Getting to Zero Carbon
FACADES+ | Oct 11, 2019
“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”
Canada Green Building Council®
carbon neutral
Canada Green Building CouncilÂŽ
climate emergency
History of Carbon Targets in ON 2007 ON: 80% from 1990 by 2050
2014 ON: 37% from 1990 by 2030
2009 COP15: < 2°C
Canada Green Building Council®
2016 CAN: 30% from 2005 by 2030
2015 COP21: < 1.5°C
2019 CAN/TO: Carbon Neutral by 2050
2018: ON: 30% from 2005 by 2030
Getting To Zero Carbon
ALL NEW BUILDINGS DESIGNED TO ZERO CARBON BY 2030 EXISTING BUILDINGS ½ ENERGY USE & ZERO CARBON BY 2050
Canada Green Building Council®
We are building for 2050 today
Needs Replacement Needs Maintenance Operational
2050
2030 Roof Canada Green Building CouncilÂŽ
Elevators
Windows
Plumbing
Cooling
Heating
The Retrofit Challenge for Ontario ~3 Million Low-rise Homes ~18,000 LARGE Private Sector Buildings in Ontario ~20,000 Public Sector Buildings in Ontario A Profitable and Resource Efficient Future, World Economic Forum, Oct. 2011 Canada Green Building CouncilÂŽ
7
A Shift in Focus: From Energy To Carbon
The carbon-intensity of energy sources matters. Two identical, equally energy-efficient buildings in Quebec, one is emitting thirty-six times as much greenhouse gases as its twin.
Canada Green Building CouncilÂŽ Source: A Roadmap for Retrofits in Canada, CaGBC, 2017
The Future of Electricity in Canada
Grams of CO2-e per kWh Historic values: National Inventory Report 2016 Future values: National Energy Board Electricity Generation Source Canada Green Building CouncilÂŽ
Three Metrics of Low Carbon Building Policy
TEDI
GHGI EUI
Canada Green Building CouncilÂŽ
Toronto Green Standard Version 3 Building Type
Commercial Office Buildings
Total Energy Use Intensity (KWh/m²) Tier 1
Tier 2
175
130
Mixed Use Buildings (90% residential, 5% retail, 5% 170 commercial)
134
Tier 3
Tier 4
Commercial Office Buildings
100
65
Mixed Use Buildings (90% residential, 5% retail, 5% 100 commercial)
74
Greenhouse Gas Intensity (kg/ m²)
Tier 1
Tier 2
Tier 1
Tier 2
70
30
20
15
49
20
15
Tier 3
Tier 4
Tier 3
Tier 4
22
15
8
4
15
10
5
Total Energy Use Intensity (KWh/m²)
Thermal Energy Greenhouse Gas Intensity (kg/ Demand Intensity (KWh/m²) m²)
Tier 1
Tier 2
Tier 1
Multi-unit Residential Buildings (≥4 Storeys)
170
135
70
Multi-unit Residential Buildings (≤ 6 Storeys)
165
130
65
Commercial Office Buildings
175
130
70
Commercial Retail Buildings
170
120
60
Mixed Use Buildings (90% residential, 5% retail, 5% 170 commercial)
134
70
All Other Building Types
Canada Green Building Council®
Thermal Energy Demand Intensity (KWh/m²)
Building Type
Tier 2
50
Tier 1
20
70 40
30
40
20
20
20
29 49
Tier 1: ≥15 per cent improvement above SB-10, 2017 Tier 2: ≥25 per cent improvement above SB-10, 2017
20
Tier 2
15
15
15
10
15
TEDI RESILIENCY TEDI (kwh/m2)
72 Hour Power Off Winter Temp Low 2 Week Power Off Winter Temp (°C) Low (°C)
77
9.9
0.9
70
13.5
5.8
50
14.6
7.6
30
17.0
14.0
15
19.7
18.3
Canada Green Building Council®
Source: City of Toronto Zero Emissions Buildings Framework
Emphasis on Embodied Carbon 70 60 50 40 30 20 10 0
Year 1
Year 30
Year 50
Embodied
20
25
30
Operating
1
30
60
Embodied Canada Green Building CouncilÂŽ
Operating
Urgent Short Term Action Is Needed
Canada Green Building CouncilÂŽ
Canada’s Forecast for 2030
Canada Green Building Council®
Toronto’s Forecast for 2050
Canada Green Building Council®
Cora Group’s evolv1 office building (Waterloo)
Canada Green Building Council®
Mohawk Collegeâ&#x20AC;&#x2122;s Joyce Centre for Partnership & Innovation (Hamilton)
Canada Green Building CouncilÂŽ
Trading Up: Equipping Ontario Trades with the Skills of the Future | 18
100 Murray Street (Ottawa)
Canada Green Building CouncilÂŽ
Humber College Building Nx (Toronto)
Canada Green Building CouncilÂŽ
THIS IS 100% POSSIBLE
Canada Green Building Council®
21
Thank You
Canada Green Building CouncilÂŽ