Natural Gas Power Plants in Maryland
Every operating natural gas power plant in Maryland on EIA-860M for 2026-07: 16 plants, 59 generating units and 7 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
- 16
- 59 generating units
- Nameplate capacity
- 7 GW
- Counties
- 8
- Grid operator
- PJM
- covers most of these plants
Map of natural gas power plants in Maryland
Every one of the 16 plants is drawn at the coordinate EIA files for it.
Loading map…
- Natural gas · 16
List of natural gas power plants in Maryland
Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.
| Chalk Point Power3 technologies | Chalk Point Power, LLC | Prince Georges | 1,825 | 8 | 1967 | Operating |
| Wildcat Point Generation FacilityNatural Gas Fired Combined Cycle | Old Dominion Electric Coop | Cecil | 1,113.6 | 3 | 2018 | Operating |
| KeyNatural Gas Fired Combined Cycle | Parkway Generation Keys Energy Center LLC | Prince Georges | 830.6 | 3 | 2018 | Operating |
| Essential Power Rock Springs LLCNatural Gas Fired Combustion Turbine | Essential Power Operating Services LLC | Cecil | 795.6 | 4 | 2003 | Operating |
| CPV St Charles Energy CenterNatural Gas Fired Combined Cycle | CPV Maryland LLC | Charles | 775.3 | 3 | 2017 | Operating |
| Perryman2 technologies | Constellation Power Source Generation, LLC | Harford | 492.3 | 5 | 1972 | Operating |
| Dickerson PowerNatural Gas Fired Combustion Turbine | Dickerson Power, LLC | Montgomery | 326 | 2 | 1992 | Operating |
| Brandywine Power FacilityNatural Gas Fired Combined Cycle | Alpha Generation Brandywine, LLC | Prince Georges | 288.8 | 3 | 1996 | Operating |
| Central Utility Plant at White Oak4 technologies | GSA Metropolitan Service Center | Montgomery | 54.3 | 12 | 2003 | Operating |
| NIH Cogeneration FacilityNatural Gas Fired Combustion Turbine | National Institutes of Health | Montgomery | 28 | 1 | 2018 | Operating |
| Domino Sugar BaltimoreNatural Gas Steam Turbine | American Sugar Refining, Inc. | Baltimore City | 17.5 | 3 | 1955 | Operating |
| APG Combined Heat and Power PlantNatural Gas Fired Combustion Turbine | US Dept of Army, Garrison, APG | Harford | 7.9 | 1 | 2016 | Operating |
| Eastern Correctional Institute2 technologies | Maryland Environmental Service | Somerset | 5.8 | 4 | 1987 | Operating |
| Brookville Smart Bus Depot Microgrid3 technologies | AlphaStruxure Service Co LP | Montgomery | 5 | 5 | 2022 | Operating |
| Inner Harbor East HeatingNatural Gas Internal Combustion Engine | Trigen Inner Harbor East, LLC | Baltimore City | 2.1 | 1 | 2004 | Standby/Backup |
| Maryland Bioenergy Center (Jessup)Natural Gas Fired Combustion Turbine | Bioenergy DevCo | Howard | 1.1 | 1 | 2022 | Operating |
Largest natural gas power plants in Maryland
- 1Chalk Point PowerPrince Georges County, Maryland1,825 MW
- 2Wildcat Point Generation FacilityCecil County, Maryland1,113.6 MW
- 3KeyPrince Georges County, Maryland830.6 MW
- 4Essential Power Rock Springs LLCCecil County, Maryland795.6 MW
- 5CPV St Charles Energy CenterCharles County, Maryland775.3 MW
- 6PerrymanHarford County, Maryland492.3 MW
- 7Dickerson PowerMontgomery County, Maryland326 MW
- 8Brandywine Power FacilityPrince Georges County, Maryland288.8 MW
- 9Central Utility Plant at White OakMontgomery County, Maryland54.3 MW
- 10NIH Cogeneration FacilityMontgomery County, Maryland28 MW
Natural gas 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 |
|---|---|---|
| Prince Georges | 3 | 2,944.4 |
| Cecil | 2 | 1,909.2 |
| Charles | 1 | 775.3 |
| Harford | 2 | 500.2 |
| Montgomery | 4 | 413.3 |
| Baltimore City | 2 | 19.6 |
| Somerset | 1 | 5.8 |
| Howard | 1 | 1.1 |
Natural Gas Power Plants in Maryland: FAQ
- How many natural gas power plants are in Maryland?
- 16, with 7 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 natural gas power plants?
- Yes — the map above. Each dot is one natural gas power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
- Which is the largest natural gas power plant in Maryland?
- Chalk Point Power, at 2 GW. The table is sorted largest first, so the rest follow it.
- Is there a natural gas 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 natural gas 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. Combined cycle, combustion turbine, steam turbine, internal combustion and other gas-fired 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.