Trina Storage, the energy storage arm of Trinasolar, has secured a contract for a 160 MWh ultra-high voltage battery energy storage project in Japan’s Kyushu region. The project is scheduled for delivery in 2026, with commercial operations expected to begin in 2027.
The system will use Trina Storage’s Elementa 2 utility-scale battery energy storage platform, with each unit offering around 5 MWh of capacity. It is based on the company’s in-house lithium iron phosphate (LFP) technology, including high-capacity 314 Ah cells designed to deliver stable performance, long cycle life, and reliable operation in grid-scale applications.
Elementa 2 is engineered to meet Japan’s strict safety and regulatory standards. It has obtained JIS8715-2R fire spread certification, which covers fire propagation prevention and system-level safety validation for grid-connected storage projects. The certification also ensures compliance with Japan’s high-voltage grid interconnection requirements, which are among the most stringent globally.
The project will be executed by Trina Storage’s Japan team, working closely with its global engineering and system integration teams. The company will handle the project end-to-end, including technical planning, system configuration, logistics, installation support, and long-term service. This structure is designed to ensure smooth alignment with local regulations, grid requirements, and project delivery standards in Japan.
“Japan’s energy landscape is changing quickly as renewable energy adoption grows, especially in regions like Kyushu,” said Li Na, General Manager of Trinasolar Japan. “Energy storage is becoming essential for grid stability, and our solutions are designed to meet Japan’s regulatory and operational needs, supported by strong local execution.”
Alongside this development, Trina Storage is also expanding its product portfolio for Japan. At PV EXPO 2026, Dr. Leo Zhao, Head of Energy Storage for Trinasolar Asia Pacific, introduced Elementa 3 Flex, a compact utility-scale system with about 1.56 MWh capacity. Designed for space-constrained sites, it features a footprint of around 5 square meters, transport compatibility with standard trucks at roughly 13 tonnes, and low-noise operation of up to 65 dB, making it suitable for urban and limited-space deployments.
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