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definition - Callaway_Nuclear_Generating_Station

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Callaway Nuclear Generating Station

Callaway Plant
Callaway Nuclear Generating Station is located in Missouri
Location of Callaway Plant
Country United States
Location Auxvasse Township, Callaway County, near Steedman, Missouri
Coordinates 38°45.7′N 91°46.8′W / 38.7617°N 91.78°W / 38.7617; -91.78Coordinates: 38°45.7′N 91°46.8′W / 38.7617°N 91.78°W / 38.7617; -91.78
Status Operational
Commission date December 19, 1984
Licence expiration October 18, 2024
Operator(s) Ameren Missouri
Architect(s) Bechtel Corporation
Reactor information
Reactors operational 1 x 1,300 MW
Reactors planned 1 x 1,600 MW
Reactor type(s) pressurized water reactor
Reactor supplier(s) Westinghouse (Unit 1)
Power station information
Generation units 1 General Electric
Power generation information
Annual generation 9,372 GW·h
Callaway Plant website
As of 2008-11-14

The Callaway Plant is a nuclear power plant located on a 5,228-acre (21 km²) site in Callaway County, Missouri, near Fulton, Missouri. It began operating on December 19, 1984. The plant, which is the state's only commercial nuclear unit, has one 1,190-megawatt Westinghouse four-loop pressurized water reactor and a General Electric turbine-generator. It is owned by the Ameren Corporation and operated by Ameren Missouri.


  Surrounding population

The Nuclear Regulatory Commission defines two emergency planning zones around nuclear power plants: a plume exposure pathway zone with a radius of 10 miles (16 km), concerned primarily with exposure to, and inhalation of, airborne radioactive contamination, and an ingestion pathway zone of about 50 miles (80 km), concerned primarily with ingestion of food and liquid contaminated by radioactivity.[1]

The 2010 U.S. population within 10 miles (16 km) of Callaway was 10,092, an increase of 3.8 percent in a decade, according to an analysis of U.S. Census data for msnbc.com. The 2010 U.S. population within 50 miles (80 km) was 546,292, an increase of 15.0 percent since 2000. Cities within 50 miles include Fulton (11 miles to city center), Jefferson City (26 miles to city center), Columbia (32 miles to city center).[2]

  Power Output

According to Ameren, Callaway produces about 19 percent of Ameren Missouri's power.[3] In 2001, Callaway set a plant record for capacity utilization, producing 101.1 percent of its rated electrical output, ranking it among the world's top reactors, according to the Energy Information Administration.[4] The plant produces 1,279 electrical megawatts (MWe) of net power,[5] and has run continuously for over 500 days between refuelings. Callaway is one of 26 nuclear power plants in the United States to achieve a continuous run of over 500 days.

On November 19, 2005, its workers completed the replacement of all four steam generators in 63 days, 13 hours, setting a world record for a four-loop plant.[6]

  Cooling Tower

The cooling tower at Callaway is 553 feet tall, 77 feet shorter than the St Louis Gateway Arch. It is 430 feet wide at the base, and is constructed from reinforced concrete. It cools approximately 585,000 gallons of water per minute when the plant is operating at full capacity, and about 15,000 gallons of water per minute are lost out the top from evaporation.[7] Another 5,000 gallons of water are sent to the Missouri River as "blowdown" to flush solids from the cooling tower basin. All water lost through evaporation or blowdown is replaced with water from the river, located five miles from the plant.[8] The temperature of the water going into the cooling tower is 125° Fahrenheit, and the tower cools it to 95°. The tower is designed such that if it were to somehow topple over completely intact, it would not damage any of the critical plant structures.[citation needed]

  Unit 2

On July 28, 2008, Ameren Missouri submitted an application to the U.S. Nuclear Regulatory Commission (NRC), seeking a Combined Construction and Operating License (COL) for a potential second unit. According to Thomas R. Voss, president and chief executive officer of Ameren Missouri, "Given projections for a nearly 30 percent increase in demand for power in Missouri in the next two decades, we believe we will need to build a large generating plant to be on line in the 2018–2020 timeframe."[3] Ameren Missouri proposed building a 1,600-MW Areva Evolutionary Power Reactor (EPR).[9]

In April 2009, the proposal was cancelled. A key stumbling block was a law barring utilities from charging customers for the interest accrued on the $6 billion loan required to build a new power plant prior to it producing electricity. The new nuclear plant would have cost at least $6 billion.[10][11]

On April 19, 2012 Ameren Missouri and Westinghouse Electric Company announced their intent to seek federal funding for a new generation of nuclear reactors to be installed at the Callaway site. The U.S. Department of Energy could provide up to $452 million dollars in research and development funds to Westinghouse. The new reactors would be smaller and safer in design than any currently operating. Ameren Missouri would apply to license up five of the 225-megawatt reactors at the Callaway site, more than doubling its current electrical output.[12]

  Seismic risk

The Nuclear Regulatory Commission's estimate of the risk each year of an earthquake intense enough to cause core damage to the reactor at Callaway was 1 in 500,000, according to an NRC study published in August 2010.[13][14] This was the lowest probability of any U.S. reactor.


  1. ^ http://www.nrc.gov/reading-rm/doc-collections/fact-sheets/emerg-plan-prep-nuc-power-bg.html
  2. ^ Bill Dedman, Nuclear neighbors: Population rises near US reactors, msnbc.com, April 14, 2011 http://www.msnbc.msn.com/id/42555888/ns/us_news-life/ Accessed May 1, 2011.
  3. ^ a b "Ameren Missouri Submits Combined Construction and Operating License Application for a Second Nuclear Generating Unit". Ameren. 2008-07-28. http://ameren.mediaroom.com/index.php?s=43&item=512. Retrieved 2008-07-29. 
  4. ^ "Missouri Nuclear Industry". Energy Information Administration. 2006-08-18. http://www.eia.doe.gov/cneaf/nuclear/page/at_a_glance/states/statesmo.html. Retrieved 2008-12-30. 
  5. ^ https://www.ameren.com/callaway/ADC_PlantProfile.asp
  6. ^ "Callaway Nuclear Plant Returns to Service Following Refueling and Maintenance; Sets World Record for Steam Generator Replacement". Ameren. 2005-11-21. http://ameren.mediaroom.com/index.php?s=43&item=182. Retrieved 2008-07-29. 
  7. ^ https://www.ameren.com/callaway/ADC_FactsandFigures.asp
  8. ^ https://www.ameren.com/callaway/ADC_FactsandFigures.asp
  9. ^ Dan Yurman (2008-07-28). "Ameren files for 2nd reactor with NRC". Idaho Samizdat: Nuke Notes. http://djysrv.blogspot.com/2008/07/ameren-files-for-2nd-reactor-with-nrc.html. Retrieved 2008-07-29. 
  10. ^ Nuke plant is, well, nuked. Not gonna happen
  11. ^ Terry Ganey. AmerenUE pulls plug on project Columbia Daily Tribune, April 23, 2009.
  12. ^ "Federal aid sought to build nuclear reactors in Missouri". The Kansas City Star. 2012-04-19. http://www.kansascity.com/2012/04/19/3565561/federal-aid-sought-to-build-nuclear.html. Retrieved 2012-04-20. 
  13. ^ Bill Dedman, "What are the odds? US nuke plants ranked by quake risk," msnbc.com, March 17, 2011 http://www.msnbc.msn.com/id/42103936/ Accessed April 19, 2011.
  14. ^ http://msnbcmedia.msn.com/i/msnbc/Sections/NEWS/quake%20nrc%20risk%20estimates.pdf

  External links



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