Shares in the US thin-film giant stormed up more than 45% on 9 April after chief executive Jim Hughes – handed the reins last spring – acknowledged past mistakes at the company, while insisting that CdTe is the right technology for the emerging subsidy-free era of PV.

Having lost money last year on its $3.4bn of sales, First Solar cheered investors by announcing it will return to profitability in 2013 on revenues of $3.8bn-$4.0bn