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Webinar renewable energy session 3

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Topic: Solar PV (Photovoltaics)

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Webinar renewable energy session 3

  1. 1. 1© 2010 Macademia Session # 3 – October 28, 2010 TODAY’S TOPIC: Solar PV (Photovoltaics) Concept and Contents Copyright Macademia 2010; Copyright on pictures as indicated; no unauthorized use or publication Picture Copyright to Thermovolt France S.A.S., no further use allowed without permission
  2. 2. 2© 2010 Macademia What we will cover (in a nutshell) • How PV developed • The big issues in Photovoltaics • Our expert’s view on the technology • Your own experience with PV Picture Copyright to Thermovolt France S.A.S., no further use allowed without permission Session # 3 – October 28, 2010
  3. 3. 3© 2010 Macademia Your visiting scholar today: Georg Reinartz M.A., Thermovolt, France Picture Copyright to Thermovolt France S.A.S., no further use allowed without permission Session # 3 – October 28, 2010
  4. 4. 4© 2010 Macademia • History • How the industry has developed • Where are we now? 11 The background to PV Our Schedule for Today Session # 3 – October 28, 2010
  5. 5. 5© 2010 Macademia • Silicon-based or Thin-Film • Cost development • Political Support / Solar Gold Rush • Environmental aspects 212 The big topics in PV Our Schedule for Today Session # 3 – October 28, 2010
  6. 6. 6© 2010 Macademia • Discussion with Georg Reinartz, Thermovolt 3 Ask the expert 4 What you should focus on Our Schedule for Today Session # 3 – October 28, 2010
  7. 7. 7© 2010 Macademia Why Solar PV next? The European view Source: German Ministry of the Environment, Erneuerbare Energien in Zahlen, June 2010 0 1 2 3 4 5 6 7 8 1990 1995 2000 2005 2008 ElectricityGeneration EuropeanUnion(TWh)
  8. 8. 8© 2010 Macademia The background to Wind Power • History - The relation between sunlight and electricity - Bell Laboratories in the 1960s - Origin in remote locations (extraterrestrial, off- grid) - The step towards on-grid solutions 11 The background to Solar PV Session # 3 – October 28, 2010
  9. 9. 9© 2010 Macademia Important steps in Solar PV technology Becquerel Transistors Diodes Bell Labs Silicon Cell Timeline1839 193819481955 Session # 3 – October 28, 2010
  10. 10. 10© 2010 Macademia Type of application depending on peak-capacity Capacity Applications suitable < 10 Watt < 100 Watt < 1 KW > 100 KW Calculators, Battery Chargers, Electrical Fences Pumping systems (irrigation); desalination Large Grid-connected systems Traffic lights, parking meters Session # 3 – October 28, 2010
  11. 11. 11© 2010 Macademia Basic Facts on Solar PV Topic Facts Type of Cell Efficiency Location Life span Silicon-based and Thin-Film Rooftop/ Building-integrated or Greenfield 25-30 yrs.; certain components less Varying between 6 % - 35 % Session # 3 – October 28, 2010
  12. 12. 12© 2010 Macademia • How the industry developed - Niche applications in the early days - Important incentive programmes over several decades - The step to the retail markets 11 The background to Solar PV Session # 3 – October 28, 2010
  13. 13. 13© 2010 Macademia • How the industry developed - Installed capacities depending on national funding scheme - Problematic relation between electricity harvested per KW installed and installed capacity (e.g. Germany vs. Spain) 11 The background to Solar PV Session # 3 – October 28, 2010
  14. 14. 14© 2010 Macademia • Where are we now? • Very diverse picture across the world • Boom in Spain until 2008 – when funding was reduced • Largest capacity installed in Germany (9.7 GWp – 2009) • Large potential for countries with high direct insulation 11 The background to Solar PV Session # 3 – October 28, 2010
  15. 15. 15© 2010 Macademia Example for a large-scale Solar PV installation Merida, Spain Thermovolt 31 MW installation Completed 2008 Picture Copyright to Thermovolt France S.A.S., no further use allowed without permission
  16. 16. 16© 2010 Macademia Typical Components of a Solar PV system Project Components Engineering / Development Costs Inverter System Cabling & Installation PV Modules 1 2 3 4 Session # 3 – October 28, 2010
  17. 17. 17© 2010 Macademia • Participant experience with Solar PV – What have been positive or negative experiences with PV? – How is the public perception of Photovoltaics in your country/region? – Are there current projects under development? 11 The background to Solar PV Session # 3 – October 28, 2010
  18. 18. 18© 2010 Macademia • Silicon-based or Thin-Film - Required Space - Cost of Components - Waste - Competition between the industries 212 The big topics in Solar PV Session # 3 – October 28, 2010
  19. 19. 19© 2010 Macademia • Pushing the costs downwards - Downward trend continues: 1995 to 2010 - The influence of raw material costs (e.g. silicon) 212 The big topics in Solar PV Session # 3 – October 28, 2010
  20. 20. 20© 2010 Macademia • How solar irradiation level influences competitiveness - Northern Germany vs. Southern California - 900 KWh per sqm/year vs. 1900 KWh per sqm/year - Other factors: operating temperature, reflectivity, share of diffuse light 2 The big topics in Solar PV Session # 3 – October 28, 2010
  21. 21. 21© 2010 Macademia Location and irradiation level crucial to economics Picture Copyright to Thermovolt France S.A.S., no further use allowed without permission
  22. 22. 22© 2010 Macademia • Cost competitiveness - Best ratio if high solar irradiation combined with daily peak power demand - In addition to cell efficiency and material costs: BOS - Inverters and Batteries with potential for improvement 2 The big topics in Solar PV Session # 3 – October 28, 2010
  23. 23. 23© 2010 Macademia • Environmental aspects - Energy payback time - The manufacturing process - Land use 2 The big topics in Solar PV Session # 3 – October 28, 2010
  24. 24. 24© 2010 Macademia The particular chance of building-integrated PV Picture Copyright to Thermovolt France S.A.S., no further use allowed without permission
  25. 25. 25© 2010 Macademia • Future alliances - Construction companies and PV producers - Producers of Cladding materials / PV industry - System synergies between utilities sector, communication sector (smart grids), car companies (e-mobility), et cetera 2 The big topics in Solar PV Session # 3 – October 28, 2010
  26. 26. 26© 2010 Macademia • Discussion with Georg Reinartz, Thermovolt 3213 Ask the expert Session # 3 – October 28, 2010
  27. 27. 27© 2010 Macademia 4 • Main Developments in Funding Schemes • Companies positioning thin-film v. silicon- based • Desertec-Initiative 214 What you should focus on Session # 3 – October 28, 2010
  28. 28. 28© 2010 Macademia 4214 Results in a nutshell • The advantages – Decentralized solution – No operative emissions / noiseless – Especially interesting when compared with retail electricity prices instead of stock market electricity price Session # 3 – October 28, 2010
  29. 29. 29© 2010 Macademia 4214 Results in a nutshell • The disadvantages - Cost: in most cases very expensive - Long energy payback time - Volatile on raw material prices (silicon) - Especially Thin-Film technologies with recycling issue Session # 3 – October 28, 2010
  30. 30. 30© 2010 Macademia • Discuss Solar PV and its perspectives in the Forum • Sketch the potential of Solar PV in your country/region • Have a look at Renewables Funding Schemes in your country – is there a controversy? ...and for next week, please: Session # 3 – October 28, 2010

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