Hydropower continues to predominate large-scale investments successful Nepal, and immoderate clime activists accidental the backing has continued contempt known catastrophe risks.
The Upper Trishuli-1 project, which has been each but destroyed aft past week's floods, was 1 of Nepal's largest overseas nonstop concern ventures, valued astatine astir $647m. Its backers see the Asian Development Bank and the International Finance Corporation.
The Upper Trishuli 3A, which has besides been severely hit, was funded by China's Export-Import Bank.
Himanshu Thakkar, coordinator of the South Asia Network connected Dams, Rivers & People, says planetary lenders were "acutely alert of the utmost information to which they were exposing thousands of labourers, officials, residents, rivers, infrastructure and landscape".
"Their ain reports repeatedly highlighted it. But they did not instrumentality immoderate preventive steps, did not request stringent checks and balances, nor were they prepared for a calamity they knew could occur," helium says.
History has already shown the Trishuli River basin to beryllium volatile, Thakkar says, pointing to however it had been deed by floods successful the past 2 years. In September 2024, an unprecedented cloudburst implicit the Trishuli and Bhote Koshi stream basins sparked flash floods successful Rasuwa, Nuwakot and Dhading - settlements by the stream that are besides among the hardest deed from past week's floods.
Then successful July 2025, a glacial water successful Tibet's Gyirong region burst and swept down this precise aforesaid agelong of stream into Nepal, sidesplitting astatine slightest 11 people. That flood damaged captious infrastructure and halted commercialized on the engaged Nepal-China corridor. The borderline crossing was unopen for astir six months and had lone reopened connected 1 January this year.
Dhakal from the Nepal Electricity Authority admits that adjacent if clime hazard assessments were carried retired correctly, "the designing of the plants whitethorn not person been done accordingly".
"Clearly we volition request to amended successful the mode we physique and run our hydropower plants," helium adds.
Private operators are already feeling the fiscal impact. Insurers person paid retired astir $40m for flood-related harm to much than 20 privately owned plants implicit the past 3 years, according to Uttam Bhlon Lama from the Independent Power Producers' Association of Nepal.
He warns security premiums are rising importantly and making the outgo of doing concern "unfeasible".
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