SPML Infra Secures INR 1,128 Cr Contract from NTPC to Develop 1 GWh BESS Project in Bihar
SPML Infra has secured an INR 1,128 crore contract from NTPC to develop a 250 MW/1,000 MWh Battery Energy Storage System at NTPC’s Barauni Thermal Power Station in Bihar, marking its entry into large-scale BESS projects.
May 07, 2026. By Mrinmoy Dey
The scope of work included supply, civil works, and erection of 250 MW/1,000 MWh BESS comprising 5 MWh DC containers with Battery Management System (BMS) and Thermal Management System (TMS), 33 kV panel boards, 220 kV DC & AC cables, 220 kV switchyard and all associated accessories. The project will be executed over an 18-month period, followed by 15 years of operation and maintenance, the company stated.
It further added that the project will seamlessly integrate large-scale battery storage with existing thermal power infrastructure, enabling peak load management, grid stability, and efficient integration of renewable power.
Commenting on the development, Abhinandan Sethi, Managing Director, SPML Infra, said, “This order marks a defining moment for SPML Infra, a firm commitment to the large-scale battery energy storage sector. Energy storage will define how India powers its future, and we intend to be architects of that transformation. Partnering with NTPC on this landmark project is both a privilege and a responsibility we embrace fully. We are here to build the grid India needs – flexible, stable, and built for scale.”
This win anchors SPML Infra's broader strategic push into energy storage infrastructure, advancing its commitment to developing cutting-edge battery energy storage solutions along with its technology provider, Energy Vault, stated the company.
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