India's electricity storage costs have plummeted, with Battery Energy Storage System tariffs falling from ₹10. 18/kWh in 2022-23 to around ₹2. New Delhi: The cost of storing electricity in India has dropped sharply in just two years. 8. This study, through comprehensive grid simulations, examines key aspects of energy storage in India, including required capacity, optimal locations, duration, technologies, costs, and policy framework, to meet growing electricity needs in a least-cost manner, while preventing the stranding of. The cost of a BESS in India depends on several factors: capacity, technology, installation complexity, and scale. RK Singh, India's minister for.