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Daad Probefolien

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Webinar Renewable Energy
Lecturer´s notes for session 6: Small Hydro Power

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  • 1. Session # 6 – November 18, 2010
      • TODAY’S TOPIC:
      • Small Hydro Power (and a Wind Interview)
    Concept and Contents Copyright Macademia 2010; Copyright on pictures as indicated; no unauthorized use or publication Picture Copyright: E.ON 2010, no further use allowed without permission
  • 2.
      • Where are we now?
      • Policy approaches
      • Wind
      • Solar PV
      • Funding
      • Solar Thermal
      • SHP & Wind Interview
    Session # 6 – November 18, 2010
  • 3.
      • What we will cover
      • History and Basics of Small Hydropower
      • Main turbine types and applications
      • The Renaissance of Small Hydro/Potential
      • Going back to Wind: Interview with Nico Köllner
    Picture Copyright to Thermovolt France S.A.S., no further use allowed without permission Session # 6 – November 18, 2010
  • 4.
      • Your visiting scholar today:
      • Your visiting scholar today:
      • Nico Köllner, E.ON Climate & Renewables
    Session # 6 – November 18, 2010
  • 5.
      • Definition of Small Hydro
      • Centuries of Hydropower use
      • From small turbine applications to large hydro
      • Main types of systems used
    1
      • The Basics of Small Hydropower
      • Our Schedule for Today
    Session # 6 – November 18, 2010
  • 6.
      • Efficiency and types of turbine systems
      • Costs depending on system
      • Locations and Environmental Impact
      • Potential for Small Hydropower
    2
      • Key Topics in Small Hydropower
      • Our Schedule for Today
    Session # 6 – November 18, 2010
  • 7.
      • The Link to Small Hydropower
      • From Turbine Sizes to the Location – key factors
      • Future Challenges
    3
      • A look back to Wind Power
      • Our Schedule for Today
    Session # 6 – November 18, 2010
  • 8.
      • Before we start…
      • What is happening in the Forum?
    Session # 6 – November 18, 2010 A
      • Country
    B
      • Data
    C
      • Business
  • 9.
      • The definition of ‘small hydro’ – no standardization
      • Upper Limits from 2.5 MW – 30 MW
      • Frequently used: 10 MW capacity
      • Substantial impact of “small systems”
    1
      • The Basics of Small Hydropower
    Session # 6 – November 18, 2010
  • 10.
      • A long mechanical tradition – at different development stages
      • Water turbine development in France / 19th century
      • 1880s – larger scale electricity generation
      • Early 20th century: development of today’s technology
    1
      • Centuries of traditional use
    Session # 6 – November 18, 2010
  • 11. 1
      • From small applications to Large Hydro
      • A tendency to larger units throughout 20th century
      • Particularly 1930s to 1970s
      • As with other renewables: renewed interest after oil crises in the 1970s
    Session # 6 – November 18, 2010
  • 12. 1
      • Main Types of Systems
      • High-head system
      • Low-head system
      • Supplemental systems
        • irrigation
        • drinking water supply
        • agricultural purposes
    Session # 6 – November 18, 2010
  • 13. 2
      • Key Topics: Costs
      • Main Components for Small-Hydropower
        • Engineering Expenditures
        • Electrical Equipment / Material used
        • Turbine System
      • Costs shared very unevenly depending on type of system used
    Session # 6 – November 18, 2010
  • 14. 2
      • Key Topics: Costs
      • Best Competitiveness
        • Good site / location with appropriate topography
        • Suitable for system with relatively low investment costs
      • Wide range of investment costs and availability of systems
    Session # 6 – November 18, 2010
  • 15. Session # 6 – November 18, 2010 2
      • Key Topics: Environmental Impacts
      • Potential impacts of Small Hydropower
        • Impact on ground-water level
        • Natural habitat
        • Fish migration routes
        • Water quality issues
        • River flow characteristics
  • 16. Session # 6 – November 18, 2010 2
      • Key Topics: Environmental Impacts
      • Potential impacts of Small Hydropower
        • Cleaning up garbage
        • Enhance water quality
        • Green regional energy supply
  • 17.
      • Moving towards optimum capacity of turbines
    Source: DEWI, Status der Windenergienutzung in Deutschland, p. 6
  • 18.
      • Discussion with Nico Köllner, E.ON
    3
      • Interview with our expert
    Session # 6 – November 18, 2010
  • 19.
      • Development of Turbine Sizes
      • Potential for further savings
      • Repowering with huge potential?
      • Offshore as the future frontier?
      • Small decentralized solutions
      • The big topics in Wind Power
    Session # 6 – November 18, 2010
  • 20.
      • Think about a Renewables portfolio for your country
      • Which technologies would you recommend?
      • Which policy instruments would you use?
      • ...and for next week, please:
    Session # 6 – November 18, 2010
  • 21.
      • Your visiting scholar next week:
      • Alexander Saier United Nations Framework Convention on Climate Change, Cancun (invited, tbc)
    Session # 6 – November 18, 2010