The stock jumped 5.61 per cent to Rs 18.80 on BSE.
At NSE, shares of the company gained 5.33 per cent to Rs 18.75.
NHPC yesterday posted a 72.62 per cent rise in net profit at Rs 1,180.84 crore for the September quarter, even as the company announced it is in talks with private firms to buy stake in hydro-power projects in Arunachal Pradesh.
"I got the offer from private players (implementing projects) from Subansiri basin to come (join) as a joint venture partner," NHPC Chairman & Managing Director K M Singh said.
Total income was Rs 2,679.44 crore for the said quarter as compared with Rs 2,325.01 crore for the quarter ended September 30, 2014.