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Pumped Storage Hydro Power Plant - Kadamparai
June 4 , 2026
16 hrs 0 min
33
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- The Kadamparai Pumped Storage Hydro Power Plant is Tamil Nadu’s only pumped storage facility with reversible two-way turbines.
- The plant is currently operating at only 25% of its capacity due to ageing equipment and recurring faults.
- The plant was commissioned in 1987 and was Tamil Nadu’s first pumped storage hydroelectric project.
- It can operate in both generator mode and motor (pump) mode.
- The plant has an installed capacity of 400 Megawatts (MW) with four units of 100 MW each, but currently only one unit is generating power while the other three are under repair.
- During periods of surplus solar and wind power, the plant pumps water from the Lower Aliyar Dam to the Kadamparai Dam, storing energy for future use.
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