Arkansas Nuclear One (ANO) 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.

Arkansas Nuclear One 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 Wilcox.

Arkansas Nuclear One 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 Engineering. Unit two is the only one that uses the cooling tower; Unit One releases heat back into Lake Dardanelle.

Arkansas Nuclear One
Country United States
Locale Russellville, Arkansas
Status Operational
Construction began 1969
Commission date Unit 1: May 21, 1974
Unit 2: Sept. 1, 1978
Licence expiration Unit 1: May 20, 2034
Unit 2: July 18, 2038
Construction cost $901,500,000
Operator(s) Entergy
Architect(s) Bechtel

Reactor information
Reactors operational 1824 MW
Reactor type(s) Pressurized water reactor
Reactor supplier(s) Unit 1: Babcock and Wilcox
Unit 2: Combustion Eng.

Power station information
Generation units Unit 1: Westinghouse
Unit 2: General Electric

Power generation information
Installed capacity Unit 1: 846 MW
Unit 2: 930
Annual generation 15,978 GW·h

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