The document discusses frameworks for equitably assessing net zero buildings and prioritizing renewable energy. It proposes a new Primary Energy Renewable (PER) framework that would give accurate credit to renewable electricity sources based on regional grids. The PER framework aims to incentivize demand reduction, fuel switching to electric heat pumps, and optimize building design for renewable generation potential without penalizing tall or shaded buildings. It also accounts for local and off-site renewable energy credits. The presenter advocates for this new framework to more equitably assess net zero buildings and maximize renewable energy sources.
Hire 💕 8617697112 Meerut Call Girls Service Call Girls Agency
Equitable 'Net Zero' for Buildings
1. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Equitable ‘Net Zero’
for Buildings
Bronwyn Barry, RA, CPHD
North American Passive House Network
&
Passive House California
2. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Is all ’Net Zero’ created equal?
Image credit: National Renewable Energy Laboratory
3. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Can we ‘equalize’ for tall?
Image credit: National Renewable Energy Laboratory
4. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Can we ‘equalize’ for cold climates?
Image credit: National Renewable Energy Laboratory
5. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Can we ‘equalize’ for challenging use types?
Image credit: National Renewable Energy Laboratory
6. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Can we address ‘Zero’ equitably?
BASIC PRINCIPLES
1. Manages ‘Loss’
1. Driven by:
Comfort
Quality
Durability
3. Credits renewables
separately
SOURCE: Image – California’s All Renewable Energy Future by Bronwyn Barry, CPHD
7. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Can we address ‘Zero’ equitably?
BASIC PRINCIPLES
1. Manages ‘Loss’
1. Driven by:
Comfort
Quality
Durability
3. Credits renewables
separately
SOURCE: Image – California’s All Renewable Energy Future by Bronwyn Barry, CPHD
8. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Which ‘Zero’ is our real goal?
Source: https://www.cityofpaloalto.org/civicax/filebank/documents/63492
The Palo Alto Report….
9. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
How do we use energy?
Source: https://www.cityofpaloalto.org/civicax/filebank/documents/63492
Starting with current data….
Space Heating
Interior Lighting
Water Heating
Cooking
Cooling
Refrigeration
Ventilat…
Office Eqpt
Misc
Exterior LightingMotors
ProcessAir Compressors
Water Heating
Space Heating
Lighting
Refrigerators and Freezers
Plug Loads
Cooling
Pools and Spas
Dishwasher and Cooking
Laundry
Misc
Pools, Spas, Miscellaneous
Residential
Buildings
30%
Commercial
Buildings
70%
10. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
What needs to shift?
Source: https://www.cityofpaloalto.org/civicax/filebank/documents/63492
(52%)
11. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
41%
20%
2%
37%
18%
1%
15%
9%
4%
0%
7%
14%
0%
15%
28%
0%
8%
14%
0%
6%
14%
Emissions Energy Use Electricity Use
Annual Energy Use as a Percentage of Total Palo Alto Building Energy Use
Space Heating Water Heating Cooking Cooling Lighting Refrigeration Plug Loads
Source: https://www.cityofpaloalto.org/civicax/filebank/documents/63492
78%!
What needs to shift?
12. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Current energy accounting
SOURCE: https://sustainabilityworkshop.autodesk.com/buildings/measuring-building-energy-use
13. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://sustainabilityworkshop.autodesk.com/buildings/measuring-building-energy-use
What’s a utilization factor for electricity?
14. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
SOURCE: Image - http://www.theenergycollective.com/aqgilbert/2322195/us-electricity-system-15-maps, Data: Passive House Academy
kWh of Source Energy per kWh of delivered electricity (2004) National: 3.315
Western: 2.853
ERCOT: 3.574
Alaska: 3.568
Hawaii: 3.1917
Eastern: 3.394
Does this change regionally?
15. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
How is each grid different?
Nuclear
North East
Hydro North
West
Windy Great
Plains
Coal
Midwest
Solar
Coasts
Gas
Everywhere!
Solar
Coasts
Gas
Everywhere!
16. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
How do we design this new framework?
SOURCE: https://sustainabilityworkshop.autodesk.com/buildings/measuring-building-energy-use
17. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://sustainabilityworkshop.autodesk.com/buildings/measuring-building-energy-use
How do we design this new framework?
18. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://sustainabilityworkshop.autodesk.com/buildings/measuring-building-energy-use
✕
How do we design this new framework?
19. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://sustainabilityworkshop.autodesk.com/buildings/measuring-building-energy-use
þ
✕
How do we design this new framework?
20. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://sustainabilityworkshop.autodesk.com/buildings/measuring-building-energy-use
þ
✕
Renewables 3x better
site utilization
How do we design this new framework?
21. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://sustainabilityworkshop.autodesk.com/buildings/measuring-building-energy-use
þ
✕
Renewables 3x better
site utilization
But non-Renewables
look equally good
How do we design this new framework?
22. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://passipedia.org/certification/passive_house_categories/per#the_per_sustainability_assessment,
Can we optimize for renewables?
23. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://passipedia.org/certification/passive_house_categories/per#the_per_sustainability_assessment,
Can we optimize for renewables?
24. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://passipedia.org/certification/passive_house_categories/per#the_per_sustainability_assessment,
Can we optimize for renewables?
25. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://passipedia.org/certification/passive_house_categories/per#the_per_sustainability_assessment,
Can we optimize for renewables?
26. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://passipedia.org/certification/passive_house_categories/per#the_per_sustainability_assessment,
Can we optimize for renewables?
27. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCESOURCE: https://passipedia.org/certification/passive_house_categories/per#the_per_sustainability_assessment,
New R-E
Framework
Needed
Can we optimize for renewables?
28. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Heating/Cooling Demand:
Peak Heat Load:
Air-tightness:
Total Primary Energy:
15 kWh/m2yr
or 4.75 kBTU/hr.ft2
10 W/m2
or 3.2 BTU/hr.ft2
n50 < 0.6 ACH
Primary Energy Renewables
(PER) Factors 3 Certification Levels
Incentivizes RENEWABLE ENERGY sources
SOURCE: Image – Team Germany 2009 Solar Decathlon Passivhaus supplies 200% of it’s energy via renewable energy.
Creates a CARBON EMISSIONS
focus
Cooling Limits
adjusted for
Humid Climates:
Setting an energy use budget
29. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Three certification levels
Energy Supply from Renewable Resources
Final Energy Demand at the Building
PER =
INCENTIVIZES:
1. Total Demand Reduction & Peak Load Shifting
2. Fuel switching to all-electric with heat pumps
3. Regional renewable grid efficiencies
4. Allows local and off-site renewable credits
5. Seasonal storage of renewables at utility scale
6. Urban density & equitable renewable credit for all buildings
SOURCE: https://passipedia.org/certification/passive_house_categories/per#the_per_sustainability_assessment
30. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
SOURCE: Illustrations by Bronwyn Barry, info: https://passipedia.org/certification/passive_house_categories/per#the_per_sustainability_assessment
1. Total Demand
Reduction
Separated into:
§ Electricity
§ Hot Water
§ Heating
§ Cooling
§ Dehumidification
2. Seasonal Energy
Demand
3. Regional Grid
Renewable Supply
Account for:
§ Wind
§ Solar PV & HW
§ Hydro
~ Biomass
~ District Heat
4. Building
Site & Size
6. Renewable
Storage
Calculated kWh of:
§ Short-term &
§ Long-term energy
5. Regional Peak
Load
Considers localized use:
§ Demand Type
§ Daily Peak Use
§ Seasonal Peak
7. Appliance
Energy Source
Incentivizes fuel switching
Factor & incentivize:
§ Local renewable availability
§ Building size vs roof area
§ Supply vs Demand balance
§ Viable short- vs long-term storage
Basic framework overview:
31. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
5. Regional Peak
Load
How this works in California…
32. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
5. Regional Peak
Load
How this works in California…
33. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
5. Regional Peak
Load
How this works in California…
34. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
5. Regional Peak
Load
How this works in California…
35. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
5. Regional Peak
Load
SOURCE: PHPP v.9.7 IP
What about the Tri-State region?
36. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
5. Regional Peak
Load
SOURCE: PHPP v.9.7 IP
What about New England?
37. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
BASIC PRINCIPLES
1. Manages ‘Loss’
1. Driven by:
Comfort
Quality
Durability
3. Credits renewables
separately
PRIORITIZES DEMAND
REDUCTION
Renewable sources given
beneficial ‘Primary Energy
Renewable’ factors
Credits allocated by:
On-site generation
Off-site generation
Green Roofs
(Regional grid supply
factored into this calculus.)
SOURCE: Image – California’s All Renewable Energy Future by Bronwyn Barry, CPHD
A quick summary…
38. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
BASIC PRINCIPLES
1. Manages ‘Loss’
1. Driven by:
Comfort
Quality
Durability
3. Credits renewables
separately
SOURCE: Image – California’s All Renewable Energy Future by Bronwyn Barry, CPHD
• Gives renewable electricity
accurate credit
• Accounts for local renewable
generation potential
• Does not penalize
tall/shaded
• Drives climate-appropriate
design to maximize
renewable sources
How is this more equitable?
39. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
http://www.naphnetwork.org
Where can I learn more? http://www.naphnetwork.org
40. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
October 17-21st, 2018
Keynote Presenters:
Hubert Rhomberg – CREE
Scott Foster - UNECE
Join us in Pittsburgh for NAPHN18
https://naphnconference.com/
41. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Or meet us in China in 2019! https://passivhaustagung.de/en/
42. THE NATION’S LARGEST NET ZERO BUILDING CONFERENCE
Thanks and credits
SOURCE MATERIAL:
§ Passive House Institute, passivehouse.com
§ ‘The PER Sustainability Assessment,’ Passipedia.org
RECOMMENDED READING:
https://passipedia.org/certification/passive_house_categories/per#the_per_sustainability_assessment
https://passipedia.org/basics/passive_house_-
_assuring_a_sustainable_energy_supply/passive_house_the_next_decade
SOURCE: Image: Bronwyn Barry – Cornell Tech Tower
THANK YOU
Bronwyn Barry, RA, CPHD
Email: bronwyn@naphnetwork.org
Website: http://naphnetwork.org/