Johnsonville Combustion Turbine Plant

Last updated
Johnsonville Combustion Turbine Plant
CountryUnited States
Location New Johnsonville, Tennessee
Coordinates 36°2′6″N87°59′2″W / 36.03500°N 87.98389°W / 36.03500; -87.98389 Coordinates: 36°2′6″N87°59′2″W / 36.03500°N 87.98389°W / 36.03500; -87.98389
StatusOperational
Commission date Units 1–16: 1975
Units 17–20: 2000
Owner(s) Tennessee Valley Authority
Operator(s)Tennessee Valley Authority
Thermal power station
Primary fuel Natural gas
Cooling source Tennessee River
Power generation
Units operational20
Nameplate capacity 1,200 MW

The Johnsonville Combustion Turbine Plant is a 1.2-gigawatt (1,200 MW), simple cycle natural gas power plant located in New Johnsonville, Tennessee in Humphreys County, Tennessee. It is operated by the Tennessee Valley Authority (TVA).

New Johnsonville, Tennessee City in Tennessee, United States

New Johnsonville is a city in Humphreys County, Tennessee, United States. The population was 1,951 at the 2010 census.

Humphreys County, Tennessee U.S. county in Tennessee

Humphreys County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 18,538. Its county seat is Waverly.

Tennessee U.S. state in the United States

Tennessee is a state located in the southeastern region of the United States. Tennessee is the 36th largest and the 16th most populous of the 50 United States. Tennessee is bordered by eight states, with Kentucky to the north, Virginia to the northeast, North Carolina to the east, Georgia, Alabama, and Mississippi to the south, Arkansas to the west, and Missouri to the northwest. The Appalachian Mountains dominate the eastern part of the state, and the Mississippi River forms the state's western border. Nashville is the state's capital and largest city, with a 2017 population of 667,560 and a 2017 metro population of 1,903,045. Tennessee's second largest city is Memphis, which had a population of 652,236 in 2017.

Contents

Background

In 1975 the TVA constructed 16 combustion turbine units at Johnsonville. Four more combustion turbine units were added in 2000. [1] These 20 units have a combined generating capacity of 1.2 gigawatts. [2] With the closure of the Johnsonville Fossil Plant, the TVA added a heat recovery generator to one of the combustion turbine units in 2017 to create the steam needed to produce titanium dioxide (TiO
2
) at the nearby Chemours plant. [1]

Johnsonville Fossil Plant Coal-fired power plant in New Johnsonville, Tennessee

The Johnsonville Fossil Plant was a 1.5-gigawatt, coal power plant located in New Johnsonville, Tennessee in Humphreys County, Tennessee. The plant generated electricity from 1951 to 2017. It was operated by the Tennessee Valley Authority (TVA).

Heat recovery steam generator energy recovery heat exchanger that recovers heat from a hot gas stream

A heat recovery steam generator (HRSG) is an energy recovery heat exchanger that recovers heat from a hot gas stream, such as a combustion turbine or other waste gas stream. It produces steam that can be used in a process (cogeneration) or used to drive a steam turbine.

Titanium dioxide chemical compound

Titanium dioxide, also known as titanium(IV) oxide or titania, is the naturally occurring oxide of titanium, chemical formula TiO
2
. When used as a pigment, it is called titanium white, Pigment White 6 (PW6), or CI 77891. Generally, it is sourced from ilmenite, rutile and anatase. It has a wide range of applications, including paint, sunscreen and food coloring. When used as a food coloring, it has E number E171. World production in 2014 exceeded 9 million metric tons. It has been estimated that titanium dioxide is used in two-thirds of all pigments, and pigments based on the oxide have been valued at $13.2 billion.

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References

  1. 1 2 "Full steam ahead: TVA co-generation plant saves 1,100 Chemours jobs". Chattanooga Times Free Press. December 6, 2016. Retrieved January 6, 2018.
  2. "Johnsonville Combustion Turbine Plant". TVA. Retrieved January 6, 2018.