HD Renewable Energy’s power trading unit Star Trade signed a peak-time power supply contract with Chubu Electric Power Miraiz using five grid-scale battery storage projects in the Chubu TSO area totaling 10MW/41MWh, the companies announced on January 28, 2026.
According to Chubu Electric Power Miraiz, the agreement includes battery storage facilities in Shizuoka, Aichi, Gifu, and Mie prefectures that are expected to be commissioned in April 2026 and later. The power retailer expects to procure about 9.09GWh annually under the contract, dispatched between 4 p.m. and 8 p.m.
Star Trade said the deal marks “the company’s first commercial deployment of an insurance-based energy solution in Japan and its first adoption by a corporate customer.” The asset-backed hedge will help reduce Chubu Electric Power Miraiz’s exposure to wholesale price volatility in the evening peak hours. At the same time, it allows HD Renewable Energy Group to “partially stabilize returns from its storage assets through structured agreements.”
The companies said they are exploring a potential expansion of the agreement to up to 300MW.
Star Trade previously implemented a similar arrangement in Australia. The scheme adds another structured revenue model to Japan’s grid-scale battery storage market, alongside tolling and revenue-floor agreements.
