Southern Thermal Power Station is a coal-based thermal power plant located in Garden Reach, Kolkata in the Indian state of West Bengal. The power plant is operated by the CESC Limited. Capacity It has an installed capacity of 135 MW (2x67.5 MW). It became fully operational in 1990. References Coal-fired power stations in West Bengal Power stations in Kolkata Energy infrastructure completed in 1990 1990 establishments in West Bengal 20th-century architecture in India