Harpo HPP

Harpo HPP
Harpo HPP is a scheduled high-head hydropower scheme for the production of baseload as well as peakload in the Skardu region in Pakistans North-East. The scheme utilities the head between the Harpo River (left tributary to the Indus) and the Indus River itself.
Client:
Water and Power Development Authority (WAPDA), Pakistan
Period:
2011 - 2011
Services:
  • Review of a existing Feasibility Study dated 2002
  • Update of the study basing on new data and findings on topography, hydrology, geology and seismicity
  • Optimisation of the scheme design
  • Tendering and supervision for topographic survey works as well as geophysical and geotechnical field investigations
  • Power demand study
  • Environmental impact assessment
  • Cost estimation
  • Economic and financial analysis
Technical data:
  • Catchment area: 189 km2
  • Installed capacity: 2 x 17 MW = 34 MW
  • Annual energy production: 168 GWh
  • Gross head: 717 m
  • Rated discharge: 5.8 m3/s
  • Type of turbine: Pelton with vertical axis
  • Retention structure: Tyrolean weir
  • Impounding depth: 2.75 m
  • Sandtrap: 2 chambers, W x L 3.9 m x 90 m
  • Storage capacity forebay: 36,000 m3
  • Length penstock: 3,000 m
  • Diameter penstock: 1.3 m
Department
Water
Spectrum
Hydropower Planning
Country
Pakistan
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