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Idukki Hydroelectric Project

Kumari Sonali

Idukki Hydroelectric Project:

As the Idukki hydroelectric project, Kerala’s largest hydel power project, marks a historic 50-year milestone, the Moolamattom power plant has recorded a total generation of 115,852.672 million units (MU) over the past five decades.

  • It is built across the Periyar River in the Idukki district of Kerala.
  • It is the largest hydroelectric project in Kerala.
  • The powerhouse at Moolamattom is the longest underground power station in India, and the pressure shaft is the largest in the country.
  • There are three dams associated with this project. They are: Idukki Arch Dam, Cheruthoni Dam & Kulamavu Dam.
  • The Idukki dam is one of the highest ten arch dams in the world and the third highest in India after the Tehri Dam (Uttarakhand) and Bhakra Nangal Dam (Himachal Pradesh).
  • It is the first dam in Asia that is constructed in a double-curvature arch dam type and the second in the world.

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