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596.7 MW Natural Gas operating in Fauquier, VA
596.7 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2004
Operating Since
Coordinates
38.5283, -77.7681
County
Fauquier, VA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Old Dominion Electric Coop | — | — |
| Owner(s) | Old Dominion Electric Coop | — | — |
| Status | Operating | — | — |
Marsh Run Generation Facility is a 596.7 MW natural gas-fired power plant located in Fauquier County, Virginia. The plant, which began operating in 2004, is owned and operated by Old Dominion Electric Cooperative. It consists of three natural gas-fired combustion turbine generators. Marsh Run is connected to the PJM Interconnection, LLC balancing authority and resides within the SERC NERC region. The plant ranks as the 9th largest in Virginia out of 20 plants, and 406th nationally out of 945 plants.
In the most recent year with available data, Marsh Run Generation Facility produced 390,791 MWh of electricity, resulting in a capacity factor of 7.4%. Financial data indicates an installed cost of $355.17 per kW, according to FERC filings.
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
RE — Regulated
Entity Type
Cooperative
Sector
Electric Utility
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.
25.7K MWh
Latest Month
390.8K MWh
Annual Generation
7.4%
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
1331 lb/MWh
NOx
0.395 lb/MWh
SO₂
0.007 lb/MWh
CH₄
0.027 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
4.8%
Annual Net Gen
215 GWh
CO₂eq
1333 lb/MWh
Subregion
SERC Virginia/Carolina
Gas turbine · Old Dominion Electric Cooperative · Data from 2015–2024
$317/kW
Installed Cost
$7/kW
Annual CapEx
$84.1/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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
Marsh Run Substation · 230 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
34887875
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.
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