Neyveli Lignite Corporation (NLC), incorporated in 1956, is the business of lignite mining and power generation. At present, NLC operates three opencast lignite mines of total capacity of 24 million tonnes and three thermal power stations with total installed capacity of 2490 mega watt.
Neyveli Lignite Corporation is a ‘Miniratna’ Public Sector Enterprise, under the administrative control of Ministry of Coal. The company also operates subsidiary -- NLC Tamilnadu Power Limited.
It has a chequered history of achievements.
Mine-I - This mine, located on the northern part of Neyveli Township in Tamil Nadu, is spread over an area of 26.69 sq km. This mine has reserve of 365 million tonnes and has a production capacity 10.5 million tonnes of lignite per annum. This mine feeds lignite to its 600 MW capacity of First Thermal Power Station and 420 MW Thermal Power Station – I (expanded).
Mine-IA - This mine is spread over an area of 11.6 sq km. The mine has a reserve of 120 million tonnes with a production capacity of 3 million tonnes of lignite per annum. It caters to the need of 250 MW independent power project, in addition to the requirement of NLC's Thermal Power Stations.
Mine-II - This mine was sanctioned by the Government of India in February 1978 with a lignite production capacity of 4.7 mtpa which was increased to 10.5 mpta in 1983. This mine is spread over an area 27.74 sq km and has a reserve of 390 million tonnes.
Thermal Power stations (TPS)TPS-I -- This is South Asia's first and only lignite-fired thermal power station. This plant was commissioned with one unit of 50 MW and currently possess six units of 50 MW each and three units of 100 MW each. The company has set up additional capacity of 420 MW. It has total generating capacity of 1020 MW
TPS- II - This power plant was constructed in two stages in 630 MW and 840 MW. This power plant has a generating capacity of 1470 MW consists of seven units of 210 MW each.
Research and Development
Centre for Applied Research and Development (CARD) is the In-house research and development centre of Neyveli Lignite Corporation and is recognized by the Department of Science and Technology since 1975. It is continuously pursuing research and development programmes in the area of diversified use of lignite, waste utilization, soil reclamation and much more. Primarily the R&D Unit CARD has service facilities with facilities for monitoring of air, water, materialogy and soil and also caters to various testing and analytical needs of various industrial units of Neyveli Lignite Corporation.
UNIDO has funded a project to establish Lignite Energy Research Institute (LERI) at Neyveli, which will be capable of providing technical support to ensure the latest and most appropriate technologies for minimising negative environmental effects. CARD is carrying out various R&D works on waste land reclamation, solid waste utilisation, by-products utilisation of various industrial units, diversification product development, etc.
CARD has also taken up various joint projects in association with CSIR laboratories, universities, other educational institutions and other public sectors. The joint projects submitted were funded by Ministry of Coal.
Neyveli Lignite Corporation has entered into a joint venture with Gujarat Power Corporation Limited to set up a mine-cum-power project in the state of Gujarat, at an estimated cost of Rs 6,400 crore. The ministry of coal has sanctioned Advance Action Proposal for taking up certain preliminary activities. The Government of Gujarat (GoG) has been addressed for water allocation, mining lease, etc. Feasibility Report and Environmental Report for the mine and power projects are under preparation.
The company has proposed to set up a coal based mega power plant in the state of Orissa at an estimated cost of Rs 8,000 crore. In-principle approval of the Government of Orissa for allocation of land in Rengali Taluk of Sambalpur district in Orissa is awaited. The joint venture company between Mahanadi Coal Fields Limited, Hindalco and NLC for mining coal from Talabira block has been established. MCL, being the lead partner is carrying out all pre-project activities. Geological report has been prepared and EIA/EMP report is under preparation. The mine plan has been approved and land acquisition is in process.
NLC also proposes to exploit the lignite deposits in Hadla and Palana lignite blocks in Bikaner district of Rajasthan for the 250 MW power plant to be set up as an extension of the on-going Barsingsar Power Project.