TOKYO -- None of China's storage battery makers have received cybersecurity clearance from Japan's government despite an upcoming requirement that such equipment needs certification to connect to the power grid.

Chinese manufacturer decries 'de facto exclusion' as certification requirement looms

Even Chinese manufacturers with market share in Japan lack approved products. (Nikkei montage/Source photos by Nikkei)

TOKYO -- None of China's storage battery makers have received cybersecurity clearance from Japan's government despite an upcoming requirement that such equipment needs certification to connect to the power grid.