MATSUSAKA, Japan, July 9, 2026 /PRNewswire/ -- SINEXCEL (300693.SZ) announced that its first battery energy storage project to enter Japan's frequency regulation market officially began market trading in June. Located in Matsusaka, Mie Prefecture, the 2 MW/8 MWh system marks a significant milestone in the company's participation in Japan's rapidly evolving energy storage market. 
