10 MW Solar operating in Clarke, VA — PJM Interconnection, LLC
10 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2017
Operating Since
Coordinates
39.0648, -78.1382
County
Clarke, VA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Dominion Renewable Energy | Dominion Renewable Energy | — |
| Owner(s) | Dominion Renewable Energy | — | — |
| Status | Operating | operating | — |
Hecate Energy Clarke County LLC is a 10 MW solar photovoltaic power plant located in Clarke County, Virginia. The plant began operating in 2017 and has one generator. It is owned and operated by Dominion Renewable Energy. The facility utilizes single-axis tracking to maximize solar energy capture. It ranks as the 120th largest power plant in Virginia out of 168, and 1861st nationally out of 7108.
The plant's primary fuel source is solar (SUN). In its most recent year of operation, Hecate Energy Clarke County generated 15,210 MWh of electricity, resulting in a capacity factor of 17.3%. The plant operates within the PJM Interconnection, LLC balancing authority and the SERC NERC region. Financial data is available for the plant from LBNL, though specific figures are not provided.
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
34.5 kV
Regulatory Status
NR
Entity Type
Investor-Owned Utility
Sector
IPP Non-CHP
515 MWh
Latest Month
15.2K MWh
Annual Generation
17.3%
Capacity Factor
$73.7/MWh
LCOE (Levelized Cost)
$35.1/MWh
Energy Value
Point of Interconnection
Nearest Substation
Double Toll Gate Substation · 138 kV
Substation Distance
0.386 km
Operator
Potomac Edison/Rappahannock Electric Cooperative
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
DOUBLETO138 KV T4
Pricing Hub
DOMINION HUB
Location Type
Load Node
Node Source
Curated node match
Last updated 2026-03-26
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