LONGi wins RETC "High Achievers" award for outstanding module performance USA - English Share this article Share this article XI'AN, China, Jan. 13, 2021 /PRNewswire/ -- The US Renewable Energy Testing Center (RETC) has released its "Photovoltaic Module Index Report" (PVMI) for 2020. Having won a "High Achievers" award in 2019, LONGi has once again carried off the award for outstanding performance following comprehensive evaluation of global photovoltaic modules by RETC. LONGi's performance in three indicators of reliability, performance and quality identified it as one of only three companies to achieve the award. The company also became the only module manufacturer to perform well in all 8 individual tests, underlining the high reliability and excellent performance of its monocrystalline modules.