Equipment deployed in European solar installations must meet stringent standards and certifications to ensure safety, reliability, and performance. Solar panels and associated equipment must carry the CE marking, indicating compliance with EU health, safety, and environmental. However, not all individual buildings in these categories will be required to be equipped with solar energy installations: EU countries will set national criteria for the practical implementation of the requirement, notably related to the suitability of specific buildings for solar energy. Solar panels imported or manufactured in the European Union are subject to various regulations, directives and standards. This guide. From February 1, 2025, a far-reaching legal innovation will come into force that affects operators of photovoltaic systems: the so-called ZEREZ obligation. This step is a key milestone for the standardization and digitalization of the grid connection process in Germany. Below you will find out. Photovoltaic solar panels have been subject to WEEE compliance in the EU since August 15, 2018, under the 'open scope' of Directive 2012/19/EU. In Germany, the ElektroG law requires producers (importers, manufacturers, brand owners) to register with stiftung ear and provide a financial guarantee. The German Renewable Energy Sources Act (EEG) stipulates that all solar power systems must be registered to legally feed electricity into the national grid.