Danish giant has the world's largest offshore wind farm off the Humber. : The below average conditions in the first nine months of 2021 - down from 9.8 metres per second to 8.7 - have seen more than £285 million of earnings wiped out. However, the ramping up of generation capacity and strong earnings in bioenergy saw significant growth still, up £331 million to £1.8 billion on revenues of £5.3 billion. Availability of assets was also maintained at 94 per cent.