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Published byJoshua Daniels Modified over 9 years ago
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Conservation & Efficiency in Commercial Buildings Is LEED the answer?
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Commercial Buildings Energy Used in the Commercial Sector 18.02% of consumption (2011) New Construction Approximately $ 165 billion 75% of building stock will be replaced in the next 20 years
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Leadership in Energy & Environmental Design (LEED) United States Green Building Committee (USGBC) Nonprofit “Ecolabel” Point based system 5 Categories Sustainable Sites Water Efficiency Energy and Atmosphere Material and Resources Indoor Environmental Quality
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LEED basics Prerequisites Required before credits Credits Compliance Points Certification (100 pt. scale) Certified: 40-49 points Silver: 50-59 points Gold: 60-79 points Platinum: 80+ points Registration Submittals Design phase Construction phase Review (after construction) 13,500 certified LEED buildings as of June 2013 Report operations data
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Class Simulation 2 Members of LEED 1 Financier 3 Teams Requirements for Teams LEED Gold Budget Costs
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Economics Criticism Initial Cost 2% more (NRDC) Fees Registration fee Per square foot fee $35,000 on average Praise Life Cycle Cost Lowered Overhead More employees and Expand operations Investment in Emerging Technology
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Environmental Effect Praise 14% generated renewable energy 12% took major steps to reduce water use e.g. treat sewage on site Increased use of low-flush toilets, low-emitting paints, and materials from sustainably harvested wood Criticism Easiest and cheapest points used No proven environmental benefit Certified prior to occupancy
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Port of Portland Headquarters Ratings Forbes rates top 10 high tech buildings LEED Platinum http://www.portofportland.com/prj_POP_HQP2_Home.aspx http://www.portofportland.com/prj_POP_HQP2_Home.aspx
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Regulatory Structure Control and Command Detailed, legal requirements on sources of pollution Environmental standards, permit allowances, penalties Incentives Based Compliance is optional Tax breaks, grants, expedited permitting, etc. Free Market Purely voluntary compliance No government regulation Hybrid Independent organizations develop standards
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Regulatory Reality Mandatory Regulation “442 localities... 35 state governments... [and] 14 federal agencies or departments” have implemented LEED - USGBC More than 200 jurisdictions require for new public buildings Some jurisdictions require for private commercial buildings Incentives 200 jurisdictions (in conjunction with or in place of LEED) Tax deduction up to $1.80 per square foot Tax credit 26 U.S.C. § 48 30% of costs for investing in solar energy 10% of costs for certain geothermal equipment and heat pumps 170 cities give tax breaks, grants, expedited permits, or waivers
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The Road Ahead Positives Flexibility in standards and process Innovation in Design Regional Priorities Online Submittals Growing alternatives: Energy Star, Green Globes, GGHC Government as consumer Negatives Government regulation mandating use of LEED Predicted energy use not equaling actual energy use Recommended Changes for LEED More actual energy use data More aggressive benchmarks The Hybrid Approach
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