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43.2 MW Hydro operating in Macon, NC — Duke Energy Carolinas
43.2 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1942
Operating Since
Coordinates
35.2712, -83.6759
County
Macon, NC
Nearby Plants
| 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
20.8K MWh
Latest Month
182.7K MWh
Annual Generation
48.2%
Capacity Factor
Duke Energy Carolinas, LLC · Data from 2015–2025
$25.0/MWh
PPA Price
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-03-14
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ask pi about NantahalaDuke Energy Carolinas (DUK)
Grid Voltage
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility