New Delhi: Adani Green Energy Ltd (AGEL) is planning a major expansion in battery energy storage, with an internal roadmap to add between 10,000 and 15,000 gigawatt hours of capacity annually, Executive Director Sagar Adani said on Wednesday. The proposed scale-up would require investments running into thousands of crores and would come on top of the company’s near-term capacity addition plans.
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Speaking at the Resilient Futures Summit organised by Economist Enterprise, Adani said the company is also close to commissioning around 3 gigawatt hours of battery energy storage system capacity.
"As a group, just as us alone, shortly in the next couple of days, we'll have about three gigawatt hours of installed BESS capacity. That makes it one of the largest installed capacities anywhere in the world," he said.
AGEL has already lined up around 10 gigawatt hours of battery storage capacity for the current financial year. During an investor presentation, Adani said, "We (AGEL) are in the process of very significantly ramping up our capacity addition for batteries, which we expect to commission north of 10 GWh, in this fiscal."
The company is also planning to invest about Rs 15,000 crore to add more than 10 gigawatt hours of battery energy storage capacity this year as it shifts focus towards delivering firm and dispatchable renewable power.
The planned additions will build on an expected base of roughly 3 gigawatt hours of installed storage capacity, which the company said it will reach shortly after commissioning 1.4 GWh during FY26. Adani said the larger expansion plan of adding 10,000 to 15,000 gigawatt hours annually does not yet have a specified timeline.
Explaining the role of storage, Adani said battery systems are essential to manage fluctuations in renewable generation. He said that when solar generation is high during sunny conditions, there are periods when electricity supply exceeds grid demand. Instead of feeding excess power into the grid at that time, it can be stored in batteries for later use.
He stressed that energy storage will become unavoidable as renewable capacity grows in India.
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The company is developing battery storage alongside renewable generation at Khavda in Gujarat, where it is building what it describes as the world’s largest renewable energy park.
The storage systems are designed to supply electricity during peak evening demand when solar output declines, helping stabilise supply and enabling round-the-clock renewable energy delivery.
