The largest creditor of the bankrupt parent of Oncor Electric Delivery Co, Elliott Management, said it was putting together an offer that values the utility at about $18.5 billion, including debt.On Friday, Warren Buffet’s Berkshire Hathaway (..

Warren Buffett's Berkshire Hathaway Inc (NYSE: BRK.B) announced Friday that it will pay $9 billion, all-cash offer, to pick up from bankruptcy and reorganize Energy Future Holdings Corp. the parent company of Oncor Electric Delivery Co. It is on..