Tata Power Renewable Energy Limited (TPREL), the renewable energy arm of Tata Power, has entered into a non-binding Memorandum of Understanding (MoU) with Oil and Natural Gas Corporation Limited (ONGC) to discuss and explore joint opportunities in different segments of the Battery Energy Storage Systems (BESS) value chain.
The MoU resulting in the Tata Power-ONGC partnership was signed during India Energy Week 2025 in the presence of dignitaries such as Shri Hardeep Singh Puri, Hon’ble Union Minister of Petroleum and Natural Gas. Other dignitaries included Mr. Arun Kumar Singh, Chairman & CEO of ONGC, and Mr. Deepesh Nanda, CEO & Managing Director of TPREL.
Commercial Opportunities in BESS
The Tata Power – ONGC partnership focuses on discovering commercial prospects across various segments of the Battery Energy Storage System value chain. These segments are utility-scale systems, grid stabilization, renewable energy integration, microgrids, hybrid solutions, EV charging, backup power, and also energy trading. The collaboration will utilize the capabilities and strengths of both firms to push innovation in the energy storage business.
Enhancing India’s Clean Energy Targets
Deepesh Nanda, CEO and Managing Director of TPREL, said, “This partnership with ONGC marks a significant milestone in our journey to drive India’s energy transition. Battery Energy Storage Systems will play a crucial role in strengthening grid reliability, enabling greater renewable energy integration, and supporting India’s ambitious clean energy goals. Together, we aim to develop innovative storage solutions that will pave the way for a sustainable and resilient energy future.”
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A Milestone in Energy Storage
The joint effort of ONGC and TPREL highlights their common interest in sustainable energy solutions and enabling the energy transition in India.TPREL has also ordered India’s largest Solar and Battery Energy Storage System, a 120 MWh capacity 100 MW Solar PV power plant. The accomplishment further asserts TPREL’s leadership role in the design of large energy storage solutions. In addition, the success is the addition of India’s renewable installations and a model for future Battery Energy Storage System projects.