Administration Energy & Power

Neyveli Lignite Corporation (NLC)

Neyveli Lignite Corporation

A first among the Public Sector Undertakings in the energy sector, NLCIL works four Opencast Lignite Mines of total capacity of 30.6 Million Tonnes Per Annum (MTPA) at Neyveli and Barsingsar, Rajasthan, Five lignite based pithead Thermal Power Stations with an aggregate capacity of3240 MW – at Neyveli and Barsingsar and a 1000 MW Coal based Thermal Power Station at Thoothukudi, Tamil Nadu by its subsidiary company, NLC Tamil Nadu Power Limited (NTPL),a joint venture between NLCIL and TANGEDCO (equity participation in the ratio of 89:11).

NLCIL has also forayed into renewable energy area with the commissioning of a 141 MW Solar Photo Voltaic Power Plant covering 1 MW Roof-top Project at Neyveli and a 51 MW Wind Energy Plant at Kazhuneerkulam Village of Tirunelveli district in Tamilnadu. The Company is also establishing 1209 MW Solar Power Projects at Tirunelveli, Virudhunagar and Ramanathapuram districts of Tamil Nadu, of which, 300 MW have been commissioned. NLCIL is aiming to achieve a total Renewable energy capacity of 4251 MW.

NLCIL has massive dreams to become a 20000+ MW company by 2025. Towards realizing this dream, NLCIL is already on expansion mode. Works are under operation for the Lignite based Neyveli New Thermal Power Plant (1000 MW), Bithnok TPS and Barsingsar TPS Expansion (each 250 MW). Further, NLCIL, jointly with the Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited (UPRVUNL), is establishing up a

3×660 MW Coal based Thermal Power Plant at Ghatampur in Uttar Pradesh, by its subsidiary company Neyveli Uttar Pradesh Power Limited (NUPPL) (equity participation in the ratio of 51:49). Apart from the above, the addition of Thermal Capacity to the tune of 6040 MW by the method of installation of new plants and acquisition of Power Assets to the tune of 3000 MW is in the pipeline.

The Business portfolio of the company is as under:

  • Lignite Mining
  • Thermal Power Generation
  • Solar Energy Generation
  • Wind Power Generation
  • Coal Mining


  • Coldry and Matmor process – In this procedure, Lignite is crushed and made into pellets which are dried using hot air and then iron ore is added to make the pellets suitable as reducing agents in the iron ore purification process.
  • Upgradation of Brown Coal (UBC) – Decreasing moisture in raw lignite at the site and increasing calorific value will reduce the transportation cost and increase the fuel value. This will decrease auxiliary power consumption, CO2 emission and improve power plant efficiency and overcome the problem of spontaneous ignition while transporting lignite over long distances.
  • Underground Coal Gasification – To gainfully use the big potential of lignite deposits which are uneconomical for conventional mining.
  • Synthesis of Zeolites from Lignite Fly Ash – For removal of calcium from Circulating Water System.
  • Dynamic Loading of Conveyors – Energy Conservation Measure.
  • Separation of Iron from bottom slag of Thermal Power Stations.
  • Usage of Bottom ash for Construction reasons.
  • High longevity coatings and alternate material for erosion and corrosion resistance.
  • Development of fly ash based pesticide.
  • Collaborative Research with Premier Technical Institutes.
  • Silica Sand Beneficiation Plant.


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