Tarbela 4th Extension Hydropower Project

Tarbela 4th Extension Hydropower Project


Tarbela Dam (on Indus River), District Swabi, Khyber Pakhtunkhwa

Salient Features
  • Modification of Tunnel 3 & 4 Intakes
  • Construction of Low Level Outlet Gates
  • Installed Capacity 1,410 MW (Three Units 470 MW each)
  • Annual Energy 3,840 GWh
Consultants JV of Mott MacDonalds Ltd. UK, Coyne-et-Bellier, France with MM Pakistan & ACE Pakistan as Sub-consultants
  • Civil Work Contract awarded to M/s Sinohydro Group Ltd. China (SHGL).
  • E&M Work Contract awarded to M/s Voith Hydro China & Voith Hydro GmbH Germany (Consortium).
Commencement Date 2013, Oct
Completion Date Actual 10th March 2018 (Unit #17) (Civil Works of Power House completed, remaining Intakes works to be completed by June 2021)(dependent on safe reservoir level & T3 & T4 shutdowns). 
Financial Status (Rs. Million) Local Foreign Total
1st Revised PC-I Cost (06.01.2020) 62,277.000 60,700.000 122,977.000
PSDP Allocation 2022-2023 1,240.000 700.000 1,940.000


Financing Arrangements

• The finances for Feasibility Study, DED & Tender Documents amounting to the US $ 6.40 Million were taken from component B-4 of WCAP, whereas the finances of US $ 928 Million for Implementation/Construction.
• World Bank (IBRD US$ 400 Million & IDA US$ 440 Million) has financed 90% of the Implementation / Construction of the project; signed on 12.04.2012.
• Loan # 8144-PAK & Credit # 5079-PAK became effective on 27.04.2012.
• Revised World Bank Loan/Credit: March 2016 (US$ 692 Million: IDA US$ 292 Million + IBRD 400 Million)

Civil Works:

Physical Progress for Civil Works achieved is 99.95% against 100%.
Physical Progress for E&M Works is 99.99% against 100%.
E&M Works:
• LLO wet testing will be carried out on the availability of the required reservoir level and approval from NPCC.
• TRs/Punch point rectification continued with slow progress, PCCCL being intimated from time to time for early rectification of same.
• Spare parts and As-Built documents submission continued.

ICB Contract-102 (Up-gradation of existing 500 kV Switchyard): 100% completed

• Physical Progress: 99.97%

In charge of the Project
Engr. Zakir Attiq
Chief Engineer/Project Director
Tarbela 4th Ext Project
Contact No. 0092-938-281175


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