As the pioneering market in this grid-parity environment, Germany now provides the opportunity for companies to test, define and introduce new industry standards. New PV sales strategies, system configurations, and integration processes, such as storage or demand management, are intrinsic components of the specialist expertise currently being developed in Germany. The country is actively welcoming foreign enterprises to participate in its development.
Foreign companies wishing to sell photovoltaic products in the European Union must fulfill the established quality and safety requirements. In Germany, solar photovoltaic modules are certified according to the European Norm (EN) standards. This means that manufacturers must comply with the ''safety class II'' norms which certify the electrical safety of photovoltaic modules.
Furthermore, the certifications for design qualification and type approval (EN 61215 and EN 61464) have become an industry essential, even though they are not required by law. More detailed information about these norms can be found on the website of TÜV- the German compliance testing and certification office.
With respect to PV-storage systems, quality marks are still optional (with the exception of the CE-certificate). Without certain quality labels, however, battery customers cannot access certain incentive programs. For example the KfW program “Speicher 275”, designed to support privately owned PV battery systems, requires the grid connection norm VDE-AR-N 4105.