Grouting problems affect offshore wind

Offshore wind farm firms are examining a flaw that causes some turbine towers to slip

Offshore wind farm firms are examining a flaw that causes some turbine towers to slip. It has been linked to problems with the grouting between monopile foundations and a ‘transition piece’ to which the turbine tower is attached.

The grouting has begun to fail due to the high stresses that turbines are placed under at sea, leading to some transition pieces to slip by several centimetres.

DONG Energy says its Burbo Bank project is affected.  Centrica has also said it is looking into possible issues at its Lynn and Inner Dowsing wind farm off the Lincolnshire coast, and its Barrow site off the Barrow-in-Furness coast.

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