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PLEA conference 2008, Dublin

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presentation of accepted paper 'Urban Tissue, representation of Urban Energy Potential'

1  sur  18
Urban Tissue – visualising urban energy demand and supply potential Drs. Wouter Leduc MSc Urban Environment Group, Wageningen University, The Netherlands SREX Project – Synergy between spatial planning and exergy URBAN ENERGY
Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Theory: eXergy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Theory: Energy cascading 1. power plant 2. industry 3. greenhouses 4. offices 5. residential areas heat exchange waste exchange electricity exchange Dobbelsteen et al., 2006
Theory: Trias Energetica Ecofys, 2006
Research approach ,[object Object],Flows in Flows out Flows through Recycling
Research approach: Urban energy potential
Research: urban tissue ,[object Object],[object Object],[object Object],Dutch average urban tissue - 1 ha
[object Object],[object Object],[object Object]
Potential
Results: unused urban energy sources ,[object Object],[object Object],[object Object],[object Object],[object Object],URBAN ENERGY
Results: unused urban energy sources Waste and biomass 1 kg = 5.3 MJ 1 kg = 10.2 MJ 1 kg = 3.4 MJ 1 kg = 0.6 kWh Conversion 7,440 MJ 730 Wood residues 3,640 MJ 1,070 Green household waste 2,800 MJ 2,330 kWh Total yield/Uha 530 3,890 kg/Uha Park maintenance Household waste
Case study: Urban Parkstad URBAN ENERGY
Case study: Urban Parkstad ,[object Object],[object Object],[object Object],[object Object],URBAN ENERGY 1,500 900 Roads 520 900 Park, other green area 1,400 1,100 Business area 130 230 Retail, hotel, catering 300 350 Social/cult. area 4,400 4,900 Residential area m²/ha m²/ha Dutch Parkstad Urban functions
Case study: Urban Parkstad Waste, biomass ,[object Object],[object Object],[object Object],10,330 7,440 Wood residues MJ 5,520 3,640 Green household waste MJ 4,050 3,350 Parkstad yield 2,800 2,330 Dutch yield Park maintenance MJ Household Waste kWh
Conclusions ,[object Object],[object Object],[object Object],URBAN ENERGY
Further research ,[object Object],[object Object],[object Object],[object Object]
Questions? www.exergieplanning.nl © Wageningen UR URBAN ENERGY

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PLEA conference 2008, Dublin

  • 1. Urban Tissue – visualising urban energy demand and supply potential Drs. Wouter Leduc MSc Urban Environment Group, Wageningen University, The Netherlands SREX Project – Synergy between spatial planning and exergy URBAN ENERGY
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  • 4. Theory: Energy cascading 1. power plant 2. industry 3. greenhouses 4. offices 5. residential areas heat exchange waste exchange electricity exchange Dobbelsteen et al., 2006
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  • 7. Research approach: Urban energy potential
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  • 12. Results: unused urban energy sources Waste and biomass 1 kg = 5.3 MJ 1 kg = 10.2 MJ 1 kg = 3.4 MJ 1 kg = 0.6 kWh Conversion 7,440 MJ 730 Wood residues 3,640 MJ 1,070 Green household waste 2,800 MJ 2,330 kWh Total yield/Uha 530 3,890 kg/Uha Park maintenance Household waste
  • 13. Case study: Urban Parkstad URBAN ENERGY
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  • 18. Questions? www.exergieplanning.nl © Wageningen UR URBAN ENERGY

Notes de l'éditeur

  1. Exergy-wise: low vs high quality energy; energy-demand also in terms of low vs high