MIRPUR: In yet another significant development, Tarbela's fourth extension project has been approved by Central Development Working Party (CDWP) in its meeting on Friday.
This development has taken place within a short span of a week after the inauguration of Mangla Dam raising project and foundation stone laying ceremony of Diamer-Basha Dam project, Water and Power Development Authority sources told APP on Friday.
1410 megawatt (MW) Tarbela 4th Extension Project is a part of least-cost power generation strategy being implemented by WAPDA.
This strategy not only aims at adding a sizeable quantum of electricity to the national grid but also improving the ratio of low-cost hydel electricity in overall system to stabilize the power tariff.
Generation capacity of Tarbela Hydropower Station would rise to 4888 MW after installation of 1410-MW units.
The sources said that after completion, Tarbela 4th extension Hydropower Project will provide about 3.84 billion units low-cost electricity to the national grid per annum.
The project will be instrumental in saving foreign exchange on import of almost one million tons of furnace oil annually, required for the equivalent generation of electricity from thermal sources.
The project will be constructed with an estimated cost of 935 million US dollars. It is pertinent to mention that WAPDA has arranged the required finances through the World Bank.
Tarbela 4th extension Hydropower project includes installation of three units, 470 MW each at Tarbela Dam on existing Tunnel-4, being used for irrigation releases.
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