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NET ZERO ENERGY BUILDINGS (NZEB)

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Manpreet Kaur

on 14 September 2014

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Transcript of NET ZERO ENERGY BUILDINGS (NZEB)

NET ZERO ENERGY BUILDINGS (NZEB)
0
Imagine a Building with
No Utility Bills
Autonomous from energy grid supply
No cost for heating, cooling, and etc
Limitless use of natural resources
Minimal Carbon Footprint

To produce this electricity, following is the CO2 emissions from
Coal - 74.3%
Natural gas 24.4%
Petroleum 0.8%.
Seventy-five percent (74.9%) of all the electricity produced in the U.S. is used just to operate buildings.
Net Zero Site Energy: In this type of ZNE, the amount of energy provided by on-site renewable energy sources is equal to the amount of energy used by the building. In the United States, “zero net energy building” generally refers to this type of building.

Net Zero Source Energy: This ZNE generates the same amount of energy as is used, including the energy used to transport the energy to the building. This type accounts for losses during electricity transmission. These ZNEs must generate more electricity than zero net site energy buildings.
Outside the United States , a ZEB is generally defined as one with zero net energy emissions. Under this definition the carbon emissions generated from on-site or off-site fossil fuel use are balanced by the amount of on-site renewable energy production.
Net Zero Energy Cost is perhaps the simplest metric to use: it means that the building has an energy utility bill of $0 over the course of a year. In some cases, building owners or operators may take advantage of selling Renewable Energy Credits (RECs) from on-site renewable generation.
Climate-responsive design and conservation practices
Employ renewable energy sources
Efficient HVAC and lighting systems
Optimize building performance
Monitor project performance
Integrate water saving technologies
Isolation from future energy price increases
Increased comfort due to more uniform interior temperatures
Reduced total net monthly cost of living
Improved reliability. (Walt Disney Epcot)
Minimized extra cost for new construction
Higher resale value-limited supply
Higher markets value/appreciation
Future legislative benefits
Higher Initial Cost
Limited Skill Set
Challenge to recover-resale of building
Climate-specific design may limit future ability
Limited Location
NET ZERO WATER

Strategies
Reduce: Efficient water distribution system
Reuse: Harvesting rainwater
Recycle: Grey-water treatment
Strategies
Reduce while purchasing
Reuses
Recovers waste streams
Cradle-to-cradle
A net zero waste strategy eliminates the need for landfills, protects human health, optimizes use of limited resources and keeps the environment clean.
NET ZERO WASTE

A neighborhood which is self-sustained with all the natural resources.
Example: Geos, it is Colorado’s first sustainable, integrated community where energy from the Earth and the Sun replaces all fossil fuels.
NET ZERO NEIGHBORHOOD
GREENWASHING
2013FB1 MEM 701
Preet

September 19th, 2013
Honor Code:
I have neither given or received nor tolerated others’ use of unauthorized aid. - Manpreet Sachdeva
?
Q&A
Is it a new concept?
Current Applications
Advantages
Disadvantages
Deceptive green marketing.
Increase profits
Gain Political support
Thanks
Full transcript