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UPSC Prelims 2024 Question on – Pumped Storage Hydropower
Q. Recently the term “pumped-storage hydropower” is actually and appropriately discussed in the context of which one of the following?
✅ Correct Answer: (c) Long duration energy storage
Explanation:
- Pumped-storage hydropower is a type of energy storage system.
- It uses two reservoirs at different elevations.
- During excess electricity, water is pumped to the upper reservoir (storage phase).
- During demand, water flows down through turbines to generate electricity.
- Thus, it is widely used for long-duration energy storage and grid stability.
