Provided is a wind turbine, including a tower, a foundation, a transition piece, which is arranged between the tower and the foundation and which connects the tower to the foundation, a platform, which is arranged inside the transition piece, a service lift, which is lowered to the platform, and a permanent working platform which is arranged below the platform and in a distance thereof. Due to the permanent working platform, the service lift is easily accessible from below. The labor- and cost-intensive installation of a temporary scaffold below the platform is expendable. Advantageously, the working platform can also be used for array cable installation.