New Delhi, Jan. 9 -- With battery storage holding the key to India's green energy transition including grid-scale storage and electric mobility, the union government is considering a Rs.500-crore allocation in its FY2027 Budget to set up testing and certification infrastructure for battery energy storage systems (BESS) besides promoting research and development (R&D), said two people in the know of the developments.

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 Bo...