The appointment means that Jim Lightfoot, currently director of operations for generation at E.ON UK, will become interim managing director of generation.
Mr Lightfoot will also operate as a member of the E.ON UK executive board during his tenure.
Paul Golby, CEO of E.ON UK, said: We would like to thank Bob for all of his hard work for us over his time with E.ON in the UK and also to wish him well in his new post.
