Hydro Disaster

2022: Accidents & Damages related to Hydro projects in India

In this annual review, SANDRP compiles the hydro power related accidents, disasters and damages in North West and North East Himalayan states during 2022. It also covers relevant reports revealing gradual decline in power generation by hydro power projects amid growing concerns over physical and financial viabilities of new projects. There are also reports highlighting the looming climatic and geological threats over these projects. It is good to see that taking lessons from Chamoli disaster in Feb. 2021, NDMA has officially asked central govt not to rely on hydro power.

In previous parts of yearend roundups, we have covered (1) Dam induced floods & damages, (2) Fly ash dam breach incidents, (3) Impact of floods on Polavaram project, (4) People’s resistance against dams and hydro projects. Please see links for reports tracking hydro power projects related accidents and disasters in 2021 and 2020.

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Hydro Disaster

Deaths and disaster at NHPC’s Parbati-II Hydro project

In a tragic incident, 4 labourers were killed and one was injured after part of an under construction tunnel of NHPC’s Parbati-2 hydropower project collapsed on Friday evening around 4.30 pm, May 21, 2021[i]. This happened at Pancha Nalla in the Garsa (Bhuntar) Valley of Himachal Pradesh’s Kullu district[ii]. The accident happened when the labourers were doing drilling work in the 600m-long diversion tunnel (a sub tunnel of the main 31.52 km long tunnel[iii]). The whole area, where drilling was underway, collapsed. Four bodies were found buried under the debris. This description possibly shows signs of neglect of NHPC and the contractors.[iv]

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