Upper Tamor Hydropower Project (415 MW)
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STATUS:
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Obtained Feasibility Study Licence and undertaking the study.
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The Project is Located in the bordering area of Nepal and India. The distance between this 415 MW proposed Upper Tamor Project and the Rangit Project (60 MW) in Sikkim is 60 km
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PRELIMINARY SALIENT FEATURES OF UPPER TAMOR PROJECT
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1. General
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- Project Location : Taplejung district Tapethok/Linkhim/Ikhabu and Lelep VDCs,
- Zone : Mechi Zone
- Development region : Eastern Development Region
- Nearest highway : Mechi Highway
- Climate : Sub-tropical, Temperate & Alpine
- Average temperature: 18° C in April, -0.30 °C in February
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2. Hydrology
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- Catchment Area 1850 km2
- Annual mean flow 98 m3/s
- Maximum discharge 2085 m3/s
- Minimum discharge 8.09 m3/s
- Design discharge 105 m3/s (33.3 % exceedance probability)
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3. Project Components
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- Dam: Gravity Type
- Undersluice 12.5 m *18 m (B*H)@5 Nos
- Headponed,Surface,volume: 2 hrs,storage time
- Settling Basin : 170m long,.23 m wide, 3 chambered
- Headrace Tunnel: 8746m long
- Surge Tank: 58 m height,20 m diameter
- Inclined Shaft: 683 m long
- Penstockpipe: 3.0 m diameter
- Power house: Semi underground
- Turbine: 83 MW Francis Turbines@5 Nos
- Transmission line: (Basnatapur/Arun/Duhabi =62km/66km/145km) 220 KV double circuit
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4. Energy
- Gross Head: 490 m
- Installed capacity : 415 MW
- Average Annual Energy: 2117.6 GWh
- Firm Energy: 158.75 Gwh (From mid December to mid April)
- Secondary Energy: 543.14 Gwh (From mid April to mid December)
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