The project, developed by 4R Energy – a Sumitomo venture with Nissan Motor that is reusing lithium-ion batteries – is part of a test under Japan’s Ministry of the Environment (MoE) to expand the development of renewable resources.

The system will be used for three years to monitor fluctuations in electricity generated by a solar array on reclaimed land in Yumeshima, Osaka, Sumitomo said in an online statement, without disclosing further details.

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