Rancho Seco Nuclear Generating Station

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Decommissioned Reactors ( gross ):

The Rancho Seco Nuclear Power Plant is a decommissioned nuclear power plant in Clay Station, California, United States. The owner and operator is the public utilities Sacramento Municipal Utility District ( SMUD ).

History

SMUD in 1966 bought an eight square kilometers of land in the southeast of Sacramento County for a nuclear power plant, which was built at Clay Station, 40 kilometers southeast of the Downtown Sacramento. On April 1, 1969, the construction of the nuclear power plant began. In the early 1970s, a small pond was expanded to 0.6 km2 in order to ensure the emergency water supply in case of fire the power plant for the power plant. The lake received its water from the Folsom South Canal and has no relation with the power plant in the daily water supply. On October 13, 1974, the reactor was first synchronized with the power grid and took on 17 April 1975 commercial operation on.

The final shutdown was carried out by a referendum on June 7, 1989, despite the fact that the approval was still running until 11 October 2008. Cause of this political decommissioning Entscheides was an incident in the previous year: The reactor had to be notgekühlt. Because already had significant embrittlement of the reactor vessel of special steel by the continuous neutron bombardment from the core formed previously threatened a so-called pressurized thermal shock by the cold emergency cooling water, that is, it was to be expected with a rupture of the reactor vessel.

Since 2005 decommissioning activities are underway. Now you can fish and camp near the former plant site. After closure in 1989, the factory was converted into a public park, the Rancho Seco Park is, until today. SMUD will now use the revenue to finance the park all park operating costs. The cooling towers remain a prominent part of the local landscape. In the area there are still active air raid sirens that would have warned of the meltdown in Rancho Seco people. On the site now are also a solar power plant with a capacity of 3.9 MW and a natural gas- fired power plant, the Consumnes Power Plant, which was commissioned in 2006.

The reactor

Had the pressurized water reactor of Babcock & Wilcox a thermal power of 2772 MWt, a net electrical output of 873 MWe and an electric gross output of 917 MWe.

Data of the reactor units

The nuclear power plant Rancho Seco had a block:

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