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Owning zero usgbc co rmg 2012
 

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

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 Owning zero usgbc co rmg 2012 Presentation Transcript

  • Shanti Pless, LEED APNREL, Commercial Buildings Research GroupTom Hootman, AIA, LEED APRNL, Director of Sustainability
  • 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)
  • 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)
  • 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)
  • California PUC 2030 Massachusetts 2030 Federal / EISA 2030 ASHRAE Vision 2020 2030 ChallengeLiving Building Challenge
  • 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)
  • RSF Cost: $259/SF Average Cost: $334/SFCost per Square Foot Other Certified Silver Gold Platinum Source: DBIA Project Database
  • Images courtesy of Architectural Nexus
  • Image ImageImage courtesy of GSA, Beck Group and Westlake Reed Leskosky
  • New Buildings InstituteEnergy Performance of LEED for New Construction Buildings(March 2008)
  • Goal SettingContractual Performance Design for Operations Manage Plug Loads The Handoff Feedback Loop
  • 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
  • 1. Mission CriticalSafetyLEED PlatinumEnergy Star
  • 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
  • 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
  • Predictive Modeling (Absolute energy target) VERSUSCompliance Modeling(Percent better than ASHRAE 90.1)
  • COMPETITION DESIGN CONSTRUCTION OPERATIONSCHARRETTE MODEL AS-DESIGNED MODEL LEED MODEL + BASELINE AS-BUILT MODEL OPERATIONS MODEL
  • 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
  • Operators Occupants Executives IT ManagersFood Service HR Managers
  • First day of Net zero – June 23, 2011
  • Measured Versus Modeled Monthly and Cumulative EUI Innovation for Our Energy Future
  • October 2010 – September 2011 Lighting Power Density Innovation for Our Energy Future
  • October 2010 – September 2011 Plug Load PowerDensity Note: The elevators are included in the plug loads Innovation for Our Energy Future
  • October 2010 – September 2011 Daily Heating Energy Innovation for Our Energy Future
  • 2011 YTD Daily Cooling Energy Innovation for Our Energy Future
  • 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
  • Coordinate with Commissioning Coordinate with O&M PlanPlan Energy Information SystemAnalyze and Report Energy Data
  • Manage Plug and Process Loads Educate and Train Occupants Plan for Future Changes Celebrate Success!
  • SAVE A SEAT FOR YOURDESIGN-BUILD TEAM?