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Nepal’s Hydropower Reliance Called Into Question After Deadly Floods

Over 1,300 killed, 12 plants damaged, and 10% of capacity lost as climate change threatens Himalayan energy strategy

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By LineZotpaper
Published
Read Time2 min
Catastrophic floods that killed more than 1,300 people and destroyed villages along the Nepal-Tibet border have severely damaged 12 hydropower plants in the Trishuli River basin, knocking out more than 10% of Nepal’s total power generation capacity and prompting the state-owned electricity authority to call for a fundamental reassessment of the country’s energy policy. Nepal produces nearly all of its electricity from hydropower and exports around $200m worth annually to India and Bangladesh.

The scale of the disaster has laid bare the vulnerability of Nepal’s heavy reliance on hydropower as Himalayan glaciers — the source of its rivers — melt at an accelerating rate due to global warming. The floods, which also left thousands missing, severed a critical link in a power system that until eight years ago suffered lengthy power cuts but now supplies enough electricity to export.

Operators of the 12 damaged facilities told the BBC they do not yet know whether any of the plants can be brought back into operation. Six of the plants are owned by the Nepal Electricity Authority, whose spokesman Rajan Dhakal assured Nepalese households that supply remains adequate but acknowledged that with climate-related disasters becoming more frequent, “the time has come for a rethink of our hydropower policy.”

The Trishuli River basin, where the damage occurred, is a key hub for hydro generation. The loss of more than a tenth of national capacity underscores the risk of concentrating energy infrastructure in a single geologically and climatically sensitive region. As global warming intensifies glacial melt and extreme rainfall events, the very mountains that give Nepal its hydro advantage increasingly threaten the stability of its grid.

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Analysis

Why This Matters

  • Nepal’s near-100% hydro reliance means any disruption to river systems directly threatens electricity supply for households, businesses, and hospitals across the country.
  • The disaster could derail Nepal’s profitable electricity exports to India and Bangladesh, which earn the country nearly $200m each year — revenue that supports development.
  • If multiple plants cannot be restored, Nepal may face rolling blackouts for the first time in years, reversing gains in energy access and reliability.

Background

Nepal is endowed with some of the world’s steepest river gradients, giving it enormous hydropower potential. Over the past two decades, the country has invested heavily in dam construction and now generates almost all its electricity from hydro. This strategy lifted the nation out of chronic power shortages and opened a lucrative export market. However, the Himalayan region is highly sensitive to global warming. Glacial lake outburst floods and intensified monsoon rains are becoming more common, directly threatening dam infrastructure that was built assuming a stable climate.

Key Perspectives

Nepal Electricity Authority (via spokesman Rajan Dhakal): Supply remains adequate for now, but the increasing frequency of climate disasters forces a rethinking of hydropower policy. The authority owns half the damaged plants and faces mounting recovery costs. Hydropower plant operators: Uncertain whether any damaged facilities can be restored. The financial and engineering challenges of repairing or rebuilding in a fragile mountain landscape are enormous. Climate and disaster risk experts: The Trishuli basin disaster is a warning that infrastructure designed for historical weather patterns may be unsafe in a warming world. Diversification into solar, wind, or other sources may be necessary.

What to Watch

  • Whether the damaged plants can be repaired or are written off — a decision that will determine Nepal’s hydropower capacity for years.
  • Any shift in government policy toward energy diversification or stricter flood-resilience standards for new hydro projects.
  • The response from India and Bangladesh, which depend on Nepal’s hydropower exports and may face supply uncertainties.

Sources

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Articles published under the Zotpaper byline are synthesized from multiple source publications by our AI editor and reviewed by our editorial process. Each story combines reporting from credible outlets to give readers a balanced, comprehensive view.

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