SCE&G parent Scana Corporation Public Service Commission of South Carolina. Westinghouse had publicly stated the additional costs associated with completing AP1000 projects at Summer and Vogtle, above what it could contractually require the project owners to pay, is about $4 billion… Four addytional AP1000 units are under construction in China - two each at Sanmen and Haiyang - are not expected to be affected by the bankruptcy filing which only applies to Westinghouse's US operations.