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145.2 MW Hydro operating in Berkeley, SC
145.2 MW
Nameplate Capacity
5
Generators
units
Conventional Hydroelectric
Technology
1942
Operating Since
Coordinates
33.2444, -79.9909
County
Berkeley, SC
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | South Carolina Public Service Authority | South Carolina Public Service Authority | — |
| 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
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
South Carolina Public Service Authority (SC)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
State
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
19.0K MWh
Latest Month
248.0K MWh
Annual Generation
19.4%
Capacity Factor
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CO₂ Intensity
—
NOx
—
SO₂
—
CH₄
0.000 lb/MWh
N₂O
0.000 lb/MWh
Capacity Factor
19.5%
Annual Net Gen
248 GWh
CO₂eq
0.000 lb/MWh
Subregion
SERC Virginia/Carolina
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $333.2M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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