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Roberto LambertsFederal University of Santa Catarina
Laboratory for Energy Efficiency in BuildingsBrazilian Council for Sustainable Construction
THE BRAZILIAN
Energy Efficiency Label for Buildings
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Presentation Outline
• Brazilian Energy matrix
• End uses
• Laws and standards
• Green buildings
• Brazilian Energy efficiency plan
• Brazilian labelling scheme
• Building labelling
• Conclusions
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0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Brazil World
non-renewable renewable
Brazil X World
ENERGY MATRIX
53%
86%
47%
14%
Source: BEN- 2010 / year 2009
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BRAZIL – 2009
NON-RENEWABEL
53%
RENEWABLE47%
Petroleum42%
Natural Gas9%
Coke oven coke1%
Met. coke0%
Uranium 2%
Hydraulic Energy
14%
Wood10%
Sugar-cane products
19%
Others4%
ENERGY MATRIX
Source: BEN- 2010 / year 2009
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TOTAL ENERGY CONSUMPTION IN BRAZIL
Energy Sector12%
Residential11%
Commercial3%
Public2%
Agriculture5%
Transport30%
Industry37%
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ELECTRIC ENERGY CONSUMPTION IN BRAZIL
Source: BEN- 2010 / year 2009
Energy Sector4.4%
Residential23.9%
Commercial15.1%
Public8.6%
Agriculture3.9%
Transport0.4%
Industry43.7
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RESIDENTIALBUILDINGS
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SOURCES CONSUMPTION BY RESIDENTIAL SECTOR
Natural Gas1.03%
Wood32.41%
LiquifiedPetroleum Gases
26.33%
Kerosene0.04%
Electricity37.68%
Coal2.51%
Source: BEN- 2010 / year 2009
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Residential end uses
Source -Avaliação do Mercado de Eficiência Energética no Brasil: Pesquisa na Classe Residencial PROCEL-Eletrobras 2007
Wash machine0.4%
Microwave oven0.1%
Refrigerator22%
Freezer5%
Lighting14% Shower
24%
HVAC20%
TV9%
Sound System
3%
Iron3%
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MORE EFFECTIVE ENVELOPE – BIOCLIMATIC DESIGN
2. Natural ventilation
1. Confort zone
3. Directevaporativecooling
4. Thermal masscooling efect
7. Thermal massheating efect
8. Passive solar heating
6. Indirectevaporativecooling
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COMMERCIALBUILDINGS
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Diversityof Enduses
Lighting:
12 a 57%
Equipments: 6 a 38%
HVAC:
25 a 75%
DIVERSITY OF END USES
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COMMERCIAL SECTOR by energy source
Natural Gas2.84%
Wood1.30%
Diesel Oil0.92%Fuel Oil
1.97%
Liquified Petroleum Gases;
2,18%
Electricity89.53%
Coal1.26%
Source: BEN- 2010 / year 2009
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Source - Avaliação do Mercado de Eficiência Energética no Brasil: Pesquisa Setor Comercial - AT PROCEL-Eletrobras 2007
COMMERCIAL SECTOR - END USES
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PUBLIC SECTOR by source of energy
Natural Gas0.09%
Diesel Oil2.61%
Fuel Oil2.35%Liquified
Petroleum Gases10.05%
Electricity84.90%
Source: BEN- 2010 / year 2009
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Source - Avaliação do Mercado de Eficiência Energética no Brasil: Pesquisa Prédios Públicos AT - PROCEL-Eletrobras 2007
PUBLIC SECTOR - END USES
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LAWS AND STANDARDS
• LAWS:
- Law 9991 – 2000, investments in R&D and energy efficiency by utilities
- Law 10295 2001 , energy efficiency law
- Develop energy efficiency
- Minimum efficiency standards
- Buildings on the agenda
• Standards:
- ABNT 15220- Thermal performance (Bioclimatic design)
- ABNT 15575- Minimum performance standard
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Green buildings
not big progress in energy efficiency missing opportunities
Eldorado Business Tower - SP
LEED- GBC BrasilHQE- Aqua
Ventura - RJ
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Natinal Energy Plan PNE 2030
• Energy Efficiency is in there for the first time
• The National Plan for Energy Efficiency is coming
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BRAZILIAN LABELING SCHEME INMETRO
Minimum Efficiency
Motors
HVAC
Refrigerator
Lamps (phase out of incandescent)
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Etiqueta Nacional de Conservação de Energia - ENCE
Partials:• Envelope• Envelope + lighting• Envelope+ HVAC
Global:• Complete building
Voluntary for the first 5 years
INTEGRATED VIEW
BUILDING ENERGY LABELING (Commercial buildings)
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Two evaluation stages: PROJECT evaluation
BUILDING Inspection evaluation
Project Label Building Label
BUILDING ENERGY LABELING (Commercial buildings)
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Labeled Buildings
21 Lables
• 40 Buildings under evaluation
• The complete list can be seen in: http://www.inmetro.gov.br/consumidor/produtosPBE/EdificiosComerciais.asp.
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Labeled Buildings
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BUILDING ENERGY LABELING (Residential buildings)
Etiqueta Nacional de Conservação de Energia - ENCE
Parts:• Envelope for summer• Envelope for winter•Water heating•HVAC (only for information)
Global:• Complete building
Method based on evaluation of room byroom, considering orientation and solar
exposition of each building surface.
INTEGRATED VIEW
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Conclusions
- Law 10295 2001 , gives the country a good framework for implementing energy efficiency
- There are standards but the enforcement is very difficult-Informal market
- Energy efficiency is part of the national energy planning now
- The national energy efficiency plan is being finalised
- Labels for commercial building are being used (voluntary) but we still have a long way to make them compulsory
- Labels for residential buildings are being implemented this year (voluntary)