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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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Daad Probefolien

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

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