NTPC Limited announced that based on achievement of approved norms and due approvals, Unit-1 of 660 MW capacity of North Karanpura Super Thermal Power Project, (3 x 660 MW) has successfully completed trial operation and consequently included in the installed capacity of NTPC Limited. With this, the total installed capacity of NTPC Limited and NTPC group has become 58929 MW and 71544 MW respectively.