Lone Star Solar — Plant Summary
- EIA Plant ID
- 62235
- Capacity
- 132 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries, Solar Photovoltaic
- Status
- Operating
- Location
- Calhoun, SC
- Operating Since
- 2024
- Generators
- 2
- Operator
- Lone Star Solar
- Parent Company
- —
- Annual Generation
- 163,965 MWh
- Capacity Factor
- 14.2%
- Balancing Authority
- Dominion Energy South Carolina
- ISO/RTO
- —
- NERC Region
- SERC
Lone Star Solar
OperatingBESSSolarHybrid
Ranked #3 of 3 BESS plants in SC#265 of 837 nationally
132 MW Batteries (66 MW) + Solar Photovoltaic (66 MW) operating in Calhoun, SC — Dominion Energy South Carolina
EIAGEM
132 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2024
Operating Since
Location
Coordinates
33.6488, -80.6391
County
Calhoun, SC
Nearby Plants
- Cameron SolarSolar20 MW · 10.2 km
- Cameron Solar IISolar4.1 MW · 10.5 km
- St. Matthews SolarSolar10.2 MW · 12.0 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Lone Star Solar | Southern Current | — |
| Owner(s) | Lone Star Solar | energyRE | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as energyRE
This entity is not yet in the GEM ownership database — chain unavailable.
About
Lone Star Solar is a 132 MW hybrid power plant located in Calhoun County, South Carolina. The plant, which began operating in 2024, is owned and operated by Lone Star Solar. It utilizes both solar photovoltaic technology and battery storage. The facility has two generators and is considered the third-largest solar plant in South Carolina, and ranks 420th nationally. The plant connects to the Dominion Energy South Carolina balancing authority within the SERC NERC region.
The plant's battery energy storage system (BESS) has a capacity of 198 MWh, providing 3 hours of duration and utilizing lithium-ion battery chemistry (LIB). The solar array uses single-axis tracking. The latest annual generation data shows an output of 163,965 MWh, resulting in a capacity factor of 14.2%. Financial data is available for the plant, sourced from LBNL Solar.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Dominion Energy South Carolina
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
7.9K MWh
Net Discharge
164.0K MWh
Annual Net Energy
14.2%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$52.5/MWh
LCOE (Levelized Cost)
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Deals·project finance
EnergyRe bags US$370 million for South Carolina PV projects
US renewables developer EnergyRe has reached financial close on a solar PV portfolio in the US state of South Carolina.
EnergyRe (developer)
PV Tech·4 months ago
Deals·ppa
Google Invests In Solar and Storage In South Carolina
Google recently signed a clean energy agreement to purchase Renewable Energy Credits from energyRe's upcoming 600 MW clean energy portfolio...
Google (buyer)energyRe (developer)
The Business Download |·10 months ago
Deals·project finance
energyRe Secures Funding for Solar and Storage Project in South Carolina
energyRe, an independent solar, wind, and energy storage project developer, secured $155 million in project financing and an $85 million tax equity commitment.
energyRe (developer)
Mercom Capital Group·1 years ago
Deals·project finance
Developer energyRe gets US$240 million for South Carolina solar-plus-storage project
Developer energyRe has secured US$240 mllion from Bank of America to fund the 108MWdc/198MWh Lone Star solar-plus-storage project in South Carolina, US.
energyRe (developer)Bank of America (lender)
Energy-Storage.News·1 years ago
Last updated 2026-03-26
View all 10 articles