Vattenfall has says it has now examined 20 turbines at Horns Rev 1 and another five at Kentish Flats, and concluded that the transition pieces connecting the towers to the monopile foundations sunk into the seabed must be repaired.
Rechargeearlier reported that hundreds of offshore turbines in the North Sea are under investigation after problems with a transition piece were uncovered at a Dutch offshore wind farm last autumn.
