The contract includes theinspection and maintenance of the 49 jacket foundations of the wind turbinesand the transformer substation, together with the monopile foundations of themeasurement mast.

“The cost of maintaining foundations and wind turbines atsea is high because the stresses caused by waves and salt water aresignificantly higher at sea than on land,” says Marcel Sunier, project directorfor the Nordsee Ost wind farm at RWE Innogy.

“A