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Chairman WAPDA visits Mangla Dam

Chairman WAPDA Eng Lt Gen Sajjad Ghani (Retd) visited the Mangla Dam Organization and its various components, including the main dam, Jari Dam Powerhouse. During the visit, the WAPDA Chairman was briefed about the matters relating to Mangla Dam and Mangla Raised ProPowerhouseowerhouse. Member Power WAPDA Jamil Akhtar, GM MDO, GM MRP, Consultants and Contractors were present.

WAPDA is implementing the Mangla Refurbishment Project at an approved PC-I cost of Rs. 52.224 billion. The project is being carried out in various phases, and eight generating units will be refurbished. The refurbishment of the first two units was completed in 2022, while the refurbishment of the remaining six generating units is likely to be accomplished in phases by 2027-28.

When completed, the Mangla Refurbishment Project will increase the generation capacity of the existing Mangla Hydel Power Station from 1000 MW to 1310 MW, or 310 MW. Thus, the average annual generation of the Mangla Hydel Power Station will increase from 5 billion units to 6.6 billion units.

USAID is providing a grant of US$150 million, and AFD France is providing a loan of Euro 90 million for the Mangla Refurbishment Project. WAPDA is arranging the WAPDA is arranging rest of the amount through loans and its resources.

Mangla Dam has been pivotal in the country’s economic development over the last five decades by releasing stored water for irrigation, mitigating floods, and adding low-cost electricity to the National Grid. Mangla Dam, one of the world’s most earth & rock-filled dams, has provided 262.67 billion units of low-cost electricity to the National Grid since its commissioning. Manlga Dam was constructed in 1967 with a live storage capacity of 5.88 MAF, which was gradually reduced to 4.6 MAF in 2004 due to the natural sedimentation phenomenon. Subsequently, the Mangla Dam Raising Project was initiated in 2004 to optimize the water potential of River Jhelum. With the substantial completion of the project in 2009, the water storage capacity of the Mangla Reservoir project eased.

When designing the project in 1960, the consultants of Mangla Dam envisaged the reservoreservoir’srom 100 to 115 years. However, effective watershed techniques adopted by WADPA and the completion of the Mangla Dam Raising Project have increased the reservoir by 281 years.

During the visit, the rehabilitation of the Jari Dam intake gate, tunnel outlet works, revision of the reservoir’s operating level from 1050 ft. to 1058 ft., intake trash screening problem, and de-silting of five small Hydel Power Stations and Units 1 and 2 under refurbishment were also discussed. 

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