The Kolaghat Thermal Power Plant (KTPP) is a Coal fired thermal power Plant, consisting of 6 Units of 210 MW each, situated on the right bank of the Rupnarayan river in the district of Purba Medinipur, West Bengal . This power project first started during the sixth plan period (1980-85).
Now, the three units of the power plant which were commissioned in first stage are about 25 years old. Besides being low-productive the units are also highly polluting. The people in the adjoining villages are suffering from pollution caused by the plant in various ways. The plant had been using low-grade coal which produces large quantities of fly-ash. This fly ash destroyed vast tracts of agricultural land, polluting the air and many wetlands and water bodies had been filled up with the waste. Local people complain of breathing trouble. Plant waste has also choked irrigation canals in the area and caused acute water shortage .
The lack of treatment of the fly ash generated from this plant has been detrimental to the productivity and quality of the main commercial crops of the surrounding area and is also responsible for some changes in the land use patterns .
In October 2007, Greenpeace India activists scaled a 76 metre (250ft) smokestack spewing carbon dioxide at the Kolaghat coal fired power station. They paint the message "SMOKING KILLS"  The activists had been charged with criminal trespass and violation of the West Bengal Maintenance of Public Order Act of 1972. The West Bengal district court denied bail requests from the activists' who have been remanded in a correctional jail