Hornsea 1 will be the world’s largest offshore wind farm once completed in 2020.: Aviva Investors is investing £400m (€450.8m) to help build the Hornsea 1 offshore wind farm project in the UK. In September, Danish energy firm Ørsted (formerly DONG Energy) agreed to sell 50% of the 1,218MW offshore wind farm to Global Infrastructure Partners (GIP) in a £4.46bn deal. As part of the deal GIP will partially finance its acquisition using a multi-tranche financing package of more than £3.5bn, containing a mixture of investment grade-rated project bonds.