A study by the Indian Institute of Science suggests that Bengaluru's 55-km Blue Line Metro could be powered entirely by solar energy. By utilizing station rooftops, depots, and viaducts, researchers estimate that 83.3 MWp of solar capacity could cover the line's annual electricity needs and significantly cut carbon emissions. While the technical potential is high, Bangalore Metro Rail Corporation Limited (BMRCL) officials note that full implementation requires substantial policy shifts and infrastructure updates. The transition highlights the gap between theoretical renewable capacity and the regulatory reality of urban energy grids.
