CaGBC s Zero Carbon Building Standard

Transcription

1 CaGBC s Zero Carbon Building Standard

2 Keep global average temperature increase well below 2 C above post-industrial levels and to pursue efforts to limit the temperature increase to 1.5 C

3 Canadian Context Vancouver Declaration on Clean Growth and Climate Change (March 2016) Buildings figure in the Pan-Canadian Framework for Clean Growth and Climate Change

4 Eliminating Emissions from Buildings

5 The Opportunities of the Low Carbon Economy

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8 WGBC Objectives All new construction net zero by % of buildings net zero by 2050

9 ,169 LEED Project Registrations and Certifications (thousand m²) (as of December 31, 2016) ,927 Total: 102,326,802m ,747 4,688 0 LEED BD+C LEED O+M LEED ND LEED ID+C LEED Homes 791

10 In 2016, LEED Certified Projects Saved over 540,000 tonnes of CO2e emissions, equivalent to taking over 115,000 cars off the road.

11 LEED v4 Higher credit weighting on GHG reductions Whole building LCA Material EPDs Community scale renewable energy Demand response Carbon offsets

12 To Eliminate Emissions We need to agree on how we are going to measure progress We need a program to holistically evaluate emissions and recognize leadership

13 Carbon Footprint Energy efficiency Energy sources Local electrical grids Fuel choices Onsite renewable energy Time of use Materials

14 Carbon Focus Accurate assessment of impacts Guide investment, design and operations decisions Efficiency remains key

15 Zero Carbon Building Standard cagbc.org/zerocarbon

16 Scope Commercial, institutional and multi-family buildings New construction and existing buildings 16

17 Key Objectives Focus on carbon emissions Broad applicability Flexible Simple Target only prescriptive measures critical to the evolution of the industry 17

18 Process Consultation with over 50 people Working Group Renewable Energy Working Group Technical Advisory Group LEED Canada Steering Committee Others Released Framework in November 2016

19 Programs Investigated U.S. DOE s Common Definition for Zero Energy Buildings ASHRAE s Vision 2020 and Net Zero Energy Buildings The European Union s Energy Performance of Buildings Directive ILFI s Net Zero Energy Building Certification (NZEB) UK DECC s Zero Carbon Buildings Program Architecture 2030 Challenge Zero Energy Performance Index (zepi) Passivhaus Building Performance Standard MINERGIE Sustainable Building Standard

20 Defining ZCB A zero carbon building is defined as one that is highly energy-efficient and produces onsite, or procures, carbon-free renewable energy in an amount sufficient to offset the annual carbon emissions associated with operations.

21 Structure Requirements for new construction ZCB-Design Requirements for existing buildings ZCB-Performance

22 What does a Zero Carbon Building Look Like?

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24 1. ZERO CARBON BALANCE No net greenhouse gas (GHG) emissions are associated with building operations. GHG emissions are offset by generating clean, renewable energy onsite or offsite.

25 Using Portfolio Manager Supports consistency across the building industry Facilitates the calculation of the balance

26 Onsite Renewable Energy Onsite renewable energy reduces total building emissions by reducing total electricity purchased from the grid Exported renewable energy contributes to avoided emissions where RECs are retained

27 Offsite Renewable Energy Bundled Green Power Products Generated in/close to the calendar year in which they are sold EcoLogo certified or meet a set of criteria Facilities located in Canada and the local provincial power pool Renewable Energy Certificates Generated in/close to the calendar year in which they are sold EcoLogo certified Facilities located in Canada

28 Onsite Combustion Requires a Zero Carbon Transition Plan Why combustion is necessary & how building loads have been reduced How building systems may be adapted over time A financial comparison with a noncombustion based alternative

29 2. EFFICIENCY New construction projects consider peak energy while maximizing energy efficiency, with a focus on the building envelope and ventilation strategies that drive down thermal energy demand.

30 TEDI Targets for New Construction Climate Zone TEDI target (kwh/m 2 /yr)

31 Energy Efficiency Thermal Energy Demand Intensity Energy Use Intensity Peak Demand

32 3. RENEWABLE ENERGY Onsite renewable energy is incorporated into new construction projects to provide added resiliency, minimize offsite environmental impacts, and prepare buildings for a distributed energy future.

33 Onsite Renewable Energy Minimum 5% onsite requirement Solar PV or thermal Wind Biomass

34 4. LOW-CARBON MATERIALS An assessment of the carbon associated with structural and envelope materials from manufacturing to end of life informs design decisions.

35 Low-Carbon Materials Inform decisions about materials Increase industry capacity Normalize practice of LCA Improve tools and datasets

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37 In Summary Puts carbon emissions as the primary focus Encourages broad participation across the country Aligns with existing programs

38 Next Steps Development of tools, guidance, and training Ongoing collaboration with 16 pilots projects

39 Registration Opens in September cagbc.org/zerocarbon

40 Requirements ZCB-Design ZCB-Performance Demonstrate Zero Carbon Balance Provide Zero Carbon Transition Plan Achieve Thermal Energy Demand Intensity Target Report Energy Use Intensity Every 5 years No requirement Report Peak Energy Demand Install Minimum 5% Onsite Renewable Energy Report Embodied Carbon No requirement

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