Reliance NU Suntech Pvt Ltd, a subsidiary of Reliance Power, received a Letter of Award from Solar Energy Corporation of India (SECI) for its proposed Solar 930 MW and 465 MW/1860 MWh Battery Energy Storage System (BESS) projects. The project will see the largest deployment of grid storage batteries at a single site, not only in India but also in Asia, besides China, stated the company, Tuesday.

Reliance NU Suntech won the landmark 930 MW solar energy contract with battery energy storage system project (BESS) from Solar Energy Corporation of India (SECI) in an e-reverse auction held on December 9. As per the terms of the tender, Reliance NU Suntech will also install a minimum storage capacity of 465 MW/1,860 MWh charged by solar power. 

The company, among India’s leading power generators, secured the largest individual allocation out of the five companies vying for a total quoted capacity of 2,000 MW of Inter State Transmission System (ISTS) connected solar power projects with 1,000 MW/4,000 MWh energy storage systems. The project will guarantee a peak power supply of four hours daily (or a four-hour discharge duration). SECI will enter into a power purchase agreement (PPA) with 

Reliance NU Suntech for a period of 25 years and the solar power procured will be sold to multiple discoms in India. 

The company will develop the project on a build-own-operate basis, the release added.