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Financing Concentrating Solar Power - Subsidy or Investment? Franz Trieb Stuttgart, 15.06.2010

Explore the challenges in financing Concentrated Solar Power (CSP) projects for long-term sustainability and profitability. Learn about subsidy versus investment dynamics, cost structures, required tariffs, and models for CSP implementation.

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Financing Concentrating Solar Power - Subsidy or Investment? Franz Trieb Stuttgart, 15.06.2010

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  1. Financing Concentrating Solar Power -Subsidy or Investment? Franz TriebStuttgart, 15.06.2010

  2. A Strategy for CSP Finance

  3. Fuel Challenge 1: Investment replaces fuel consumption DLR 2009

  4. Challenge 2: Known immediate cost but unknown future savings www.oilnergy.com

  5. Challenge 3: Fix Cost but Non-Fix Revenue German power market during the first week-end of October 2009

  6. Challenge 4: Initial Cost Levels above Market Price Ragwitz 2009

  7. Investment Challenges • Long-term investment (20-40 years) not only for the power plants but also for their „fuels“. • Unknown future savings compared to volatile and unpredictable conventional fuel prices. • Known long-term cost but unknown long-term revenues if electricity output is fluctuating and sold at spot markets. • Additional cost of early plants cannot be recovered under conventional market conditions and less if competitors are subsidized. •  Pioneers are punished by market forces because markets are adapted to conventional power schemes.

  8. Model Case Power Park:

  9. Model Case Cost Structure

  10. 950000 772500 595000 417500 240000 95000 39000 1000 8246 CSP Required Tariff Model

  11. Break Even with Average Cost B

  12. B1 B2 B B3 Break Even with different load segments

  13. Case 1: 100% Substitution in peak and medium load segment by CSP

  14. Case 1: 100% Substitution in peak and medium load segment by CSP a b c

  15. Calculation of Annual Solar Share in the Initial Phase

  16. 1st Step: The Load Curve is devided into Peak, Medium and Base Load

  17. In higher time resolution it looks like this for a summer week

  18. Peak Load Solar

  19. 2nd Step: The peak segment is separated and then, the lower part is covered by CSP (solar or hybrid), while the upper part (residual capacity) is covered by conventional peaking plants

  20. In higher time resolution it looks like this for a summer week

  21. 3rd Step: Medium Load is separated and the lower part covered by CSP

  22. In higher time resolution it looks like this for a summer week

  23. 4th Step: Base Load is separated and the lower part covered by CSP

  24. In higher time resolution it looks like this for a summer week

  25. Calculation of Annual Solar Share Summary

  26. Case 2: Partial Substitution of Fuel by CSP a c b

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