Palmetto Plains — Plant Summary
- EIA Plant ID
- 62679
- Capacity
- 75 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Orangeburg, SC
- Operating Since
- 2019
- Generators
- 1
- Operator
- Cubico USA, LLC
- Parent Company
- —
- Annual Generation
- 126,120 MWh
- Capacity Factor
- 19.2%
- Balancing Authority
- Dominion Energy South Carolina
- ISO/RTO
- —
- NERC Region
- SERC
Palmetto Plains
OperatingSolar
Ranked #9 of 145 Solar plants in SC#954 of 7447 nationally
75 MW Solar operating in Orangeburg, SC — Dominion Energy South Carolina
EIAGEMWD
75 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2019
Operating Since
Location
Coordinates
33.3411, -80.6972
County
Orangeburg, SC
Nearby Plants
- TWE Bowman Solar ProjectSolar75 MW · 2.9 km
- HuntleySolar75 MW · 6.1 km
- May RenewablesBESS200 MW · 15.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Cubico USA, LLC | Cypress Creek Renewables | — |
| Owner(s) | Cubico USA, LLC | Cubico USA LLC [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Cubico USA LLC [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Palmetto Plains is a 75 MW solar photovoltaic power plant located in Orangeburg County, South Carolina. The plant, which began operating in 2019, has a single generator utilizing single-axis tracking technology. Cubico USA, LLC is the owner and operator. In its most recent year of operation, the plant generated 126,120 MWh, achieving a capacity factor of 19.2%. Palmetto Plains ranks as the 9th largest solar plant in South Carolina out of 143, and 793rd nationally out of 7108 plants.
The plant operates within the Dominion Energy South Carolina balancing authority and is part of the SERC NERC region. Financial data is available for Palmetto Plains via LBNL, though specific metrics are not provided in this dataset.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Dominion Energy South Carolina
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue2 projectsBeta
WithdrawnSolar75 MWSoutheastLBNL
Generation
5.3K MWh
Latest Month
126.1K MWh
Annual Generation
19.2%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$48.2/MWh
LCOE (Levelized Cost)
$29.5/MWh
Energy Value
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (7)Beta
Regulatory·permitting
Duke Energy Advances New 1.4-GW Gas-Hydrogen Power Plant in South Carolina Under New Energy Security Mandate
Duke Energy intends to submit an application to South Carolina's Public Service Commission (PSC) for approval to build a 1.4-GW gas-fired combined cycle plant...
Duke Energy (operator)South Carolina's Public Service Commission (regulator)
POWER Magazine·9 months ago
Industry·corporate
Cypress Creek, Cubico commission South Carolina’s largest PV project
Cypress Creek Renewables and Cubico Sustainable Investments have commissioned the Palmetto Plains PV installation, South Carolina's largest solar project in...
Cypress Creek Renewables (developer)Cubico Sustainable Investments (developer)
PV Tech·5 years ago
Industry·corporate
South Carolina High-Powered Solar Opportunity
The Palmetto Plains solar project is the largest solar farm in the state, producing 106 megawatts of power for Dominion Energy.
Dominion Energy (buyer)Palmetto Plains (developer)
The Business Download |·5 years ago
Deals·project finance
Cubico reaches financial close on 162MW solar plant in Texas
Cubico announced that it has reached financial close on the 162MW Wagyu solar project in Brazoria County, in the US state of Texas.
Cubico (developer)
NS Energy·6 years ago
Last updated 2026-03-14
View all 7 articles