Winterberry Solar — Plant Summary
- EIA Plant ID
- 68775
- Capacity
- 20 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Gloucester, VA
- Operating Since
- 2023
- Generators
- 1
- Operator
- Dominion Energy Inc.
- Parent Company
- Dominion Energy
- Annual Generation
- 41,100 MWh
- Capacity Factor
- 23.4%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- SERC
Winterberry Solar
OperatingSolar
Ranked #79 of 172 Solar plants in VA#1574 of 7447 nationally
20 MW Solar operating in Gloucester, VA — PJM Interconnection, LLC
EIAGEM
20 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2023
Operating Since
Location
Coordinates
37.3600, -76.5300
County
Gloucester, VA
Nearby Plants
- Gloucester SolarSolar19.9 MW · 10.6 km
- Waste Management Middle Peninsula LFGTELandfill Gas6.4 MW · 19.6 km
- Rochambeau SolarSolar19.9 MW · 20.0 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Dominion Energy Inc. | Dominion Energy | — |
| Owner(s) | Dominion Energy Inc. | Dominion Energy | — |
| Status | Operating | operating | — |
Ownership Chain
About
Winterberry Solar is a 20 MW solar photovoltaic power plant located in Gloucester County, Virginia. The plant began operating in 2023 and is owned and operated by Dominion Energy Inc. It utilizes single-axis tracking technology. Winterberry Solar is connected to the PJM Interconnection, LLC balancing authority and is within the SERC NERC region.
The plant's latest annual generation was 41,100 MWh, resulting in a capacity factor of 23.4%. Winterberry Solar is ranked as the 83rd largest solar plant in Virginia out of 168, and 1383rd nationally out of 7108. Financial data for the plant is available from LBNL and FERC.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
34.5 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Interconnection Queue1 projectBeta
Winterberry Solar
OperationalSolar20 MWPJM
Generation
2.2K MWh
Latest Month
41.1K MWh
Annual Generation
23.4%
Capacity Factor
Financial DataBeta
Source: FERC Form 1, LBNL Utility-Scale SolarHIGH
$1.9/MWh
Operating Cost
VIRGINIA ELECTRIC AND POWER COMPANY
Reporting Utility
Annual Capital & Operating Expenses
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
PJM
LMP Node
WHTMARDP36.5 KV WINTB_SP
Pricing Hub
DOMINION HUB
Location Type
Generation Node
Node Source
Curated node match
News & Articles (5)Beta
Grid·capacity addition
Two Peninsula solar farms are the latest in Dominion’s growing portfolio
Two large-scale solar facilities, Winterberry Solar and Norge Solar, went online at the end of November, and Dominion Energy said they'll...
Dominion (operator)
WHRO·2 years ago
Grid·capacity addition
Solar farms in James City, Gloucester counties go live as debate continues on how to manage them
The power grid in the region recently got a little greener. In late November, Dominion Energy added two local solar farms to its stable of...
Dominion Energy (operator)
Daily Press·2 years ago
Grid·capacity addition
Dominion Energy to expand utility-scale solar, storage
Dominion Energy plans to add nearly 1000 MW in solar and energy storage in Virginia.
Dominion Energy (developer)
Power Engineering·4 years ago
Grid·capacity addition
Dominion Energy Proposes Largest Expansion of Solar and Energy Storage for Benefit of Customers
PRNewswire/ -- In its second annual clean energy filing with the Virginia State Corporation Commission (SCC), Dominion Energy Virginia has...
Dominion Energy Virginia (developer)Virginia State Corporation Commission (regulator)
PR Newswire·4 years ago
Last updated 2026-03-14
View all 5 articles