electricity tariffs India

Solar power combined with battery storage can supply up to 90% of India’s electricity demand at a levelised cost of Rs 5.06 per kWh, according to a new analysis by Ember published on April 7, 2026. The study finds the model to be economically viable across most major states. The report, titled “Battery storage is now cheap enough to unleash India’s full solar potential,” estimates that achieving this level would require 930 GW of solar…