Tata Power commissions India’s largest solar and battery energy storage project in Chhattisgarh 


Tata Power announced today its step-down arm Tata Power Solar Systems has commissioned India’s largest solar-and-battery energy storage systems (BESS) project at Rajnandgaon in the Indian state of Chhattisgarh. The project comprises a 100 MW PV plant coupled with a 120 MWh utility-scale battery energy storage system (BESS). 

Tata Power Solar Systems, a wholly-owned subsidiary of Tata Power Renewable Energy, secured this INR 945 crore project on EPC basis from the Solar Energy Corp. of India Ltd. (SECI) in December 2021. Its scope of work includes engineering, design, supply, construction, erection, testing, O&M and commissioning of the projects.

Tata Power stated the Tata Power Solar Systems team successfully completed the project within the stipulated timeframe despite the various challenges such as unsuitable full hard rock soil conditions and remote location of the project site. The team deployed the plant with 239,685 bifacial monocrystalline modules. The BESS for the project was supplied by Tata AutoComp Systems.

Deepesh Nanda, CEO and managing director, Tata Power Renewable Energy Ltd, said, “The successful commissioning of the largest solar and battery storage project for SECI, reflects the technical expertise and project execution skills of Tata Power Solar. This will ensure round-the-clock green energy, and accelerate the renewable energy transition through innovative solutions.” 

The project is expected to generate 243.53 million units of energy annually and reduce carbon footprint by 4.87 million tonnes in 25 years.

R.P. Gupta, chairman and managing director, SECI, said, “We are committed to leveraging the latest technology in the renewable energy segment and this project supports the country’s energy transition vision. The project has been delivered on time by Tata Power Solar and will help in providing 24×7 renewable power.”

Tata Power Solar Systems is a fully integrated solar company with an EPC portfolio of more than 12.8 GWp of ground-mount utility-scale, over 2 GW of rooftop and distributed ground-mounted systems, and over 2 GW of rooftop and distributed ground-mounted systems, and over one lakh solar water pumps.


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