German energy group RWE has chosen Semco Maritime as subcontractor for design and installation of the substation platform at the offshore wind farm Nordsee Ost in the German North Sea region. The project includes offshore commissioning of the electrical and technical systems at the substation. The contract was won in close cooperation with the Danish partner Bladt Industries. RWE’s Nordsee Ost (NSO) offshore wind farm is situated around 35 kilometres to the northeast of the island of Helgoland.