Like in many places, the grid-scale energy storage sector is just beginning to develop in India, where the power sector is set to undergo significant changes in the coming years. The country has ambitious goals to deploy hundreds of gigawatts of renewables by 2030 while also needing to meet rapidly growing electricity demand.
These challenges threaten the affordability and reliability of India's power system, especially as increasing heatwaves and climate events are expected to persist in the coming years. Fortunately, a solution is emerging: battery energy storage systems (BESS). Global examples show BESS can address diverse grid challenges.
India has begun to invest in energy storage and develop policy to support the development of battery storage. The Ministry of Power in India has taken a significant step in promoting the adoption of energy storage systems (ESS) by introducing an Energy Storage Obligation (ESO) alongside the Renewable Purchase Obligation (RPO).
Energy storage and its impact on the grid and transportation sectors have expanded globally in recent years as storage costs continue to fall and new opportunities are defined across a variety of industry sectors and applications.
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
Exhibit 2 shows the project economics for a typical BESS installation in India, comparing costs from the latest four tenders against estimated potential revenues.
“Energy Storage in South Asia: Understanding the Role of Grid-Connected Energy Storage in South Asia''s Power Sector Transformation” by the National Renewable Energy
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Currently, the cost of battery-based energy storage in India is INR 10.18/kWh, as discovered in a SECI auction for 500 MW/1000 MWh BESS. The government has launched viability
Is grid-scale battery storage needed for renewable energy integration? Battery storage is one of several technology options that can enhance power system flexibility and enable high levels of renewable
Due to intra-annual uncertainty, the reported costs may have changed by the time this report was released. The cost estimates provided in the report are not intended to be exact numbers but reflect
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