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Energy
Mini-Hydropower: Introduction and Overview Peter Schragl
Lima, 13 noviembre 2012
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Content
Mini-Hydropower
Classification & characteristics
Basic scheme design & components
Important parameters
Opportunities and constraints
Sources and further reading
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Classification of small scale hydropower
Hydropower
Class
Capacity
Range
Small up to 10 MW
(20 MW Peru )
Mini up to 1 MW
Micro up to 100 kW
Pico up to 5 kW
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Characteristics
Run of the river schemes
Decentralized power generation
Grid connected or isolated mini-grid
Plant operation with lower automation level
Often limited available data for detailed design
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Basic scheme design
Powerchannel and penstock Long penstock
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Basic scheme design
Mill leat Barrage / Dam
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Basic scheme design
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Basic scheme design – Weir and Intake
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Basic scheme design – Weir and Intake
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Basic scheme design – Weir and Intake
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Important parameters
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Important parameters
HEAD (H)
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Important parameters
Head Detailed topographic maps
Topographic survey
Direct head measurements
Flow Gauging stations
Correlation of catchment area
Modelling of catchment area
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Important parameters
Mountainous terrain
Many rivers and streams
High yearly precipitation
Region Height above
sea level (m)
Yearly rainfall
(mm)
Coast
(Costa)
0 – 500 40
Highland
(Sierra)
500 – 6780 600
Forrest
(Selva)
400 – 1000 3000 – 4000
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Opportunities and constraints
Large Hydro
Gas
Other
Small Hydro
Power Generation of one day with peak demand in 2011
Source: Memoria Anual COES 2011
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Opportunities and constraints
Hydrological
Region
Sites Cumulative
Technical
Potential (MW)
Pacific 02 17 322,55
Pacific 04 5 65,40
Atlantic 07 46 1066,73
Atlantic 10 6 355,32
Atlantic 11 1 91,99
Atlantic 12 4 102,35
Atlantic 13 21 141,10
Total 100 2 145,44
Best 100 potential hydropower projects (1-100 MW)
Source: Atlas del potencial hidroeléctrico del Perú, 2011
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Opportunities and constraints
Excerpt of 100 potential hydropower projects (1-100 MW)
Source: Atlas del potencial hidroeléctrico del Perú, 2011
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Opportunities and constraints
Hydropower tradition in Peru Large Hydropower > 50% of total power generation in 2011
Small Hydropower is still dormant ~1%
Great hydropower potential (Small HP > 2000 MW)
European Union – Free Trade Agreement
Standardized Processes – Continuous Tenders
Atlas for Hydropower Potential in Peru
Growing economy and growing energy demand
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Opportunities and constraints
A successful project
combines…
…ensure coverage of all
aspects and include
partners who supplement
your expertise
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Importance of reliable partners and quality products
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Sources and further reading
1. Atlas del potencial hidroeléctrico del Perú, 2011 Ministerio de Energía y Minas http://sigfoner.minem.gob.pe/hidro/Site/hgis/atlas.html
2. Photovoltaik und Kleinwasserkraft Zielmarktanalyse Peru – mit Profilen der Marktakteure, 2012 Deutsch-Peruanische Industrie- und Handelskammer www.exportinitiative.bmwi.de
3. GOOD & BAD of Mini Hydro Power, 2009 The ASEAN Centre for Energy (ACE) http://www.aseanenergy.org http://agmhp.aseanenergy.org