Can coal turn flexible to spur green energy?

Experts believe the more renewable grows, the more will be the need to put up coal capacity

April 21 was the first ever working day since the Industrial Revolution that Britain generated power without coal. The West Burton power station, the only coal-fired plant up and running, went offline a day earlier. Many see this as a signal to coal producers as well as coal-based power generators to rediscover themselves and shift away from this fossil fuel as an energy source.

With the energy mix changing fast even in countries like India that are yet to provide power for all, there is talk of coal-based power giving space to renewable forms of energy. But can coal-based power