The project completion costs are now estimated in the range of £ 2015 22 to 23bn (2) . As a consequence, the projected rate of return (IRR) for EDF is estimated between 7 1 % and 7 2 % (3)... The realisation of this risk would incur a potential additional cost in the order of £ 2015 0.7bn. In this case, the IRR for EDF would be reduced by 0 3 %.
