Idukki Dam

 

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River(Impounds): Periyar River

Location: Idukki, Kerala, India

Opening: 1973

Height: 168.91 m

Length: 365.85 m

Total Capacity: 1,618,184 acre·ft

HISTORY:

The idea of constructing a dam for power generation was first conceived in 1919. As per history, Shri Kolumban, the head of ‘Oorali’ race during 1922, showed the way to the Malankara Estate Superintendent and his friend AC Thomas Edattu, who were on hunting spree in the forest, the spot of present Arch Dam. He told them of the legend of Kuravan and Kurathi Hills. Mr. Thomas was impressed by the sight of water flow between the mountains and it was his idea that has materialized in the form of Idukki Arch Dam. Sri. W.J.John of Malankara Estate submitted a report to the Government of Travancore in 1932 on the possibility of constructing a dam at Idukki for Power Generation.

In 1947, a preliminary investigation report was prepared and submitted by Sri. P. Joseph John, the then Chief Electrical Engineer to the Government of Travancore. It was during 1956 that the Central Water Commission conducted a detailed investigation based on the Government’s request. The project report was prepared in 1961 and the Planning Commission accorded sanction for implementing the scheme in 1963. In 1964, under the leadership of Sri. E.U.Philipose, Superintending Engineer, preliminary works of the project were started.

The construction of this Dam commenced on 30 April 1969 under the guidance of several engineers like Sri. C.V Mathews(Retired Chief Engineer, Electricity Board) . Storage of water in Idukki reservoir commenced in February, 1973. The inauguration of trial run of the first machine was celebrated on 4 October 1975. Commercial operation of the Power Station was Commissioned on 12 February 1976 by the then Hon. Prime Minister Smt. Indira Gandhi. The Government of Canada aided the Project with long term loans and grants. M/s S.N.C.Inc., Canada, a well-known firm of Consulting Engineers were advising and assisting Project Engineers under Canadian aid.

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