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The Role of Energy in Future Building Design

The Role of Energy in Future Building Design. Douglas Spratt May 31, 2001. Winds of Change. Energy Pricing Deregulation Sustainability Technology. Energy Pricing. Unit Price. Consumption. Consumer Demand. Unit Price. Long Term Demand. D. Consumption. High Switching Costs. Unit

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The Role of Energy in Future Building Design

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  1. The Role of Energyin Future Building Design Douglas Spratt May 31, 2001

  2. Winds of Change • Energy Pricing • Deregulation • Sustainability • Technology

  3. Energy Pricing Unit Price Consumption

  4. Consumer Demand Unit Price Long Term Demand D Consumption

  5. High Switching Costs Unit Price Short Term Demand Long Term Demand D Consumption

  6. Perfect Market Balance Unit Price S Industrial Supply D Production

  7. Environmental Impacts Unit Price S1 S2 P2 Inclusion of Externalities P1 D Consumption/Production

  8. Increasing Demand & Limited Supply Unit Price S P2 P1 D1 D2 Consumption/Production

  9. Increases in Demand • Hot American economy • General population growth • Electric-intensive new economy

  10. Inadequate Supply • Low rainfall • Hesitant power plant investment • Increasing environmental regulations • Lagging transmission development

  11. LEED Criteria Materials (20%) Site (22%) Water (8%) Indoor Environment (23%) Energy (27%)

  12. Supply Supply Demand Energy Flow Transmission

  13. Supply & Transmission • On-site & district energy options • Combined heat & power • Wind • Biomass • Small scale hydro • Photovoltaics

  14. Demand-Side Technologies • Equipment • Load Reduction • Controls • Design Process

  15. Equipment • Ground source heat systems • Condensing boilers • Lighting

  16. Load Reduction • Alternate systems • High performance envelopes • Natural ventilation • Day lighting

  17. Natural Ventilation • Advantages - Low 1st Cost - Low Energy - Low Maintenance - Natural - Greater occupant acceptance

  18. Displacement Ventilation

  19. Day lighting

  20. Design Process

  21. Traditional Design

  22. Conceptual Infusion

  23. Air Flow Simulations Initial Run Final Run

  24. Air Temperature Modelling Initial Run Final Run

  25. Government Intervention • Incentives: • Federal CBIP • Provincial Green Buildings (Retrofit Program) • BC Hydro Power Smart • GVRD Better Building Partnership

  26. Regulations: • Model National Energy Code for Buildings • Green Buildings BC • LEED • GVRD Emissions

  27. The Future • Real time energy purchasing • Load management • Multiple fuel switching • Distributive generation • Green power • Energy services • Stabilized energy supply & pricing

  28. The Future • Continued commitment to Indoor Environmental Quality • Increased emphasis on energy efficiency

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