4 December, 2023 During a 9-month outdoor test project (January 2023 to September 2023), TÜV SÜD completed the data analysis and testing report for the Hainan PV plant. The Hainan PV plant’s site is located in Ding’an County, Hainan Province. Approximately 1880 hours of sunlight are experienced annually, with a peak sun hours total of around 1600 hours. Around 1953 millimeters of precipitation are experienced annually.