Potomac Energy Center, LLC — Plant Summary
- EIA Plant ID
- 59004
- Capacity
- 812 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Loudoun, VA
- Operating Since
- 2017
- Generators
- 3
- Operator
- Potomac Energy Center LLC
- Parent Company
- Blackstone
- Annual Generation
- 4,742,336 MWh
- Capacity Factor
- 66.7%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- SERC
Potomac Energy Center, LLC
OperatingNatural Gas
Ranked #7 of 30 Natural Gas plants in VA#237 of 2009 nationally
812 MW Natural Gas operating in Loudoun, VA — PJM Interconnection, LLC
EIAWD
812 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2017
Operating Since
Location
Coordinates
39.0581, -77.5450
County
Loudoun, VA
Nearby Plants
- Dulles Solar and StorageBESS150 MW · 12.6 km
- Montgomery County Resource RecoveryMuni. Waste67.8 MW · 17.7 km
- Dickerson PowerNatural Gas326 MW · 18.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Potomac Energy Center LLC | Potomac Energy Center | — |
| Owner(s) | Potomac Energy Center LLC | Blackstone | — |
| Status | Operating | — | — |
Ownership Chain
About
Potomac Energy Center, LLC is an 812 MW natural gas-fired combined cycle power plant located in Loudoun County, Virginia. The plant began operating in 2017 and consists of three generators. It is owned by Blackstone and operated by Potomac Energy Center LLC. The facility is connected to the PJM Interconnection, LLC balancing authority and resides within the SERC NERC region.
In its most recent year of operation, the Potomac Energy Center generated 4,742,336 MWh of electricity, achieving a capacity factor of 66.7%. The plant ranks as the 7th largest in Virginia out of 20 facilities, and 241st nationally out of 945 plants. Public records indicate that the plant has been the subject of 10 news articles, all of which pertain to deals.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
Stonewall Energy Park
OperationalGas800 MWPJM
Generation
529.5K MWh
Latest Month
4.7M MWh
Annual Generation
66.7%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Stonewater Substation · 230 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
1338431561
Pricing Hub
DOMINION HUB
Node Source
EIA-860 direct report
News & Articles (10)Beta
Regulatory·ferc order
Blackstone Hydro Associates; Notice of Effectiveness of Withdrawal of Operation Compliance Monitoring Plan
Blackstone Hydro Associates (other)
Federal Register (FERC)·1 weeks ago
Regulatory·ferc order
Blackstone Hydro Associates; Notice of Effectiveness of Withdrawal of Downstream Fishway Effectiveness Monitoring Plan
Blackstone Hydro Associates (other)
Federal Register (FERC)·1 weeks ago
Regulatory·permitting
Blackstone Hydro Associates; Notice of Application for Non-Capacity Amendment of License Accepted for Filing, Soliciting Comments, Motions To Intervene, and Protests
Blackstone Hydro Associates (other)
Federal Register (FERC)·1 weeks ago
Deals·m and a
Blackstone Announces Agreement to Acquire Hill Top Energy Center in Western Pennsylvania for Nearly $1 Billion
New York, NY – September 15, 2025 – Blackstone (NYSE: BX) announced today that private equity funds affiliated with Blackstone Energy...
Blackstone (buyer)Hill Top Energy Center (seller)
Blackstone·6 months ago
Last updated 2026-03-25
View all 10 articles