Owning zero usgbc co rmg 2012

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Presentation for USGBC Colorado Rocky Mountain Green on the owner's perspective on net zero energy. Co-presented with Shant

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  • 1 February 2011 NREL Case Study by RNL
  • Owning zero usgbc co rmg 2012

    1. 1. Shanti Pless, LEED APNREL, Commercial Buildings Research GroupTom Hootman, AIA, LEED APRNL, Director of Sustainability
    2. 2. 1 1 1 1 2 1 1 16 1 1 1 1 New Buildings Institute Getting to Zero 2012 Status Update: A First Look at the Costs and Features of 2 Zero Energy Commercial Buildings (March 2012)
    3. 3. 1 1 1 1 2 1 1 16 1 1 1 1 New Buildings Institute Getting to Zero 2012 Status Update: A First Look at the Costs and Features of 2 Zero Energy Commercial Buildings (March 2012)
    4. 4. 1 1 1 1 2 1 1 16 1 1 1 1 New Buildings Institute Getting to Zero 2012 Status Update: A First Look at the Costs and Features of 2 Zero Energy Commercial Buildings (March 2012)
    5. 5. California PUC 2030 Massachusetts 2030 Federal / EISA 2030 ASHRAE Vision 2020 2030 ChallengeLiving Building Challenge
    6. 6. 13 11 19 5 1K-5K 5K-10K 10K-25K 25K-50K 8 50K-100K 4 >100KNew Buildings InstituteGetting to Zero 2012 Status Update: AFirst Look at the Costs and Features ofZero Energy Commercial Buildings(March 2012)
    7. 7. RSF Cost: $259/SF Average Cost: $334/SFCost per Square Foot Other Certified Silver Gold Platinum Source: DBIA Project Database
    8. 8. Images courtesy of Architectural Nexus
    9. 9. Image ImageImage courtesy of GSA, Beck Group and Westlake Reed Leskosky
    10. 10. New Buildings InstituteEnergy Performance of LEED for New Construction Buildings(March 2008)
    11. 11. Goal SettingContractual Performance Design for Operations Manage Plug Loads The Handoff Feedback Loop
    12. 12. I want a green buildingDesign a LEED <rating> buildingDesign a building to use 30% lessenergy than ASHRAE 90.1-2004Design a building to use less than25,000 BTU/sqftDesign a net zero energy building
    13. 13. 1. Mission CriticalSafetyLEED PlatinumEnergy Star
    14. 14. 2. Highly Desirable800 staff Capacity Flexible workspace25kBTU/sf/year Support future technologiesArchitectural integrity “How to” manualHonor future staff needs Real-time PR” campaignMeasurable ASHRAE 90.1 Secure collaboration with outsidersSupport culture and amenities Building information modelingExpandable building Substantial Completion by 2010Ergonomics
    15. 15. 3. If PossibleNet zero design approachMost energy efficient building in the worldLEED Platinum PlusASHRAE 90.1 + 50%Visual displays of current energy efficiencySupport public toursNational and global recognition and awardsSupport personnel turnover
    16. 16. Predictive Modeling (Absolute energy target) VERSUSCompliance Modeling(Percent better than ASHRAE 90.1)
    17. 17. COMPETITION DESIGN CONSTRUCTION OPERATIONSCHARRETTE MODEL AS-DESIGNED MODEL LEED MODEL + BASELINE AS-BUILT MODEL OPERATIONS MODEL
    18. 18. Energy Use Intensity: 2030 Baseline LEED Baseline Design/Actual 137 kBtu/SF/year 55 kBtu/SF/year 35 kBtu/SF/yearNet Zero Energy Building (After PV): Site ZEB Source ZEB Emissions ZEB 0 kBtu/SF/year -20 kBtu/SF/year -5 LB CO2e/SF/year B Classification B Classification B Classification
    19. 19. Operators Occupants Executives IT ManagersFood Service HR Managers
    20. 20. First day of Net zero – June 23, 2011
    21. 21. Measured Versus Modeled Monthly and Cumulative EUI Innovation for Our Energy Future
    22. 22. October 2010 – September 2011 Lighting Power Density Innovation for Our Energy Future
    23. 23. October 2010 – September 2011 Plug Load PowerDensity Note: The elevators are included in the plug loads Innovation for Our Energy Future
    24. 24. October 2010 – September 2011 Daily Heating Energy Innovation for Our Energy Future
    25. 25. 2011 YTD Daily Cooling Energy Innovation for Our Energy Future
    26. 26. October 2010 – September 2011 Mechanical SystemPower Density Note: Control of the VFDs was optimized in late October 2010, resulting in energy savings Note: Control of the dampers was optimized in April 2011, resulting in energy savings Note: The mechanical load is comprised of only fans and pumps Innovation for Our Energy Future
    27. 27. Coordinate with Commissioning Coordinate with O&M PlanPlan Energy Information SystemAnalyze and Report Energy Data
    28. 28. Manage Plug and Process Loads Educate and Train Occupants Plan for Future Changes Celebrate Success!
    29. 29. SAVE A SEAT FOR YOURDESIGN-BUILD TEAM?

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