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  1. Market Data
November 29, 2021

Idukki, India

By Carmen

Idukki is a 780MW hydro power project. It is located on Periyar river/basin in Kerala, India. The project is currently active. It has been developed in multiple phases. The project construction commenced in 1969 and subsequently entered into commercial operation in 1976.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 780 780 Active Kerala, India


The project is currently owned by Kerala State Electricity Board.

The total number of penstocks, pipes or long channels that carry water down from the hydroelectric reservoir to the turbines inside the actual power station, are 2 in number. The penstock length is 955m. Idukki (Phase- I (Unit 1- Unit- 3)) underwent through rehabilitation & modernization during 2016. The project generated 2,398 GWh of electricity.

Idukki (Phase- II (Unit 4- Unit 6)) consists of 3 units of pelton turbines with 130MW nameplate capacity.

The hydro power project consists of 6 generators each with 144 MVA nameplate capacity.

Development Status

The project construction commenced in 1969 and subsequently entered into commercial operation in 1976.

Contractors Involved

Idukki (Phase- I (Unit 1- Unit- 3)) is equipped with Neyrpic pelton turbines. The phase consists of 3 turbines with 130MW nameplate capacity.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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