NLC India works as a mining(Coal & Lignite) and power generation (Thermal and Renewable Energy) company. NLC India at present has four open cast lignite mines namely Mine I, Mine II, Mine IA and Barsingsar Mine. The lignite mined out is used as fuel to the linked Pit head power stations. Also raw lignite is being sold to small scale industries to use it as fuel in their production activities. NLC India has five pithead Thermal Power Stations with an aggregate capacity of 3240 MW. Further, NLC India has installed 34 Wind Turbine Generators of capacity 1.50 MW each and also commissioned 440 MW Solar Photo Voltaic Power plant in Neyveli, resulting in an overall power generating capacity of 3731 MW(excl. JVs).