SolarPTL provides independent solar plant quality services using calibrated test equipment for performance degradation analysis and warranty/insurance claims related to string and module performance losses, material/design defects/issues in the field, and weather data accuracy. . SolarPTL provides independent solar plant quality services using calibrated test equipment for performance degradation analysis and warranty/insurance claims related to string and module performance losses, material/design defects/issues in the field, and weather data accuracy. . IEC 61730 is a global standard for photovoltaic (PV) module safety qualification. Download Intertek's fact sheet for an overview of the standards and next steps We provide expert Electrical Safety Testing and certification for PV modules to the requirements of UL 1703, UL 1741, ULC/ORD-C1703-1. . Rely on our full-service testing, inspection and certification services for solar energy to support your products in the renewable energy market. Fulfilling the potential of PV requires comprehensive testing to ensure their safety, quality and regulatory compliance. Due to the high number of photovoltaic panels required for the construction of new solar plants, cases have been observed. .