Bechtel was awarded the contract and took over day - to - day construction of Plant Vogtle 's Units 3 and 4 after Westinghouse Electric filed for bankruptcy .
Westinghouse Electric is the designer and principal contractor for the two new reactors .
Bechtel was awarded the contract and took over day - to - day construction of Plant Vogtle 's Units 3 and 4 after Westinghouse Electric , the designer and principal contractor for the two new reactors , filed for bankruptcy .