- CEO
- Hitoshi Honna
- Full Time Employees
- 269
- Sector
- Utilities
- Industry
- Renewable Utilities
- Address
- Kyobashi Edogrand Tokyo Japan 104-0031
- IPO Date
- Aug 15, 2022
- Business
- eREX Co., Ltd. engages in the renewable energy business, primarily generating, trading, retailing, and supplying biomass-derived electric power in Japan and select overseas markets. The company operates biomass power plants including those in Tosa, Saiki, Buzen, Ofunato, and Nakagusuku; procures and sells biomass fuels such as wood residues and rice husks from sources in Indonesia, Malaysia, Vietnam, and Cambodia; conducts electricity trading to manage market price fluctuations and procurement from wholesale exchanges; and retails electricity nationwide to corporate and household customers via high-voltage, extra-high-voltage, and low-voltage supplies through subsidiaries Evergreen Marketing Co., Ltd., Evergreen Retailing Co., Ltd., Okinawa Gas New Power Co., and e-sell Co., Ltd. It also pursues hydrogen power generation demonstrations at Fujiyoshida, hydroelectric projects in Cambodia, and biomass developments in Vietnam. Founded in 1999 and headquartered at 14F Kyobashi Edogrand, 2-2-1 Kyobashi, Chuo-ku, Tokyo, Japan, eREX lists on the Tokyo Stock Exchange (9517; OTC: ERXCF) with 284 consolidated employees. Recent developments include a December 2024 capital and business alliance with JR East, entailing a 2 billion yen investment for a 4.9% stake to collaborate on renewable aggregation and decarbonization, completed in January 2025; a June 2025 expansion into asset aggregation via sleeving an intra-JR East PPA; an October 2025 MOU with Samsung C&T Japan Office for joint battery energy storage system (BESS) development starting with a 2MW/8MWh pilot in Miyazaki; and a November 2025 EPC contract signing with PECC2 for the 50MW Yen Bai Biomass Power Plant in Vietnam, slated for operations by end-2027 following a prior April 2025 business alliance.