The share of nuclear energy, as a low-carbon form of energy and a part of the Group' s' electricity mix, thus represents a significant industrial asset for the competitiveness and development of the Group... As for the last core provision, costs based on year-end economic conditions are estimated at 4 331 million and provision at present value amounts are valued 2 624 million, as the discounting effect is very significant due to distant waste storage maturities.