LONGi recognised as ‘Overall Highest Achiever’ in 2023 RETC PV Module Index 


LONGi has been recognized as a ‘2023 Overall Highest Achiever’ in the annual PV Module Index (PVMI) published by the Renewable Energy Test Center (RETC). This is the fifth year that RETC has published its rankings and LONGi is the only company to have been recognized as an Overall High Achiever in every edition.

RETC subjects modules to 11 tests over a 12 month period, spanning the categories of quality, performance and reliability, with the Overall Highest Achievement designation given only to manufacturers with high scores across all three areas. In 2023, LONGi secured the recognition for performance in categories including module efficiency, light-induced degradation, PAN files, damp heat  and thermal cycle.

“We’re delighted to be recognized once again as an Overall Highest Achiever by RETC,” commented Steven Chan, LONGi’s general manager for North America. “Because RETC’s comprehensive bankability testing goes beyond baseline module safety and certification standards, this award validates our efforts to provide the greatest possible customer value by achieving superior quality, performance and reliability.”

“For the fifth consecutive year, RETC has recognized LONGi as an Overall Highest Achiever in our annual PV Module Index Report,” added Cherif Kedir, its president and CEO. “This outstanding year-on-year performance is a hitherto unprecedented achievement, with LONGi  the only module company recognized as being among the best of the best in every edition.”

“Given the industry’s accelerated pace of change and short time frames between innovation and mass production, project stakeholders must remain vigilant to technical risks,” Kedir continued. “By demonstrating a consistent commitment to module quality, performance and reliability, LONGi is mitigating technical sources of risk and uncertainty and helping to facilitate a safer and more sustainable solar-powered future.”

This fifth consecutive Overall Highest Achievement honour for LONGi reinforces the company’s hyperfocus on R&D and innovating processes to achieve the industry’s highest quality and reliability standards. Over more than two decades since its founding, it has been a pioneer across multiple generations of solar technology, including monocrystalline wafers, PERC cells and bifacial modules, and it has developed some of the most rigorous performance and reliability testing standards in the industry. In 2022, the company had a production capacity of 133GW and 50GW for mono silicon wafers and cells respectively, with module shipments of 85GW representing a quarter of global market demand. 

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