Technical FAQs 4

Is Tata Power installing a 100MW battery energy storage system in Mumbai?

Loading... Tata Power, India’s largest integrated power company, has secured approval from the Maharashtra Electricity Regulatory Commission (MERC) to install a 100MW Battery Energy Storage System (BESS) across Mumbai.

How much battery energy storage capacity is available in India?

Between 2022 and May 2025, India auctioned approximately 12.8GWh of battery energy storage system (BESS) capacity for both hybrid and standalone applications. However, only about 219MWh of BESS capacity is reported to be operational, leaving a large pipeline of projects under construction.

Should co-located energy storage systems be included in future solar tenders?

The Ministry of Power mandated that co-located energy storage systems with a minimum two-hour capacity, equivalent to 10% of the installed solar capacity, be included in all future solar tenders.

Where will Tata Power's storage capacity be distributed?

While the company described the project as one system, the storage capacity will be distributed across 10 sites near load centres in India’s largest city. It will be centrally monitored and controlled from Tata Power’s Power System Control Center (PSCC) in Mumbai, which has operated as a load dispatch centre since 1950.

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