spread over 8 counties. That is the EIA-860M operating count for 2026-07.
- Is there a map of Maryland oil-fired power plants?
- Yes — the map above. Each dot is one oil-fired power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
- Which is the largest oil-fired power plant in Maryland?
- Herbert A Wagner, at 774 MW. The table is sorted largest first, so the rest follow it.
- Is there a oil-fired power plant near me in Maryland?
- The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
- Which grid operator runs Maryland's oil-fired power plants?
- Most of them sit inside PJM, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.
- How current is this, and what is left out?
- EIA-860M for 2026-07. Petroleum liquids and petroleum coke. Many are peakers or standby units. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.