TOKYO, Apr 06 (Pulse News Wire) – PORT INC. (7047.T) announced today the commencement of trading in its second battery storage facility, Port Gunma Isezaki II, in the supply adjustment market (secondary and tertiary regulation power).
Following the successful operations of its first two facilities—Port Gunma Isezaki I and Port Gunma Ota—the company began trading in the secondary and tertiary markets as planned. The three facilities, located in Gunma Prefecture, each have a battery capacity of approximately 2 MW and 8 MWh. They started operation on June 10, 2025, June 18, 2025, and October 16, 2025, respectively. Initial trading in the primary regulation market commenced on October 16, 2025, for Port Gunma Isezaki I and December 1, 2025, for Port Gunma Ota. With the addition of Port Gunma Isezaki II, the company now operates in all three segments of the supply adjustment market.
According to the company, the initial year's operations are expected to contribute positively to profits. The total investment in the three facilities amounts to approximately ¥1 billion. Looking ahead, PORT INC. plans to finalize its validation process for system-scale battery storage projects with the launch of trading at Port Gunma Isezaki II and confirmation of profitability across multiple markets. The company anticipates making additional investments in up to ten more facilities by March 2027, each with a capacity of around 2 MW, positioning this initiative as a key driver for future growth.
🟢 Confidence: High AI-translated content.