State-run power major NTPC today said its installed capacity has increased to 45,798 MW after commissioning of a 250 MW Unit-I of its arm at Nabinagar. “The Unit-I of 250 MW of Nabinagar Thermal Power Station of Bhartiya Rail Bijlee Company Ltd (a subsidiary of NTPC) has been commissioned on March 20, 2016,” NTPC said in a BSE filing today. With this, the total installed capacity of Nabinagar Thermal Power Station has become 250 MW and the total installed capacity of NTPC group has become 45,798 MW, it added. Bharatiya Rail Bijlee Company Ltd (BRBCL), a subsidiary of NTPC was incorporated on November 22, 2007 with 74:26 equity contribution from NTPC and Ministry of Railways, respectively for setting up of four units of 250 MW each of coal based power plant at Nabinagar, Bihar. The investment approval of the project was accorded in January, 2008. The 90 per cent power from this project is to be supplied to Railways to meet the traction and non-traction power requirements.