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54.3 MW Natural Gas Fired Combined Cycle (25 MW) + Natural Gas Fired Combustion Turbine (17 MW) + Natural Gas Internal Combustion Engine (6 MW) + Petroleum Liquids (7 MW) operating in Montgomery, MD — PJM Interconnection, LLC
54.3 MW
Nameplate Capacity
12
Generators
units
Hybrid (4)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine + Natural Gas Internal Combustion Engine + Petroleum Liquids
2003
Operating Since
Coordinates
39.0394, -76.9825
County
Montgomery, MD
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | GSA Metropolitan Service Center | — | — |
| Owner(s) | GSA Metropolitan Service Center | — | — |
| Status | Operating | — | — |
The Central Utility Plant at White Oak is a 54.3 MW hybrid power plant located in Montgomery County, Maryland. The plant, which began operating in 2003, is owned and operated by the GSA Metropolitan Service Center. It utilizes a mix of natural gas and petroleum liquids as its primary fuels, employing technologies such as natural gas-fired combined cycle, natural gas-fired combustion turbines, and natural gas internal combustion engines across its 12 generators.
The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In the most recent year of reported data, the Central Utility Plant at White Oak generated 93,668 MWh of electricity, achieving a capacity factor of 19.6%. Based on its total capacity, the plant is ranked 8th out of 14 similar facilities in Maryland and 1088th out of 1963 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
13.8 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Federal
Sector
Commercial CHP
7.7K MWh
Latest Month
93.7K MWh
Annual Generation
19.6%
Capacity Factor
CO₂ Intensity
1281 lb/MWh
NOx
4 lb/MWh
SO₂
0.059 lb/MWh
CH₄
0.024 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
20.4%
Annual Net Gen
97 GWh
CO₂eq
1282 lb/MWh
Subregion
RFC East
2013
$965/kW
Est. Construction Cost
Total estimated cost: $52.4M
Point of Interconnection
Nearest Substation
White Oak Substation
Substation Distance
4.316 km
Operator
Potomac Electric Power Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
METZTAP 69 KV WHITEOAK
Pricing Hub
WESTERN HUB
Alt. Hub / Zone
DOMINION HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
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