By Nicholas Earl The Government’s support package to ease soaring household energy bills could climb as high as £140bn, warned energy specialist Cornwall Insight. This would mean the Energy Price Guarantee, which freezes energy bills at £2,500 per year for average use over the next two years, would cost more than double the £69bn furlough scheme. As it stands, the Government is intending to put the costs onto borrowing, rather than asking the taxpayer to repay them directly. Cornwall Insight has established four plausible different energy market scenarios based on a mix of recent market price …