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Positive sustainability aspect
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Distribution & sharing benefits
The Andhikhola Hydroelectric Project, Nepal, boasts a number of innovative and very unusual design features in the energy distribution system and tariff structure, enabling very low income subsistence farmers in rural Nepal to enjoy the benefits of electricity.
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| Overview
The Andhikhola Hydroelectric and Rural Electrification Project (AHREP) is a 5.1MW run of river scheme situated in the mid-hills near Galyang Bazaar, 280km south-west of Kathmandu, Nepal.
A 6m high by 60m long concrete gravity diversion weir on the Andhikhola River north of Galylang diverts flow through the intake structure on the left bank. From here, water passes through a 1.3km long horizontal tunnel prior to the headrace tunnel and into a 234 metre vertical drop shaft to an underground powerhouse containing three 1.7MW Pelton turbines and generators. The scheme supplies approximately 27GWh of electricity into the Nepalese electricity grid annually.
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Scheme Specifications
Dam Name
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Scheme operator
Butwal Power Company Ltd
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Size of scheme (MW)
5.1
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Country
Nepal
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Catchment area
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River
Andhikhola River
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Effective reservoir capacity
Run of River
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Construction years
1982-91
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Reservoir size
Run of River
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External recognition
The Andhikhola Hydroelectric Scheme has received significant recognition from external sources, including:
- 2005 “Blue Planet Prize” awarded by the International Hydropower Association
- The scheme featured in the book “New designs for rural electrification – private sector experiences in Nepal”, published in 1994 by the National Rural Electrification Association, USA (a pioneer organisation on rural electrification in the US).
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