Stanford GSB- Energy Analysis - 1January 2008Stanford Graduate School of BusinessStanford Graduate School of BusinessStanford Graduate School of BusinessStanford Graduate School of BusinessEnergy Analysis UpdateStanford GSB- Energy Analysis - 2January 20081. Reduce Loads• Envelope• Glazing• Shades2. Passive Strategies• Natural Ventilation• Passive Solar• Daylight3. Active Strategies• Underfloor• Displacement• Radiant Conditioning4. Recover Energy• Ventilation• Cooling• Domestic Water5. Self Generation• Solar Photovoltaic• Solar Hot Water6. Offsetting• Carbon CreditsOver All StrategiesStanford GSB- Energy Analysis - 3January 20081. Reduce Loads• Envelope• Glazing• Shades3. Active Strategies• Underfloor• Displacement• Radiant Conditioning4. Recover Energy• Ventilation• Cooling• Domestic Water5. Self Generation• Solar Photovoltaic• Solar Hot Water6. Offsetting• Carbon CreditsIn Energy Models2. Passive Strategies• Natural Ventilation• Passive Solar• DaylightIn Energy ModelsIn Energy ModelsIn Energy ModelsIn Energy ModelsStanford GSB- Energy Analysis - 4January 20081. Reduce Loads• Envelope• Glazing• Shades3. Active Strategies• Underfloor• Displacement• Radiant Conditioning4. Recover Energy• Ventilation• Cooling• Domestic Water5. Self Generation• Solar Photovoltaic• Solar Hot Water6. Offsetting• Carbon CreditsFurther Calculations2. Passive Strategies• Natural Ventilation• Passive Solar• DaylightFurther CalculationsFurther CalculationsStanford GSB- Energy Analysis - 5January 20081. Reduce Loads• Envelope• Glazing• Shades3. Active Strategies• Underfloor• Displacement• Radiant Conditioning4. Recover Energy• Ventilation• Heating / Cooling• Domestic Water5. Self Generation• Solar Photovoltaic• Solar Hot Water6. Offsetting• Carbon CreditsFurther Opportunities2. Passive Strategies• Natural Ventilation• Passive Solar• DaylightFurther OpportunitiesStanford GSB- Energy Analysis - 6January 2008GSB Building DescriptionStanford GSB- Energy Analysis - 7January 2008Step 1: Reduced LoadsStanford GSB- Energy Analysis - 8January 2008Step1: Improved Envelope$0$100,000$200,000$300,000$400,000$500,000$600,000$700,000$800,000$900,000$1,000,000Baseline System 7 Improved EnvelopeAnnual Energy Cost Step 1: Reduced LoadsStanford GSB- Energy Analysis - 9January 2008Step 2: Passive StrategiesStanford GSB- Energy Analysis - 10January 2008Step 2: Passive StrategiesStep2: Improved Lighting$400,000$500,000$600,000$700,000$800,000$900,000$1,000,000Baseline System 7 Improved Envelope Improved Envelope + LightingAnnual Energy Cost 15%Stanford GSB- Energy Analysis - 11January 2008Step 3: Active StrategiesStanford GSB- Energy Analysis - 12January 2008Step 4: Heat RecoveryHeat PipesHAVC with Heat PipesStanford GSB- Energy Analysis - 13January 2008Step3 & 4: Active and HR Strategies$300,000$400,000$500,000$600,000$700,000$800,000$900,000$1,000,000Baseline System 7 Improved Envelope Improved Envelope +LightingProposed (improvedEnvelope+Lighting+System)Annual Energy Cost 32%15%Stanford GSB- Energy Analysis - 14January 2008Step 5: Self-generationSolar Photovoltaic (LEED EAc2)Stanford GSB- Energy Analysis - 15January 2008Step 5: Self-generationSolar Hot WaterStanford GSB- Energy Analysis - 16January 2008$300,000$400,000$500,000$600,000$700,000$800,000$900,000$1,000,000Baseline System 7 Proposed (improvedEnvelope+Lighting+System)Proposed + Renewable EnergyContribution (7.5%)Proposed + Renewable EnergyContribution (12.5%)Annual Energy Cost 32%35%(EAc1 - 8 Point)38.5%(EAc1 - 9 point)Stanford GSB Energy Analysis