145.2 MW Hydro operating in Berkeley, SC — South Carolina Public Service Authority
145.2 MW
Nameplate Capacity
5
Generators
units
Conventional Hydroelectric
Technology
1942
Operating Since
Coordinates
33.2444, -79.9909
County
Berkeley, SC
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | South Carolina Public Service Authority | South Carolina Public Service Authority [100%] | — |
| Owner(s) | South Carolina Public Service Authority | South Carolina Public Service Authority | — |
| Status | Operating | operating | — |
Pinopolis Dam is a dam in Berkeley County, South Carolina.
Read more on WikipediaThe Jefferies Hydroelectric Generating Station, plant ID 3319, is located in Berkeley County, South Carolina. It is owned and operated by the South Carolina Public Service Authority (Santee Cooper). The plant began operating in 1942 and has a total capacity of 145.2 MW across five conventional hydroelectric generators. The primary fuel source is water (WAT).
Jefferies is the 7th largest hydroelectric plant in South Carolina and ranks 133rd nationally. The plant operates within the South Carolina Public Service Authority balancing authority and the SERC NERC region. In the most recent year with available data, the plant generated 247,953 MWh, achieving a capacity factor of 19.4%.
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
South Carolina Public Service Authority
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
State
Sector
Electric Utility
19.0K MWh
Latest Month
248.0K MWh
Annual Generation
19.4%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Blackstone to acquire MacLean Power Systems, merge with Power Grid Components
Blackstone is acquiring MacLean Power Systems to merge it with portfolio company Power Grid Components, creating one of the largest U.S....
Aypa Power to build, own, and operate 1,200MWh South Carolina BESS
Santee Cooper has applied for a CECPCN with the PSC for its 300MW/1200MWh battery energy storage system (BESS).
Google-NextEra, Santee Cooper announcements signal new life for defunct nuclear projects
Restarting a once fully operational plant is the fastest path to unlock large-scale nuclear power to meet AI growth in the near-term,”...
New gas plant at Canadys & VC Summer restart planned. How much power will SC add?
Santee Cooper approved next steps for the V.C. Summer nuclear reactors and a natural gas plant in Canadys during a Friday meeting in...
Last updated 2026-03-14
View all 10 articles