IEC 61730-1:2023 specifies and describes the fundamental construction requirements for photovoltaic (PV) modules in order to provide safe electrical and mechanical operation. OLD Legal basis: Directive 2009/125/EC, based on article 114 TFEU (internal market harmonisation)→ Now ESPR (Ecodesign of Sustainable Products Regulation), however not applicable for PV products, until end of 2026 Historically, the 'focus' has been on energy efficiency requirements. Solar modules are. Solar panels imported or manufactured in the European Union are subject to various regulations, directives and standards. In 2021, Ecodesign rules saved European consumers €120 billion ($129. 5 billion) in energy. IEC has developed a series of standards specifically for solar PV systems, addressing various aspects such as design, installation, operation, and maintenance.