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Power Generation is essentially required for improving and maintaining the infrastructure of the overall development of a nation. It is the tool to forge the economic growth of any country. Spat Gah-Gabarband Gah valleys consisted of Upper Spat Gah (US), Middle Gabarband (MG), both with dams, and Lower SpatGah (LS) stage as a runoff river scheme and run almost parallel in east west direction for about 30 km, up to their zenith at elevation 2800 m. The project aims for development of a high head hydropower scheme, located on the left bank of the Indus River in Kohistan district (NWFP). The main objective of this study was development and optimization of Lower Spat Gah (LS) scheme in cascade and simulation of energy generation at with and without addition of the Upper schemes of the cascade. Finally simulation results are presented in this book and recommendations were drawn for researchers and planners. The author appreciate the efforts of Barthlemy Chaton and his team in facilitating and highly acknowledge publishing of it by VDM Publishing House Ltd., for technical knowledge sharing internationally.

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