World Bank-Funded Dam Project Suspended After Catastrophic Collapse
Construction work on the World Bank-funded Tarbela 5th Extension Hydropower Project has been suspended indefinitely after a protective bund breached on Monday.
Construction work on the World Bank-funded Tarbela 5th Extension Hydropower Project has been suspended indefinitely after a protective bund breached on Monday.
Article outline
- What happened
- What comes next
- The key numbers
- The details
- The bottom line
Key points
- The project has an approved cost of $807 million, with the World Bank providing $390 million and the Asian Infrastructure Investment Bank contributing another $300 million.
- WAPDA awarded a $354.6 million civil works contract to China's Power Construction Corporation in May 2021.
- The project intends to add 1, 530 megawatts of generation capacity through three units, each capable of producing 510MW.
- Construction was additionally temporarily suspended in August 2025 after rising reservoir levels and climbed water inflows flooded parts of the construction site.
- The project was originally scheduled for completion within five years, but repeated delays pushed its deadline to September 2027.
For context, the break was devastating and allowed a sizeable volume of water to flood Tunnel Five. While emergency teams rescued one worker who was swept away by the incoming water, it forced engineers and local authorities to evacuate Pakistani and foreign workers from the construction site. IPPs Charge 12 Times More than Dams for Electricity Generation.
According to Sources earlier, water had entered the tunnel after the protective bund's failure.
All workers had been moved to safety and no casualties had been documented. The district administration has introduced an investigation to determine what caused the breach.
Notably, a high-level inquiry will examine whether a structural weakness or technical fault led to the protective bund's failure. Authorities will decide the next course of action after receiving the investigation report.
For context, the suspended work is part of the Tarbela 5th Extension Hydropower Project, a major Water and Power Development Authority (WAPDA) scheme designed to expand electricity generation at Tarbela Dam. The World Bank arranged funds for developing the project.
Notably, the project intends to add 1, 530 megawatts of generation capacity through three units, each capable of producing 510MW. Once completed, it will growth Tarbela Dam's installed capacity from 4, 888MW to 6, 418MW.
Notably, the project has an approved cost of $807 million, with the World Bank providing $390 million and the Asian Infrastructure Investment Bank contributing another $300 million.
WAPDA awarded a $354.6 million civil works contract to China's Power Construction Corporation in May 2021. Pakistan Restarts Offshore Oil Exploration After 20 Years.
In practice, the project was originally scheduled for completion within five years, but repeated delays pushed its deadline to September 2027. Difficulties in obtaining an NOC from the Indus River System Authority (IRSA) for closing Tunnel Five have delayed it for years.
Construction was additionally temporarily suspended in August 2025 after rising reservoir levels and climbed water inflows flooded parts of the construction site. Stay Connected with ProPakistani.
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Taken together, the developments around world Bank-Funded Dam Project Suspended After Catastrophic Collapse point to a situation that is still moving, and the coming days should bring more clarity.



