This is a presentation of he biggest group project of the Master sustainable Energy technology (SET) at the Eindhocen University of Technology.

1. Project presentation Dubbelbeek ‘Electric cars’ Group: 6 Timo van Beek Bram van Dam Jeroen van Hellenberg Hubar (Project Manager) Jeroen Janssen Mark Overdijk Jorik van de Waerdt

2. Contents Introduction of the DubbelbeekProject Recap interim presentation Demands Trias Energetica Electric cars Concept Financial feasibility Conclusion Discussion PAGE 1 26-3-2011

3. Introduction of the Dubbelbeek project Accommodation for employees police / hospital with public restaurant and conference centre Situated in Apeldoorn Five floors 53 x 51 x 14m. 212 ‘Inhabitants’ PAGE 2 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

4. Introduction of the Dubbelbeekproject Research question: Project boundaries: Social payback time of 15 years Building has to be zero energy on annual basis The building does not have to operate autonomously The existing building concept has to be used The electricity used for the cars is not part of the zero energy balance PAGE 3 26-3-2011 “How to make the building Dubbelbeek annually energy neutral with integration of the possibility to charge 100 electric cars?” Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

5. Recap on intermediate presentation Intermediate presentation 11-03-2010 Finished Literature study Demands Design Need to be done Technical and financial feasibility Optimization Report PAGE 4 26-3-2011 Introduction – Recapintermediatepresentation– Demands – Trias Energetica – Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

6. Demands Heating demand PAGE 5 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

7. Demands Cooling demand PAGE 6 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

9. Electrical appliances Total annual demand 522 MWh/year Peak electricity demand 130 kW PAGE 7 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

11. 40 % simultaneousness

12. 10 minute showers

13. 4 L/min hot water (50 °C) + 2 L/min cold water (13 °C)

14. Restaurant kitchen

15. Fitness roomDaily hot water consumption: 15.470 Liters Peak hot water consumption: 12,4 L/s PAGE 8 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

17. Solar gain factor

18. Shadow factor

19. Heat recovery

20. Ventilation air

21. Shower heat recovery

22. Using LED’sTrias Energetica PAGE 9 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica– Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

23. Trias Energetica 2. Renewable Energy Wind energy Small scale (to low yield vs. cost, required area, wind speed) Large scale (to low wind speed on the site) Solar energy Photovoltaic (applied at the parking lot) PV-twins (applied on the roof) Hydropower (not viable option near the location) Geothermal (ground is possible for geothermal) PAGE 10 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica– Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

24. Trias Energetica 3. Active systems Heat pump with Aquifer Thermal energy storage (ATES) Combined heat and Power (CHP) With wood pellets PAGE 11 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica– Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

25. PAGE 12 26-3-2011 PV Thermal ‘Green energy’ charging cars - Reduce energy demand Extra solar CHP Bio Grid Heat pump Aquifer Trias Energetica Introduction – Recap interim presentation – Demands – Trias Energetica– Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

26. Electric cars Car type Nissan LEAF Range: 160 km Power: 80 kW Charging 20 electric cars charged within 1h Total current 450 A Checked with Kabel++ and NEN-1010:2009 PAGE 13 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars– Concept – Financial feasibiliy – Conclusion - Discussion

29. < 65oC PV-twins

30. Extra Combined Heat and PowerATES system designed at cooling load. The extra heat is in the philosophy of integration sold at the nearby swimmingpool (aprox. 150m) Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept– Financial feasibiliy – Conclusion - Discussion

31. Concept PAGE 15 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

32. Concept Electric concept Situation 2 better: 6% less losses 2 simulations in Vision made: No PV gains January max PV gains June PAGE 16 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept– Financial feasibiliy – Conclusion - Discussion

33. Financial Feasibility Subsidies (SDE, MIA, EIA, etc.) Payback time – Within 15 years PAGE 17 26-3-2011 11,9 years Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept – Financial feasibiliy– Conclusion - Discussion

35. 89 % without woodpellet CHP

36. 93 % withwoodpellet CHP

37. 100% withimported ‘green electricity’

38. Social payback period of 15 years is feasible

39. Passivesolutionslead to a significant demandreduction of 51 %

40. Balancing the ATES system: Look to district level

41. Implementing electric charging points requires smart design:

42. Extra transformer, placement of the PV-panelsPAGE 18 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

44. Hardly any accurate information of the building available

45. Integrated design is somewhat simplified to calculate the annual energy balance

46. Technical and economical feasibility of the construction with the aqua centre has to be investigated in more detail

47. Financial analysis based on well-substantiated estimations:

48. Lack of information (no offers from companies)

49. Influence of several subsidies hard to identify

50. Focus on applied systemsPAGE 19 26-3-2011 Introduction – Recap interim presentation – Demands – Trias Energetica – Electric cars – Concept – Financial feasibiliy – Conclusion - Discussion

51. Questions? PAGE 20 26-3-2011