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.”

Also read: Tata Power Launches 431 MW Solar Project in Madhya Pradesh

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.

Lightsource bp, a subsidiary of bp, has made a strategic investment in growing its operations in the Asia-Pacific region by acquiring a 15MWp solar project in Hokkaido, Japan. This move marks Lightsource bp’s entry into Japan, aligning with its efforts to support the country’s energy transition.

The acquisition of the Hokkaido solar plant is a key milestone for Lightsource bp’s overall Asia-Pacific growth strategy. Lightsource bp already has operations in Australia, where it has developed a portfolio of large-scale solar assets. It is also expanding in South Korea, Taiwan, and New Zealand, showcasing its ability to grow and diversify renewable energy solutions.

Pioneering Japan’s Energy Transition

Japan aims to increase its solar capacity as part of its decarbonization and energy source diversification efforts. Lightsource bp will help Japan achieve its energy aspirations through its successful and proven renewable energy developments. The company also aims to build long-lasting relationships with local stakeholders to help the country transition into a low-carbon, sustainable future.

Also read: Lightsource bp Completes 187-Megawatt Peacock Solar Farm in Texas

Adam Pegg, Chief Operating Officer for APAC at Lightsource bp, “Our entry into Japan reflects our commitment to contributing to the region’s energy transition. By combining our international experience with local partnerships, we aim to support Japan’s renewable energy goals while building a strong and sustainable pipeline of renewable energy projects. This is just the beginning of our operations in Japan, and we’re excited to support the nation’s ambition for a low-carbon future.”

He added, “As a global organisation, our success depends on fostering collaboration and creating long-term value for the communities we work with. We’re committed to building partnerships in Japan that deliver shared benefits – for the economy, the environment, local communities, and our partners.”

A Strong Global Presence

Furthermore, Lightsource bp has expanded into 20 international markets with its entry into Japan. With about 8GW of projects centered on the expanding APAC area, the company’s solar development pipeline surpasses 58GW. Additionally, as a pioneer in massive solar projects, Lightsource bp concentrates on environmentally and economically beneficial sustainable energy solutions.