An offshore wind turbine comprising a tower, where a nacelle is arranged on top of said tower, said nacelle comprising a rotor with at least two rotor blades, said wind turbine further comprising subsystems for controlling the wind turbine for converting and transforming the power generated by the wind turbine and for connecting the wind turbine to the overall electrical grid, said tower being connected to a transition piece or a foundation at a lower end, said connection being at a position above sea level, where said wind turbine at a level above sea level comprises at least one structure for storing at least one container, said container having the size and measures of a standard container and containing at least some of said subsystems for converting and transforming power generated by the wind turbine, where said structure is arranged on the side of the tower, wherein said structure for storing a container comprises a deck and at least one bed for supporting at least one container along said containers lower surface and/or edges, where said structure is a concrete structure.