Arkansas Nuclear One
Encyclopedia
Arkansas Nuclear One is a two-unit pressurized water reactor
nuclear power plant
located on Lake Dardanelle in Russellville, Arkansas
; it is the only nuclear power
plant in Arkansas
.
It is owned by Entergy
Arkansas and operated by Entergy
Nuclear.
.
. Unit two is the only one that uses the cooling tower; Unit One releases heat back into Lake Dardanelle.
defines two emergency planning zones around nuclear power plants: a plume exposure pathway zone with a radius of 10 miles (16.1 km), concerned primarily with exposure to, and inhalation of, airborne radioactive contamination, and an ingestion pathway zone of about 50 miles (80.5 km), concerned primarily with ingestion of food and liquid contaminated by radioactivity.
The 2010 U.S. population within 10 miles (16.1 km) of Arkansas Nuclear was 44,139, an increase of 17.2 percent in a decade, according to an analysis of U.S. Census data for msnbc.com. The 2010 U.S. population within 50 miles (80.5 km) was 308,219, an increase of 13.3 percent since 2000. Cities within 50 miles include Russellville (6 miles to city center).
Pressurized water reactor
Pressurized water reactors constitute a large majority of all western nuclear power plants and are one of three types of light water reactor , the other types being boiling water reactors and supercritical water reactors...
nuclear power plant
Nuclear power plant
A nuclear power plant is a thermal power station in which the heat source is one or more nuclear reactors. As in a conventional thermal power station the heat is used to generate steam which drives a steam turbine connected to a generator which produces electricity.Nuclear power plants are usually...
located on Lake Dardanelle in Russellville, Arkansas
Russellville, Arkansas
Russellville is the county seat and largest city in Pope County, Arkansas, United States, with a population of 27,920, according to the 2010 Census. It is home to Arkansas Tech University and Arkansas Nuclear One, Arkansas' only nuclear power plant...
; it is the only nuclear power
Nuclear power
Nuclear power is the use of sustained nuclear fission to generate heat and electricity. Nuclear power plants provide about 6% of the world's energy and 13–14% of the world's electricity, with the U.S., France, and Japan together accounting for about 50% of nuclear generated electricity...
plant in Arkansas
Arkansas
Arkansas is a state located in the southern region of the United States. Its name is an Algonquian name of the Quapaw Indians. Arkansas shares borders with six states , and its eastern border is largely defined by the Mississippi River...
.
It is owned by Entergy
Entergy
Entergy Corporation is an integrated energy company engaged primarily in electric power production and retail distribution operations. It is headquartered in the Central Business District of New Orleans, Louisiana.-History:...
Arkansas and operated by Entergy
Entergy
Entergy Corporation is an integrated energy company engaged primarily in electric power production and retail distribution operations. It is headquartered in the Central Business District of New Orleans, Louisiana.-History:...
Nuclear.
Unit One
Unit One has a generating capacity of 846 MW of electricity, and came online on May 21, 1974. It is licensed to operate through May 20, 2034. Its nuclear reactor was supplied by Babcock and WilcoxBabcock and Wilcox
The Babcock & Wilcox Company is a U.S.-based company that provides design, engineering, manufacturing, construction and facilities management services to nuclear, renewable, fossil power, industrial and government customers worldwide. B&W's boilers supply more than 300,000 megawatts of installed...
.
Unit Two
Unit Two has a generating capacity of 930 MW of electricity, and came online on September 1, 1978. It is licensed to operate through July 18, 2038. Its nuclear reactor was supplied by Combustion EngineeringCombustion Engineering
Combustion Engineering was an American engineering firm and leading firm in the development of power systems in the United States with approximately 30,000 employees in about a dozen states at its peak. Headquartered in Stamford, Connecticut, C-E owned over two dozen other companies including...
. Unit two is the only one that uses the cooling tower; Unit One releases heat back into Lake Dardanelle.
Surrounding population
The Nuclear Regulatory CommissionNuclear Regulatory Commission
The Nuclear Regulatory Commission is an independent agency of the United States government that was established by the Energy Reorganization Act of 1974 from the United States Atomic Energy Commission, and was first opened January 19, 1975...
defines two emergency planning zones around nuclear power plants: a plume exposure pathway zone with a radius of 10 miles (16.1 km), concerned primarily with exposure to, and inhalation of, airborne radioactive contamination, and an ingestion pathway zone of about 50 miles (80.5 km), concerned primarily with ingestion of food and liquid contaminated by radioactivity.
The 2010 U.S. population within 10 miles (16.1 km) of Arkansas Nuclear was 44,139, an increase of 17.2 percent in a decade, according to an analysis of U.S. Census data for msnbc.com. The 2010 U.S. population within 50 miles (80.5 km) was 308,219, an increase of 13.3 percent since 2000. Cities within 50 miles include Russellville (6 miles to city center).