1.1 MW Batteries (1 MW) + Solar Photovoltaic (1 MW) operating in Sampson, NC — Duke Energy Progress East
1.1 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2023
Operating Since
Coordinates
35.0431, -78.5865
County
Sampson, NC
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | North Carolina El Member Corp | — | — |
| Owner(s) | North Carolina El Member Corp | — | — |
| Status | Operating | — | — |
South River H4 Solar Energy Storage is a hybrid solar and battery energy storage system located in Sampson County, North Carolina. The plant, owned and operated by North Carolina El Member Corp, began operating in 2023. It has a total capacity of 1.1 MW and consists of two generators utilizing both solar photovoltaic and battery technologies. The battery energy storage system (BESS) has a capacity of 1.1 MWh and a duration of 1.83 hours, employing lithium-ion battery chemistry (LIB). The solar array uses single-axis tracking.
The plant operates within the Duke Energy Progress East balancing authority and the SERC NERC region. In its latest year of operation, South River H4 generated 595 MWh, resulting in a capacity factor of 6.1%. The plant is ranked 34th out of 36 similar facilities in North Carolina and 1190th out of 1205 nationally. The plant's primary fuel source is listed as MWH, reflecting its reliance on stored energy.
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
Duke Energy Progress East
Grid Voltage
12.47 kV
Regulatory Status
RE
Entity Type
Cooperative
Sector
Electric Utility
33 MWh
Net Discharge
595 MWh
Annual Net Energy
6.1%
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.
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.