Parties including Abu Dhabi’s Sheikh Mansour bin Zayed Al Nahyan is in talks over an investment worth about $1.5bn in RWE, according to Bloomberg.

The tie-up could include a strategic partnership in the Middle East, it was reported.

Abu Dhabi is home to Masdar, the state-backed group which is active in clean energy around the world.

RWE has suffered steep falls in profits amid a self-confessed “crisis” in its conventional generation business in Germany.

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