Upper Tamakoshi Hydropower Ltd

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Upper Tamakoshi Hydropower Limited (NEPSE: UPPER) is a hydropower generation company established to develop and operate Nepal's largest hydroelectric project. The company operates a 456 MW run-of-river hydroelectric facility on the Tamakoshi River in Dolakha District, Bagmati Province. The project features an underground power station with six Pelton wheel turbines, a gross hydraulic head of 822 meters, and generates approximately 2,281 GWh of electricity annually. The facility commenced commercial operations in August 2021 with four units, and achieved full capacity with all six units operational by September 2021. Upper Tamakoshi supplies its entire power generation to the Nepal Electricity Authority under a power purchase agreement with tariff rates of Rs 3.63 per kWh during the wet season (mid-April to mid-December) and Rs 6.96 per kWh during the dry season. The company was incorporated in 2007 and is headquartered in Gyaneshwor, Kathmandu, Nepal.

Key Facts

Installed Capacity

456 MW

Location & River

Tamakoshi River, Dolakha District, Bagmati Province

Commercial Operation Date

August 20, 2021 (4 units); September 10, 2021 (full capacity, 6 units)

Annual Generation

2,281 GWh

PPA Tariff Rates with NEA

Rs 3.63/kWh (wet season, mid-April to mid-December); Rs 6.96/kWh (dry season)

Hydraulic Head

822 meters