The Ministry of Power announced the commencement of commercial operation of the first 250 MW unit of THDC India Limited's (THDCIL) 1000 MW Variable Speed Pumped Storage Plant (PSP) at Tehri, Uttarakhand. This marks a significant milestone as it is India's first variable speed PSP and the largest PSP by any Central Public Sector Enterprise (CPSE). The project is designed to provide flexible peaking power and grid balancing support, which will aid in integrating renewable energy into the grid. Once fully operational, the Tehri Hydro Power Complex's capacity will increase to 2,400 MW. GE Vernova supplied the power electronics, controls, and the 250 MW variable-speed pumped storage hydropower unit.
Key Entities Referenced
Ministry of Power: A governmental ministry, likely in India, responsible for power-related affairs.
Sh. Manohar Lal: Union Minister of Power.
THDC: Likely an abbreviation of Tehri Hydro Development Corporation, an Indian power company.
COD: Commencement of COD (likely Commercial Operation Date) of the 1st Unit.
India: The country in which the plant is located.
First Variable Speed Pumped Storage Plant: Refers to the pumped storage plant at Tehri
Tehri PSP: Pumped Storage Plant located at Tehri.
PIB Delhi: Press Information Bureau, Delhi, the source of the press release.
THDC India Limited: Full name of THDC.
THDCIL: Abbreviation of THDC India Limited.
1st Unit 250 MW: Refers to the first 250 MW unit of the plant.
1000 MW Variable Speed Pumped Storage Plant PSP: Total capacity of the Variable Speed Pumped Storage Plant
Tehri: Location of the Pumped Storage Plant, in Uttarakhand.
Uttarakhand: The state in India where Tehri is located.
Central Public Sector Enterprise: CPSE, a type of Indian Public sector company.
CPSE: Acronym for Central Public Sector Enterprise.
Government of India: The governing body of India.
Shri Pankaj Agarwal IAS: Secretary, Ministry of Power, Government of India.
Secretary, Ministry of Power: Position held by Shri Pankaj Agarwal.
Sh. Akash Tripathi IAS: Addl. Secretary, Ministry of Power, Govt. of India.
Shri Gurdeep Singh: Chairman Managing Director, NTPC.
NTPC: Likely National Thermal Power Corporation, an Indian power company.
Shri R.K. Vishnoi: Chairman Managing Director, THDCIL.
Shri Shallinder Singh: Director Personnel, THDCIL.
Shri Bhupender Gupta: Director Technical, THDCIL.
Shri Sipan Kumar Garg: Director Finance, THDCIL.
Tehri Hydro Power Complex: Location of the power plant and its capacity.
2,400 MW: Total capacity of the Tehri Hydro Power Complex after project completion.
GE Vernova: Global energy company that supplied power electronics and controls for the project.
Shri L.P. Joshi: Executive Director Tehri Complex, THDCIL
HCC: A member of the project consortium.
SK Release ID: 2133754: An identification number for the press release.
Ministry of Power
Union Minister Sh. Manohar Lal applauds THDC’s
Commencement of COD of 1st Unit of India’s First
Variable Speed Pumped Storage Plant, Tehri PSP
Posted On: 04 JUN 2025 2:19PM by PIB Delhi
THDC India Limited (THDCIL), announced the successful commencement of COD process of the 1st Unit
(250 MW) of the 1000 MW Variable Speed Pumped Storage Plant (PSP) at Tehri, Uttarakhand.
This landmark achievement marks a historic milestone in India’s renewable energy journey, establishing the
Tehri PSP as the largest Pumped Storage Plant by any Central Public Sector Enterprise (CPSE) and the first
Variable Speed PSP in the country.
The commencement was virtually graced by Shri Manohar Lal, Union Minister of Power, Housing and Urban
Affairs, Government of India.
Eminent dignitaries of the Power Sector including Shri Pankaj Agarwal (IAS), Secretary, Ministry of
Power, Government of India; Sh. Akash Tripathi (IAS), Addl. Secretary, Ministry of Power, Govt. of India;
Shri Gurdeep Singh, Chairman & Managing Director, NTPC; Shri R.K. Vishnoi, Chairman & Managing
Director, THDCIL; Shri Shallinder Singh, Director (Personnel), THDCIL; Shri Bhupender Gupta, Director
(Technical), THDCIL; and Shri Sipan Kumar Garg, Director (Finance), THDCIL were also present during the
occasion.
Sh. Manohar Lal, Hon’ble Union Minister of Power, Housing and Urban Affairs, Government of India,
while addressing the gathering stated that the successful operation of 1st unit of India’s first Variable Speed
Pumped Storage Plant at Tehri is not just a technological achievement by THDCIL, but a bold stride towards
India’s energy self-reliance. The project will significantly strengthen our grid stability and support the
integration of renewable energy. Variable speed technology allows us to manage power flow with precision,
making our energy ecosystem smarter and more flexible.
Union Minister congratulated the entire THDCIL team, implementing partners, and every individual who
contributed directly or indirectly to this historic success.
Shri Pankaj Agarwal, Secretary, Ministry of Power, lauded the commissioning milestone, stating that the
Variable Speed Pumped Storage Plant at Tehri is a path-breaking development that significantly strengthens
our Grid flexibility. It plays a pivotal role in our mission to integrate increasing amounts of renewable energy
and transition towards a cleaner, more reliable energy ecosystem.”
Shri Gurdeep Singh, CMD, NTPC, extended his congratulations, saying that this milestone reflects the
high-end engineering capabilities of Indian PSUs in the hydropower sector. It sets a powerful precedent for
future PSP developments across the nation.
Shri R.K. Vishnoi, CMD, THDCIL, conveyed his heartfelt congratulations on this significant achievement
and stated that once fully operational, this Project will elevate the Tehri Hydro Power Complex’s capacity to
2,400 MW, making it India’s largest Hydropower Complex. This project will be instrumental in converting
off-peak surplus energy into peaking power, enhancing grid resilience and supporting round-the-clock power
availability.
Designed to provide flexible peaking power and critical grid balancing support, the Tehri Variable Speed PSP
represents a significant leap forward in India’s ability to manage intermittent renewable energy. This
commissioning milestone reaffirms THDCIL’s leadership in State-of-the-Art Hydropower solutions and
bolsters India’s clean energy credentials on the global stage. The power electronics and controls, along withthe 250 MW variable-speed pumped storage hydropower unit, have been supplied by GE Vernova. GE
Vernova is a global energy company that produces advanced technologies to harness hydropower and deliver
reliable energy solutions.
Also present at the occasion were Shri L.P. Joshi, Executive Director (Tehri Complex), THDCIL, along with
senior officials from THDCIL and representatives from the project consortium comprising GE Vernova,
HCC, and other key stakeholders from the power sector.
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SK
(Release ID: 2133754)