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12 MW Hydro operating in Chester, SC
12 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1907
Operating Since
Coordinates
34.5592, -80.8917
County
Chester, 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 Great Falls hydroelectric plant is located in Chester County, South Carolina. The plant, owned and operated by Duke Energy Carolinas, LLC, has a total capacity of 12 MW derived from four generators utilizing conventional hydroelectric technology. It began operating in 1907 and uses water (WAT) as its primary fuel source. The plant operates within the Duke Energy Carolinas balancing authority and the SERC NERC region.
Great Falls (SC) is ranked as the 17th largest of 33 power plants in South Carolina and 608th out of 1464 plants nationally. Financial data for the plant is available from FERC and FERC EQRs. The plant has a reported 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
44.0 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.
0 MWh
Latest Month
0 MWh
Annual Generation
0.0%
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 2026-03-26
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