Toshiba Corp. said Tuesday it has completed its acquisition of Westinghouse Electric Co., the U.S.-based nuclear power plant builder, from British Nuclear Fuels PLC.

Toshiba hopes its purchase will help it make inroads into the global nuclear power plant business.

The electronics maker acquired a 77 percent stake in Westinghouse for $4.16 billion. The deal is worth $5.4 billion in all.