 In February 2012, President Sarkozy decided to extend the life of existing nuclear reactors beyond 40 years, following the Court of Audit decision that that would be the best option, for new nuclear capacity or other forms of energy would be more costly and available too late.Within ten years 22 out of the 58 reactors will have been operating for over 40 years.The court expects EDF's projected investment programme in existing plant, including post Fukushima safety improvements, will add between 9.5% and 14.5% to generation costs, taking costs to between 37.9 and .