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The North Anna Nuclear Generating Station is a nuclear power plant on a site in Louisa County, Virginia, in the Mid-Atlantic United States. The site is operated by Dominion Generation company and is jointly owned by the Dominion Virginia Power corporation (88.4%) and by the Old Dominion Electric Cooperative (11.6%). The plant has two Westinghouse pressurized water reactors which went on-line in 1978 and 1980 respectively. Together the reactors generate 1.79 gigawatts of power, which is distributed mainly to the greater Richmond area and to Northern Virginia. In March 2003, the NRC approved 20 year license extensions for both Units 1 & 2.〔(【引用サイトリンク】url=http://www.nrc.gov/reactors/operating/licensing/renewal/applications/northanna-surry.html )〕 An artificial lake, Lake Anna, was constructed on the North Anna River to provide a reservoir of water coolant for use with the nuclear plant. Dominion currently owns nuclear power plants in Virginia (North Anna, Surry), Connecticut (Millstone), and Wisconsin (Kewaunee). North Anna is similar in design and appearance to Surry Power Station. ==Surrounding population== The Nuclear Regulatory Commission defines two emergency planning zones around nuclear power plants: a plume exposure pathway zone with a radius of , concerned primarily with exposure to, and inhalation of, airborne radioactive contamination, and an ingestion pathway zone of about , concerned primarily with ingestion of food and liquid contaminated by radioactivity.〔http://www.nrc.gov/reading-rm/doc-collections/fact-sheets/emerg-plan-prep-nuc-power-bg.html〕 The 2010 U.S. population within of North Anna was 21,396, an increase of 15.7 percent in a decade, according to an analysis of U.S. Census data for msnbc.com. The 2010 U.S. population within was 1,912,015, an increase of 22.6 percent since 2000. Cities within 50 miles include Richmond (40 miles to city center).〔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.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「North Anna Nuclear Generating Station」の詳細全文を読む スポンサード リンク
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