Ofgem has started the tender process for Offshore Transmission Owner (OFTO) Tender Round Four (TR4). The bidding process will decide who owns the transmission assets of the 258MW Burbo Bank Extension windfarm.

Burbo Bank Extension offshore windfarm will consist of 32 x 8MW wind turbines indirectly owned by Dong Energy (50%), KIRKBI (25%) and PKA (25%).

The transmission system, currently valued at £230.2 million, is under construction and will include an offshore substation platform, offshore and onshore AC export cables and an onshore substation.