Markus Krebber, in a call with journalists, said however that Europe should strive for a more coherent and favourable regulatory framework, similar to that of the United States.

Germany's largest power producer RWE on Saturday said it had agreed to buy Con Edison's Clean Energy Businesses for $6.8 billion, nearly doubling RWE's renewables portfolio in the United States, the world's second-biggest renewables market.

(Reporting by Christoph Steitz; Editing by Riham Alkousaa)