The cost of battery energy storage systems (BESS) in India has declined sharply, with tariffs discovered through competitive bidding falling to as low as Rs 2. 1 per unit (kWh), the government said in Parliament on Monday, signalling a major improvement in the economics of renewable. A Battery Energy Storage System (BESS) is a setup that stores electrical energy from renewable sources, such as solar panels, or the electricity grid, for later use. A. The Union Cabinet on September 6 approved the scheme for Viability Gap Funding (VGF) for development of BESS with a capacity of 4,000 MWh. Updated - December 07, 2023 at 09:14 PM. The implementation of 4,000 MWh capacity is expected to result in an annual reduction of around 1. 18/kWh, as discovered in a SECI auction for 500 MW/1000 MWh BESS. 18 per unit, as reported to Parliament. Additionally, a Production-Linked Incentive. Between 2022 and May 2025, India auctioned approximately 12.