THDC India Limited has reached a significant milestone in the development of its 4×250 MW Variable Speed Tehri Pumped Storage Project (PSP) in THDC Chairman and Managing Director, Shri. R. K. Vishnoi, announced that on August 28, 2024, the Tehri-Koteshwar Line 3 was successfully energized for the first time, bringing the nation closer to realizing its first 1000 MW Variable Speed Pumped Storage Project.
The energizing of Line 3 marks a critical advancement, as it enables the back charging of the Generator Step-Up (GSU) transformer for Unit 5. This step is crucial for drawing the startup power needed for Voltage Source Inverter (VSI) testing and subsequent commissioning activities. Sh. Vishnoi expressed his heartfelt congratulations to the entire PSP team, praising their dedication and tireless efforts in achieving this milestone.
The event was attended by several key figures, including Shri. Bhupender Gupta, Director (Technical); Shri. L. P. Joshi, Executive Director (Tehri Complex); Shri. A. R. Gairola, General Manager (PSP-Civil); and Shri. S. K. Sahoo, AGM (I/C-PSP), along with other senior officials from THDCIL and representatives from M/s GEPIL.
In his address, Shri. Bhupender Gupta also applauded the team’s hard work and dedication, offering warm congratulations to all members of the Tehri PSP team and associated stakeholders for their unwavering commitment to the project.




