(ANSA) - BELGRADE, MAR 29 - Elenko Bozhkov, the Bulgarian interim deputy energy minister, said that the government will sign front-end engineering design (FEED) contracts with Westinghouse Electric Company and Electricité de France (EDF) for the possible construction of four new nuclear reactors, the portal SeeNews reported. Bulgaria is close to signing a FEED contract with Westinghouse Electric for two potential AP1000 reactors at the Kozloduy nuclear power plant (NPP), and a similar contract will be signed with EDF for the Belene site, BTA reported. Bozhkov as saying at a nuclear energy conference hosted by the National Committee of Bulgaria to the World Energy Council (NCBWEC). (ANSA).