Reliance Power Arm to Invest INR 10,000 Crore in Integrated Solar-BESS Project, Signs PPA with SECI
Reliance Power subsidiary, Reliance NU Suntech is developing an integrated solar and battery energy storage system (BESS) projects with an investment of about INR 10,000 crore to supply 930 MW of solar power integrated with 465 MW/1,860 MWh BESS. The project will deploy more than 1,700 MWp of installed solar generation capacity.
May 02, 2025. By Mrinmoy Dey
The project entails a capital investment of up to INR 10,000 crore, representing a significant strategic commitment to operational scalability and long-term value creation. It aligns with the nation's ambitious renewable energy targets and further strengthens Reliance Power's position as a key player in India's green energy ecosystem.
Reliance NU Suntech has also signed a 25-year long-term Power Purchase Agreement (PPA) with the Solar Energy Corporation of India (SECI) to supply of 930 MW of solar power integrated with 465 MW/1,860 MWh Battery Energy Storage System (BESS), at a fixed tariff of INR 3.53/kWh. To achieve the contracted capacity of 930 MW, the project will deploy more than 1,700 MWp of installed solar generation capacity.
The company secured this capacity in SECI's Tranche XVII auction held in December 2024. The allocation was awarded through a tariff-based competitive bidding process, which saw participation from 5 leading energy companies competing for a total of 2,000 MW of Inter-State Transmission System (ISTS)-connected solar projects and 1,000 MW/4,000 MWh of BESS capacity.
Reliance Power has successfully submitted a Performance Bank Guarantee (PBG) amounting to INR 378 crore to SECI. The entire bidding process – from the reverse auction to the issuance of the Letter of Award (LoA), and culminating in the signing of the Power Purchase Agreement (PPA), was completed in less than five months.
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