R. E. Ginna Nuclear Power Plant
|Ginna nuclear power plant|
Ginna nuclear power plant
|Location||Ontario, New York|
|Construction began||April 25, 1966|
|Commission date||June 1, 1970|
|Construction cost||$346.15 million (2007 USD)|
|Nuclear power station|
|Cooling source||Lake Ontario|
|Units operational||1 × 580 MW|
|Nameplate capacity||580 MW|
|Annual net output||4930 GW·h|
The Robert Emmett Ginna Nuclear Power Plant, commonly known as Ginna (// ghih-NAY), is a nuclear power plant located on the southern shore of Lake Ontario, in the town of Ontario, Wayne County, New York, approximately 20 miles (32 km) east of Rochester, New York. It is a single unit Westinghouse 2-Loop pressurized water reactor, similar to those at Point Beach, Kewaunee, and Prairie Island. Ginna is one of the oldest nuclear power reactors still in operation in the United States, having gone into commercial operation in 1970.
The Ginna plant was the site of a nuclear accident when, on January 25, 1982, a small amount of radioactive steam leaked into the air after a steam-generator tube ruptured. The leak which lasted 93 minutes led to the declaration of a site emergency. The rupture was caused by a small pie-pan-shaped object left in the steam generator during an outage. This was not the first time a tube rupture had occurred at an American reactor but following on so closely behind the Three Mile Island accident caused considerable attention to be focused on the incident at the Ginna plant. In total, 485.3 curies of noble gas and 1.15 millicuries of iodine-131 were released to the environment  and 1,690 gallons of contaminated water was lost from the reactor.
In 1996 the original Westinghouse supplied steam generators (including the one that was damaged in 1982 and repaired) were replaced by two brand new Babcock & Wilcox steam generators. This project enabled an uprating of Ginna's output several years later and was a major factor in the approval of the plant's operating license extension for 20 years beyond the original license (originally valid until 2009).
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.
The 2010 U.S. population within 10 miles (16 km) of Ginna was 66,847, an increase of 12.7 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 1,269,589, an increase of 2.1 percent since 2000. Cities within 50 miles include Rochester (17 miles to city center). Canadian population is not included in these figures.
The Nuclear Regulatory Commission's estimate of the risk each year of an earthquake intense enough to cause core damage to the reactor at Ginna was 1 in 76,923, according to an NRC study published in August 2010.
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- obit. New York Times, May 19, 1996, https://www.nytimes.com/1996/05/19/us/robert-ginna-94-a-champion-of-nuclear-power.html?scp=1&sq=ginna&st=nyt
- "Constellation Energy Press Release, June 10, 2004" Archived October 24, 2007, at the Wayback Machine.. www.constellation.com. Retrieved 2007-07-09.
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- 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.
- 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.