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43.2 MW Hydro operating in Macon, NC
43.2 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1942
Operating Since
Coordinates
35.2712, -83.6759
County
Macon, NC
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 | — | — |
Nantahala is a hydroelectric power plant located in Macon County, North Carolina. The plant has a total capacity of 43.2 MW from a single generator and began operating in 1942. It is owned and operated by Duke Energy Carolinas, LLC, a subsidiary of Duke Energy. The plant utilizes conventional hydroelectric technology and its primary fuel source is water (WAT). Nantahala ranks as the 13th largest power plant in North Carolina out of 39, and 332nd nationally out of 1464.
In the most recent year with available data, Nantahala generated 182,712 MWh of electricity, achieving a capacity factor of 48.2%. The plant operates within the Duke Energy Carolinas balancing authority and the SERC NERC region. Financial data indicates that the plant has 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
161.0 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.
20.8K MWh
Latest Month
182.7K MWh
Annual Generation
48.2%
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 2026-03-14
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