LONDON, Nov 27 (Reuters) -
* Global asset manager Aviva Investors, part of Aviva PLC , will invest 400 million pounds ($511 million) to help build what will become the world’s largest offshore wind farm, Hornsea 1 in Britain, it said on Tuesday.
* The wind farm will have a capacity of around 1.2 gigawatts, which could power over 1 million UK homes.
* It will almost double the capacity of currently the world’s largest offshore wind farm, called Walney Extension, in which Aviva Investors provided 165 million pounds last year.
* Hornsea 1 will be located in the North Sea, off the Yorkshire coast, and is scheduled to be commissioned by 2020. ($1 = 0.7830 pounds) (Reporting by Ekaterina Kravtsova; editing by Nina Chestney)