Kolkata Metro launches India’s first battery backup system on Blue Line

A Kolkata Metro train. File pic

Kolkata Metro Railway (KMR) introduced India's first battery backup system as it commissioned a Battery Energy Storage System (BESS) on the underground stretch of the Blue Line.

To enhance operational resilience, KMR has deployed a 4 MW/6.4 MWh battery energy storage. As per reports, the stored power can move stranded trains at speeds of up to 55 kmph from mid-tunnel to the next station in case of a power failure.

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