"As land, water supply and other infrastructure is available, the cost should be approximately Rs 50,000 crore. The rate of interest is low and will be lower post demonetisation," said Goyal.
Business Standard had earlier reported that NTPC, is planning to build new units at existing plant sites and phase out the old ones. The first two identified plants are at Talcher and Badarpur, two of the oldest NTPC units. JV Industrial Companies, an American firm, is studying the Talcher plant.
NTPC had also sent a team to Japan, Europe and the US to study available technology and the retrofitting that can be done. The Central Electricity Authority (CEA) estimates 10,180 MW of supercritical units can be installed in place of retired plants or those proposed for retirement with a total capacity of 5,228 MW.