Third 250 MW unit of Tehri Variable Speed Pumped Storage Plant begins commercial operation
Power Minister Manohar Lal virtually commenced the commercial operation of the 3rd 250 MW unit of THDC India Limited's 1,000 MW Tehri Variable Speed Pumped Storage Plant in Uttarakhand on 9 December 2025.
Summary
Power Minister Manohar Lal virtually commenced the Commercial Operation Date (COD) of the 3rd unit (250 MW) of THDC India Limited's 1,000 MW Tehri Variable Speed Pumped Storage Plant (PSP) in Uttarakhand from New Delhi on 9 December 2025. The Tehri PSP is India's first variable speed pumped storage plant and the largest PSP of its kind by a Central Public Sector Enterprise. Manohar Lal said pumped storage plants are critical for reliable power supply and grid stability as more renewable energy is added.
Key facts
- Date
- 9 December 2025
- Plant
- Tehri Variable Speed PSP, Uttarakhand
- Unit
- 3rd unit, 250 MW
- Total capacity
- 1,000 MW
- Developer
- THDC India Limited (THDCIL)
- Distinction
- India's first variable speed PSP
Practice MCQs 2 questions
The Tehri Variable Speed Pumped Storage Plant, whose 3rd unit began commercial operation on 9 December 2025, is developed by which company?
Show answer
Correct answer: A — THDC India Limited
PIB 2200988: THDC India Limited (THDCIL) commenced the COD of the 3rd unit of the 1,000 MW Tehri Variable Speed PSP.
Consider the following statements about the Tehri Pumped Storage Plant: 1. The plant has a total capacity of 1,000 MW. 2. The plant is India's first variable speed pumped storage plant. 3. The unit that began commercial operation on 9 December 2025 has a capacity of 500 MW. Which of the statements given above is/are correct?
Show answer
Correct answer: B — 1 and 2 only
PIB 2200988: the plant is 1,000 MW and India's first variable speed PSP; the 3rd unit that began commercial operation is 250 MW, not 500 MW.