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93.6 MW Hydro operating in Polk, TN
93.6 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1943
Operating Since
Coordinates
35.1677, -84.2956
County
Polk, TN
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Owner(s) | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Status | Operating | operating | — |
Apalachia Dam is a hydroelectric dam on the Hiwassee River in Cherokee County, in the U.S. state of North Carolina. The dam is the lowermost of three dams on the river owned and operated by the Tennessee Valley Authority, which built the dam in the early 1940s to provide emergency power for aluminum production during World War II. While the dam is in North Carolina, an 8.3-mile (13.4 km) underground conduit carries water from the dam's reservoir to the powerhouse located 12 miles (19 km) downstream across the state line in Polk County, Tennessee. The dam and associated infrastructure were listed on the National Register of Historic Places in 2017. Apalachia Dam is classified by the U.S. Army Corps of Engineers as a high-hazard dam, meaning a dam failure may pose a deadly threat to nearby residents. The dam's condition is not made available to the public due to security concerns.
Read more on WikipediaApalachia is a hydroelectric power plant located in Polk County, Tennessee. The plant, which began operating in 1943, has a total capacity of 93.6 MW derived from two generators. It is owned and operated by the Tennessee Valley Authority (TVA). Apalachia utilizes conventional hydroelectric technology and its primary fuel source is water (WAT).
In the most recent year with available data, Apalachia generated 402,053 MWh of electricity, achieving a capacity factor of 48.9%. The plant operates within the Tennessee Valley Authority balancing authority and is situated in the SERC NERC region. Apalachia is ranked as the 15th largest power plant out of 29 in Tennessee, and nationally it holds the 204th position out of 1464 plants.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Tennessee Valley Authority (TVA)
Grid Voltage
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
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.
44.3K MWh
Latest Month
402.1K MWh
Annual Generation
48.9%
Capacity Factor
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2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $214.8M
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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.
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