The ENDESA and IBERDROLA groups, on the one side, and REPSOL petroleum company and its subsidiary GAS NATURAL, on the other, are discussing an alliance that would put an end to their conflicts. REPSOL, via its specialised offshoot, has its eye on IBERDROLA which is already in talks with ENDESA, with a view to a merger. The negotiated solution would involve REPSOL and GAS NATURAL entering the power sector by buying shares in the group formed through the merger of ENDESA and IBERDROLA, that...