In December, the environment ministry issued norms to curb emissions, such as particulate matter, sulphur dioxide and nitrogen oxides, from power plants amid rising concern over air pollution in Indian cities. The norms also capped the use of water by plants.
A majority of the old capacity—22 gigawatts—is controlled by provincial governments, while 13,000 megawatts belongs to companies of the central government, such as NTPC Ltd, Dubey said. About 2 gigawatts of capacity belonging to non-state producers is also being considered for shutdown, he said without naming the plant owners. Coal fires 62% of India’s 298 gigawatts generation capacity, according to the government’s data.