At the sewage treatment plant of the city of Wunstorf, four buildings are to be expanded with photovoltaic modules. The buildings include the new sludge dewatering building, the new machine building, the new operating building and the sludge storage hall. All four buildings will have their own inverter, which will be connected to each other. The entire system must be connected to the EZA controller / parking controller. The roof structure must be connected or extended to the existing lightning and surge system.

The service is explained in detail in the enclosed course.

The bill of quantities contains a total of six chapters, four chapters on the respective buildings, one chapter on other tasks and one chapter on a maintenance contract. The desired properties are described for the positions PV module and PV inverter, and a reference model is also specified.