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157.6 MW Hydro operating in Pickens, SC
157.6 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1971
Operating Since
Coordinates
34.7981, -82.8872
County
Pickens, SC
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Carolinas, LLC | Duke Energy Carolinas | — |
| Owner(s) | Duke Energy Carolinas, LLC | Duke Energy | — |
| Status | Operating | operating | — |
The Keowee plant is a hydroelectric facility located in Pickens County, South Carolina. It has a total capacity of 157.6 MW across two generators and began operating in 1971. The plant's primary fuel source is water (WAT), and it utilizes conventional hydroelectric technology. Duke Energy is the parent company, with Duke Energy Carolinas, LLC acting as the operator. Keowee ranks as the 6th largest of 7 hydroelectric plants in South Carolina and 127th out of 194 nationally.
Keowee operates within the Duke Energy Carolinas balancing authority and the SERC NERC region. The plant's latest annual generation was 67,120 MWh, resulting in a capacity factor of 4.8%. Financial data indicates an installed cost of $1668.32 per kW and a power purchase agreement (PPA) price of $25 per MWh.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Duke Energy Carolinas (DUK)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
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.
6.3K MWh
Latest Month
67.1K MWh
Annual Generation
4.8%
Capacity Factor
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Duke Energy Carolinas, LLC · Data from 2015–2025
$25.0/MWh
PPA Price
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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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 2026-05-31
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