Middle Marsyangdi Run-of-River Hydropower Plant, Nepal

Middle Marsyangdi Run-of-River Hydropower Plant, Nepal

With the aim of generating power, some 170 km to the west of Kathmandu the River Marsyangdi is to be impounded by constructing a combined concrete and rockfill dam and spillway in a deep gorge. Also part of the facility are three underground sand and gravel traps and a 5.5 km pressure tunnel as well as sufficient storage capacity for peak generation over five hours. The power plant in cut-and-cover construction is equipped with two Francis turbines. Fichtner undertakes planning and site supervision for this project, which also includes two access roads, a 132 kV switchgear installation and grid tie-in.

Our services

  • Feasibility study
  • Conceptual engineering and drawing up specifications
  • Compilation of tender documents
  • Bid evaluation and support during contract negotiations
  • Detail engineering
  • Site supervision
  • Consultancy for operation and maintenance

Technical data

  • Total power rating: 78 MW
  • Concrete and rockfill dam: 95 m length and 54 m height
  • Pressure tunnel: 5.5 km length, 5.4 m diameter
  • Penstock: 4.6 m diameter
  • Design flood discharge for spillway: 4270 m3/s
  • Design discharge: 80 m3/s

Client

Nepal Electricity Authority, Kathmandu, Nepal