Publication of the documents and opinions on the estimated cost of Cigéo... Andra, EDF and AREVA all wish to bring insights into the construction of the assessment of the costs of Cigéo as documents and opinions are disclosed today by the ASN on the project costing... The reference cost of the Cigéo storage considered at present by EDF, AREVA and CEA results of the assessment of a working group led in 2005 by the Ministry in charge of energy and that included Andra, EDF, AREVA, the CEA and ASN.