underwriters laboratories

July 18, 2018
UL (Underwriters Laboratories) has launched a new global service, offering a PV Power Plant Certificate to verify the performance of PV systems at several key stages, such as commissioning or during operation. The delivered certificate is also made publicly available in UL’s online database, providing greater transparency for all stake holders.
December 9, 2016
Major PV inverter manufacturer Sungrow Power Supply said its inverter testing centre in China has been qualified by Underwriters Laboratories (UL), to participate in the UL Witness Testing Data Program (WTDP).

Upcoming Events

Upcoming Webinars
December 17, 2025
2pm GMT / 3pm CET
Solar Media Events
February 3, 2026
London, UK
Solar Media Events
March 24, 2026
Dallas, Texas
Solar Media Events
April 15, 2026
Milan, Italy
Solar Media Events
June 16, 2026
Napa, USA