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Sequoyah Nuclear Plant information


Sequoyah Nuclear Plant
Map
CountryUnited States
LocationHamilton County, near Soddy-Daisy, Tennessee
Coordinates35°13′35″N 85°5′30″W / 35.22639°N 85.09167°W / 35.22639; -85.09167
StatusOperational
Construction beganMay 27, 1970 (1970-05-27)
Commission dateUnit 1: July 1, 1981
Unit 2: June 1, 1982
Construction cost$3.455 billion (2007 USD)[1]
Owner(s)Tennessee Valley Authority
Operator(s)Tennessee Valley Authority
Nuclear power station
Reactor typePWR
Reactor supplierWestinghouse
Cooling towers2 × Natural Draft
(supplemental only)
Cooling sourceChickamauga Lake
Thermal capacity2 × 3455 MWth
Power generation
Units operational2 × 1220 MW
Make and modelWH 4-loop (ICECND)
Nameplate capacity2440 MW
Capacity factor91.38% (2017)
75.50% (lifetime)
Annual net output17,654 GWh (2021)
External links
WebsiteSequoyah Nuclear Plant
CommonsRelated media on Commons

The Sequoyah Nuclear Plant is a nuclear power plant located on 525 acres (212 ha) located 7 miles (11 km) east of Soddy-Daisy, Tennessee, and 20 miles (32 km) north of Chattanooga, abutting Chickamauga Lake, on the Tennessee River. The facility is owned and operated by the Tennessee Valley Authority (TVA).

The plant has two Westinghouse pressurized water reactors. Sequoyah units 1 & 2, as well as their sister plant at Watts Bar, both have ice condenser containment systems. In case of a large loss-of-coolant accident, steam generated by the leak is directed toward borated ice which helps condense the steam creating a lower pressure, allowing for a smaller containment building.

  1. ^ "EIA - State Nuclear Profiles". www.eia.gov. Retrieved 3 October 2017.

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