New Delhi, Jan. 10 -- With battery storage seen as critical to India's renewable energy transition-spanning grid-scale storage and electric mobility-the government is considering a Rs.500-crore allocation in FY27 Budget to set up testing and certification infrastructure for battery energy storage systems (BESS), alongside support for research and development, said two people familiar with the matter. Given the infirm nature of wind and solar power-it is generated only when the wind blows and the sun shines-BESS can help store energy and feed electricity to the grid any time in a 24-hour cycle. The allocation is expected to go towards both setting up National BESS Testing and Safety Centers under National Accreditation Board (NABL) or the Bu...