Southampton Solar, LLC
Solar power plant in Southampton County, Virginia. 100 MW of nameplate capacity across 1 generator, operated by Dominion Renewable Energy.
Also known as Southampton Solar · EIA plant 61422
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 100 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2017First generator online
- Operator
- Dominion Renewable EnergyEIA operator ID 58468
- Grid
- PJMBalancing authority PJM
- Price nodes
- 1 PJM nodeResource nodes with prices
- Location
- Southampton County, VA36.6140, −77.1660
- EIA plant ID
- 61422EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Southampton Solar produces
Free · EIA-923Net generation, 2025
174 GWh
174,208 MWh, final
Capacity factor, 2025
19.9%
2024: 18.4%
January to July 2026
130 GWh
Provisional
Range, 2018 to 2025
119.7–223.9
GWh a year. Low 2023, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | 19,745 | Not reported | 3 of 12 |
| 2018 | 207,258 | 23.7% | 12 of 12 |
| 2019 | 223,874 | 25.6% | 12 of 12 |
| 2020 | 198,986 | 22.7% | 12 of 12 |
| 2021 | 189,319 | 21.6% | 12 of 12 |
| 2022 | 189,446 | 21.6% | 12 of 12 |
| 2023 | 119,726 | 13.7% | 12 of 12 |
| 2024 | 161,377 | 18.4% | 12 of 12 |
| 2025 | 174,208 | 19.9% | 12 of 12 |
| 2026 (provisional, partial year) | 130,235 | 25.6% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · PJMEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| PV1 | Solar Photovoltaic | 100.0 | December 2017 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Dominion Renewable Energy as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near Southampton Solar
More plants operated by Dominion Renewable Energy
Questions about Southampton Solar
How much power does Southampton Solar, LLC produce?
Southampton Solar, LLC reported 174,208 MWh (174 GWh) of net generation in 2025, a 19.9% capacity factor on 100 MW of nameplate capacity. From January to July 2026 it reported 130 GWh, which is provisional.
Where is Southampton Solar, LLC?
Southampton Solar, LLC is in Southampton County, Virginia, at 36.6140, −77.1660. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Southampton Solar, LLC?
EIA-860M for August 2026 lists Dominion Renewable Energy as the operator (EIA operator ID 58468). The operator is not always the owner.
When did Southampton Solar, LLC start operating?
Its first generator began operating in December 2017, according to EIA-860M.
Does InfraMap have power prices for Southampton Solar, LLC?
Yes. InfraMap has PJM day-ahead and real-time prices at 1 price node linked to Southampton Solar, LLC, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- PJM day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page