The Joint Research Center (JRC) of the European Commission wishes to equip their site, located at Retieseweg 111, 2440 Geel, Belgium, with a photovoltaic installation (PV). The aim of this installation to conform with the upcoming PV obligation set out by the Flemish government and to maximize the yield with the available surfaces. The produced energy will be maximally consumed locally. The scope of this tender includes the design, supply, installation, and commissioning of the PV installation. The installation to be placed must have a minimum capacity of 675 kWp and must be designed according to the specifications made available during tendering period.