Kerala's Idukki Hydroelectric Project Celebrates 50 Years Amidst Future Hydropower Challenges
The Idukki Hydroelectric Project in Kerala marks 50 years of operation in February 2026, raising questions about the future of hydropower in the context of climate change and ecological sustainability. The project, which includes three dams and a powerhouse with 780 MW capacity, has been pivotal for the state's electricity supply. As discussions about an Idukki Extension Project to add 800 MW begin, the changing hydrology due to climate variations presents new challenges for hydropower management in the region.

The Idukki Hydroelectric Project in Kerala completed 50 years of operation in February 2026, marking a significant milestone in the state's energy history. The project consists of three dams and an underground powerhouse with a capacity of 780 MW.
As discussions for an extension project to add 800 MW commence, concerns grow over the impacts of climate change and ecological sustainability on hydropower. Increasing rainfall variability and past flood events illustrate the challenges of managing reservoir levels. Future energy strategies may focus on optimizing existing infrastructure and integrating solar power with hydropower rather than building new dams.




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