Indian Railways has ambitious plans of becoming the world’s first 100% green railway network by 2029. With only 100 MW of solar installed on the rooftops of the networks’ buildings, the company will have to ramp up capacity installations rapidly through the 2020s to meet this target, and utility scale solar will probably have to make up a substantial shortfall in capacity. Indian Railways, the state-owned company that runs the world’s 4th largest rail network, plans to become carbon-neutral by 2030 using renewable energy – largely solar power. Indian Railways accounts for about 2.4% of the country’s electricity consumption and has been increasing its power demand by about 5% year-on-year. In 2013, oil powered two-thirds of its trains, with…