1. 100% energy supply by renewable energy sources: A German case study Andreas Gursch Director Environmental Science & Technology European Chamber of Commerce Taipei

4. High dependence on imports

5. Energy mix in Germany

6. Legislation as initiator

7. BMU – KI III 1 Version: 15.12.2008 Renewable energy sources in Germany 2007 7

8. Renewable energy act (EEG)  Federal law (further development of the Power Feed-In Law of 1991)  Priority for feed-in of RE  Extensive regulation for grid access  legally regulated payment rates –Long-term perspective and investment security (15–30 years) –Incentive for the opening up of new potentials and technologies (esp. biomass and geothermal energy) –Strong incentive for efficiency boost, by degression of payment rates Cost for consumer

9. Power generation decentralized

10. Situation in Germany

11. 100% renewable energy ?

12. The energy generation mix

13. The 100% renewables scenario (wind)

14. The 100% renewables scenario (biomass)

15. The 100% renewables scenario (hydro) Locations for hydro pumping stations

16. The 100% renewables scenario (PV)

17. Summary

18. The virtual power plant since 2007

19. Renewable mix in simulation

20. Graphical user interface

21. Simulation results

24. Conclusion/outlook

25. Thank you for your attention Virtual power plant project by: ISET (Institut für Solare Energieversorgungstechnik) www.iset.uni-kassel.de