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812 MW Natural Gas operating in Loudoun, VA
812 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2017
Operating Since
Coordinates
39.0581, -77.5450
County
Loudoun, VA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Potomac Energy Center LLC | Potomac Energy Center | — |
| Owner(s) | Potomac Energy Center LLC | Blackstone | — |
| Status | Operating | — | — |
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
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
529.5K MWh
Latest Month
4.7M MWh
Annual Generation
66.7%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
822 lb/MWh
NOx
0.036 lb/MWh
SO₂
0.001 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
62.3%
Annual Net Gen
4430 GWh
CO₂eq
823 lb/MWh
Subregion
SERC Virginia/Carolina
2017
$920/kW
Est. Construction Cost
Total estimated cost: $747.0M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Point 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
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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