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150 MW Batteries (50 MW) + Solar Photovoltaic (100 MW) under construction in Loudoun, VA
150 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
—
Operating Since
Coordinates
38.9500, -77.5000
County
Loudoun, VA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Dominion Energy Inc. | Dominion Energy | — |
| Owner(s) | Dominion Energy Inc. | Dominion Energy | — |
| Status | Under construction | construction | — |
Dulles Solar and Storage is a hybrid power plant located in Loudoun County, Virginia. The facility has a total capacity of 150 MW and is owned and operated by Dominion Energy. It combines solar photovoltaic generation with battery storage, utilizing two generators. The solar component employs a fixed tilt tracking system.
The plant's primary fuel source is listed as MWH, reflecting its reliance on solar energy and battery storage. Dulles Solar and Storage operates within the PJM Interconnection, LLC balancing authority and the SERC NERC region. It is ranked as the 6th largest solar facility in Virginia and 387th nationally out of 514 similar plants.
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
235.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
No generation data available for this plant.
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2023
$1,543/kW
Est. Construction Cost
Total estimated cost: $231.4M
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Point of Interconnection
Nearest Substation
Mars Substation · 500 kV
Substation Distance
0.713 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
CELESTIA34.5 KV DULLE1BS
Pricing Hub
DOMINION HUB
Location Type
Generation Node
Node Source
Curated node match
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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