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Grand Gulf Nuclear Plant Unit 3, Port Gibson, Mississippi

STATUS:  Temporarily Suspended

TYPE: Nuclear

OPPOSITION:  Sierra Club, Nuclear Information and Research Service, and the Mississippi NAACP.

PROSPECTS:  Indeterminate 

BACKGROUND:  On September 22, 2005, a consortium of 12 nuclear companies (operating under the name NuStart) announced that it planned to seek a license for a new nuclear reactor at Entergy’s Grand Gulf Nuclear Power Plant in Port Gibson, Mississippi.  In March 2007, the U.S. Nuclear Regulatory Commission (NRC) issued an Early Site Permit for the project. 

On February 27, 2008, Entergy Operations, Inc. submitted a Combined Operating License Application with the NRC for the Grand Gulf Unit 3 project.  The original reactor plans in the application specify a single, 1,550-megawatt Economic Simplified Boiling Water Reactor.  Entergy estimated that plant construction costs, based on overnight capital costs, would be $5 billion.

Environmental and consumer groups, including Sierra Club, Nuclear Information and Research Service, and the Mississippi NAACP, opposed the project, and mounted a failed attempt to intervene against the Early Site Permit on a variety of grounds.

In 2009, Entergy temporarily suspended the Grand Gulf Unit 3 application after it was unable to strike a deal regarding reactor designs.  Entergy is reportedly examining different reactor technologies.

SOURCES:  Entergy Nuclear web site (http://www.entergy-nuclear.com/new_nuclear/esp.aspx);
NRC (http://www.nrc.gov/reactors/new-reactors/col/grand-gulf.html; http://adamswebsearch2.nrc.gov/idmws/doccontent.dll?library=PU_ADAMS^PBNTAD01&ID=080650106);
New Orleans Times-Picayune (http://www.nola.com/business/index.ssf/2010/03/entergy_asks_psc_to_affirm_sup.html);
U.S. Department of Energy (http://nuclear.energy.gov/np2010/neScorecard/pdfFiles/scorecard_suppl_2010_04.pdf).

Last Updated: November 5, 2010