Basemat concrete poured at Vogtle nuclear Unit 3

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Georgia Power, a unit of Southern Co. (NYSE: SO), has completed the placement of basemat structural concrete for the nuclear island at its Vogtle Unit 3 nuclear expansion site.

The placement at Vogtle Unit 3 encompassed approximately 7,000 cubic yards of concrete six feet in thickness, which will serve as the foundation for all of the nuclear island structures, including the containment vessel and the shield building. Once the basemat has cured, the containment vessel will be staged for installation. The company said the full outlines of both nuclear islands at Vogtle have been completed to grade level.

“This has been a week of momentous progress in bringing a new generation of safe, clean, reliable nuclear energy to the United States,” said Westinghouse President and CEO Danny Roderick. “In the span of a few short days, the foundations have been successfully completed for two new AP1000 units in the southeastern U.S. – the first new nuclear plants to start construction in the country in three decades.

Unit 3 is scheduled to go on line in 2017, and Unit 4 will follow in 2018. Southern Nuclear is overseeing construction of and will operate the two, 1,100 MW Westinghouse AP1000 reactors. Co-owners of the plant include Oglethorpe Power Corp., the Municipal Electric Authority of Georgia and Dalton Utilities.

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