Toshiba Corp. said Tuesday its U.S. nuclear power unit, Westinghouse Electric Co., and U.S. engineering firm Shaw Group Inc. have won a deal to build two nuclear reactors in Florida.

They will construct the AP1000 reactors for Progress Energy Florida, a subsidiary of U.S. power utility firm Progress Energy, Toshiba said. The first of the reactors is planned to start operation in 2016 and the second in 2017.

This is the third such deal in the United States for Westinghouse since 2008. It won similar deals last spring to build two reactors each for Southern Co.'s Georgia Power and South Carolina Electric & Gas Co., a subsidiary of SCANA Corp.

Toshiba said nuclear plant construction and refurbishment demand is on the rise to provide a stable supply of electricity and prevent global warming.

Toshiba and Westinghouse will accelerate efforts to meet such market needs through aggressive business activities, Toshiba said.