Tata Power Renewable Energy Secures 120 MWh Battery Storage Deal with NHPC for Kerala
Tata Power Renewable Energy Limited (TPREL) has signed its first Battery Energy Storage Purchase Agreement (BESPA) with NHPC Limited for a 30 MW / 120 MWh battery energy storage system in Kerala. The 12-year agreement, part of NHPC's larger 125 MW / 500 MWh initiative, aims to address peak power demand and enhance grid flexibility. This project increases TPREL's total renewable capacity to 10.9 GW and aligns with India's goal of 500 GW non-fossil fuel capacity by 2030. The system will be commissioned within 15 months, supporting Kerala's renewable energy integration and grid resilience.

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Tata Power Company Limited 's subsidiary, Tata Power Renewable Energy Limited (TPREL), has made a significant stride in the energy storage sector by signing its first Battery Energy Storage Purchase Agreement (BESPA) with NHPC Limited. This landmark deal involves the implementation of a 30 MW / 120 MWh battery energy storage system (BESS) at the 220 kV substation in Kerala.
Project Details
The agreement, secured through a competitive bidding process, is part of NHPC's BESS Tranche-I tender. The end-user of this cutting-edge battery storage system will be the Kerala State Electricity Board Limited. This project marks a crucial step in addressing peak power demand, enhancing grid flexibility, and facilitating the seamless integration of renewable energy in Kerala.
Broader Initiative and Timeline
This project is a component of NHPC's larger initiative to develop 125 MW / 500 MWh of standalone battery storage capacity in Kerala. The initiative aligns with the Indian government's ambitious goal of achieving 500 GW of non-fossil fuel capacity by 2030.
Key points of the agreement include:
- A 12-year Battery Energy Storage Purchase Agreement (BESPA)
- Commissioning scheduled within 15 months
- Implementation under Ministry of Power guidelines
Impact on Tata Power's Renewable Portfolio
With this new addition, TPREL's total renewable capacity has grown to approximately 10.9 GW. This includes:
- 5.6 GW of operational projects (4.6 GW solar and 1 GW wind)
- 5.3 GW under various stages of development
Significance for Kerala's Energy Landscape
The battery storage system is expected to play a vital role in Kerala's energy infrastructure by:
- Addressing peak power demand
- Enhancing grid flexibility
- Enabling seamless integration of renewable energy
This project positions energy storage as a key enabler of round-the-clock renewable power and grid resilience in the state.
Tata Power's Clean Energy Commitment
Tata Power Company Limited, with a diversified portfolio of 15.7 GW, continues to lead India's clean energy transition. The company currently has 6.9 GW of clean energy generation, constituting 44% of its total capacity. Tata Power has set an ambitious goal of achieving carbon neutrality before 2045.
This BESS project with NHPC not only marks TPREL's first win in the standalone BESS segment but also reinforces its commitment to delivering advanced, dispatchable, and sustainable energy solutions. As India moves towards a greener future, such initiatives in battery energy storage systems are crucial for maintaining grid stability and supporting the country's renewable energy goals.
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