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2410.2 MW Nuclear operating in York, SC
2,410.2 MW
Nameplate Capacity
2
Generators
units
Nuclear
Technology
1985
Operating Since
Coordinates
35.0514, -81.0694
County
York, SC
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Carolinas, LLC | Duke Energy | Duke Energy |
| Owner(s) | Duke Energy Carolinas, LLC, North Carolina El Member Corp, North Carolina Mun Power Agny #1, Piedmont Municipal Power Agny | Duke Energy | — |
| Status | Operating | operating | — |
The Catawba Nuclear Station is a nuclear power plant located on a 391-acre (158 ha) peninsula, called "Concord Peninsula", that reaches out into Lake Wylie, in York, South Carolina, US. Catawba utilizes a pair of Westinghouse four-loop pressurized water reactors.
Read more on WikipediaCatawba Nuclear Station is a 2,410.2 MW nuclear power plant located in York County, South Carolina. The plant, which began operating in 1985, is owned and operated by Duke Energy Carolinas, LLC, a subsidiary of Duke Energy. It consists of two nuclear reactors and is the second-largest of four nuclear plants in the state, and the 14th-largest of 55 nationwide. Catawba operates within the Duke Energy Carolinas balancing authority and the SERC NERC region.
The plant's latest annual generation was 19,414,356 MWh, achieving a capacity factor of 91.9%. Financial data indicates an installed cost of $1,769.89 per kW. The plant has a reported PPA price of $25 per MWh. Financial data is sourced from FERC and FERC EQRs.
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.
1.8M MWh
Latest Month
19.4M MWh
Annual Generation
91.9%
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 2026-04-19
View all 8 articlesForward forecasts, scenario decomposition, and risk-decision tooling for this asset.
N.C. Municipal Power Agency No. 1 (NCMPA1) sold its 150 MW minority co-ownership stake in Catawba Nuclear Station to Central Electric Power Cooperative (SC electric co-ops) for $254M; Duke Energy Carolinas remains sole operator.
sourceDuke Energy Carolinas, LLC filed a Notice of Intent to prepare an Environmental Assessment at Catawba with the NRC/Federal Register, indicating active long-term licensing activity.
source