India

Idukki hydro power station — 780 MW Hydroelectric

Hydroelectric Renewable Verified

Idukki hydro power station is a 780 MW hydro power plant located in India. View location, capacity, and technical details.

Capacity
780 MW

Installed

Commissioned
1976

Year online

Owner
Kerala State Electricity Board

Operator

Location
9.79, 76.86

Coordinates

Insights

#213
largest in %s
#491
largest %s worldwide
#3,103
largest worldwide
1976
%d yrs older than avg
21
operated by %s
50
plants within 100 km

Technical Details

Fuel Type
Hydroelectric
Capacity
780 MW
Commissioned
1976
Status
Operational
Owner
Kerala State Electricity Board
Country
India
Coordinates
9.789, 76.860

Estimated Carbon Footprint

Annual CO₂
65,595 t

tonnes / year

Lifetime CO₂
5.2M t

over ~%d yrs

Intensity
24 g

gCO₂ per kWh

Annual emissions equal to

14,260
cars / year
8,746
homes / year
3M
trees to offset

Renewable source — life-cycle emissions only (materials/construction), no direct combustion. Open calculator

Nearby Stations

About this plant

The Idukki Hydro Power Station is a significant hydroelectric facility located in the Idukki district of Kerala, India. With a total installed capacity of 780 megawatts (MW), it plays a crucial role in the energy supply of the region and the country. Owned and operated by the Kerala State Electricity Board (KSEB), this power plant harnesses the potential energy of flowing water to generate electricity, contributing to India’s commitment to renewable energy sources. The Idukki Hydro Power Station is part of a larger complex that includes the Idukki Dam, which is one of the tallest arch dams in Asia, built across the Periyar River. This facility utilizes the potential energy stored in the water at higher elevations to drive turbines, converting it into electrical energy. The plant consists of three units of 130 MW each and three units of 150 MW each, which together enable efficient power generation, particularly during peak demand periods.

Hydropower, as a fuel source, is recognized for its renewability and sustainability. It generates electricity without emitting greenhouse gases during operation, making it a clean alternative to fossil fuels. However, the construction and operation of hydropower plants can have environmental impacts, including alterations to local ecosystems, fish migration patterns, and potential displacement of communities. In the case of the Idukki Hydro Power Station, measures have been taken to mitigate these impacts, including the implementation of fish ladders and other ecological considerations to maintain biodiversity in the region.

The Idukki Hydro Power Station is vital not only for the state of Kerala but also for India’s broader energy sector, as it helps to diversify the energy mix and reduce reliance on coal and natural gas. As India works towards increasing its renewable energy capacity, hydropower remains a cornerstone of this strategy. The station contributes significantly to the grid stability of southern India, particularly during periods of drought when other sources of energy may be less reliable.

Regionally, the Idukki Hydro Power Station holds great significance, providing a substantial portion of Kerala’s electricity needs. It supports the state’s industrial and agricultural sectors, ensuring that reliable power is available for local businesses and farming activities. Moreover, the presence of the power station has led to the development of infrastructure and job opportunities in the surrounding areas, contributing to the overall economic development of Idukki district. The area has also become a center for tourism, with visitors drawn to the scenic beauty of the dam and the surrounding hills, further enhancing its importance beyond just energy production.

In summary, the Idukki Hydro Power Station stands as a vital component of both Kerala’s and India’s energy landscape, exemplifying the potential of hydropower as a sustainable and reliable energy source while playing an important role in regional economic development and environmental stewardship.

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