Hecate Energy Clarke County LLC

OperatingSolar

Ranked #124 of 176 Solar plants in VA#2111 of 7790 nationally

10 MW Solar operating in Clarke, VA — PJM Interconnection, LLC

EIAGEMWD

10 MW

Nameplate Capacity

Generators

unit

Solar Photovoltaic

Technology

2017

Operating Since

Location

Coordinates

39.0648, -78.1382

County

Clarke, VA

Nearby Plants

HP Hood CT
Natural Gas15 MW · 8.1 km
Frederick County LFGTE Facility
Landfill Gas2 MW · 9.1 km
Bartonsville Energy Facility, LLC
Solar130 MW · 9.2 km

Status

as of 9y 2m ago

Latest milestoneconstruction begunThe Winchester Star · 2017-03-31

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Dominion Renewable Energy	Dominion Renewable Energy	—
Owner(s)	Dominion Renewable Energy	—	—
Status	Operating	operating	—

Ownership Chain

No GEM tracker match for this plant — ownership chain unavailable.

About

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

EIA Plant Profile Wikidata Global Energy Monitor

Engineering & Generators

Grid Context

ISO/RTO

PJM

Market

ISO/RTO Member

NERC Region

SERC — SERC Reliability Corporation

Balancing Authority

Generation

515 MWh

Latest Month

15.2K MWh

Annual Generation

17.3%

Capacity Factor

Jan 2022 – Dec 2024

Financial Data

LBNL SolarLBNL Utility-Scale Solar, OEDI SolarOEDI Solar Market ValuesHIGH

Data from 2017–2024

Construction CostOperating CostPricing & Revenue

$35.1/MWh

Energy Value

$3.6/MWh

Capacity Value

Pricing & Market Data

HIGH confidence

Point of Interconnection

Nearest Substation

Double Toll Gate Substation · 138 kV

Substation Distance

0.387 km

Operator

Potomac Edison/Rappahannock Electric Cooperative

Coord Source

OSM spatial

Market Position

ISO/RTO Market

PJM

LMP Node

DOUBLETO34.5 KV DBLTLGSP

Pricing Hub

DOMINION HUB

Alt. Hub / Zone

WESTERN HUB

Location Type

Generation Node

Node Source

Curated node match

News & Articles (2)Beta

Last updated 2026-03-26

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EIA Wikidata GEM

Hecate Energy Clarke County LLC — Plant Summary

Hecate Energy Clarke County LLC

Ownership Chain