solanova - symbiosis for sustainability human needs resource efficiency solar supply andreas...
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![Page 1: SOLANOVA - Symbiosis for Sustainability Human Needs Resource Efficiency Solar Supply Andreas Hermelink | Coordinator SOLANOVA, Germany](https://reader036.vdocuments.mx/reader036/viewer/2022062511/551c2bd7550346b24f8b612b/html5/thumbnails/1.jpg)
SOLANOVA - SOLANOVA - Symbiosis for SustainabilitySymbiosis for Sustainability Human NeedsHuman Needs Resource EfficiencyResource Efficiency Solar SupplySolar Supply
Andreas Hermelink | Coordinator SOLANOVA, Germany
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ETAP Forum, Brussels, June 11, 2007
CO2-Emissions – Scenarios
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1990 2000 2010 2020 2030 2040 2050
IEA BAU WorldIEA ALT World
EU Target World
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ETAP Forum, Brussels, June 11, 2007
Carbon Reduction Demand
• EU 25, today: ca. 9.5 t/CO2 per capita• World, 2050 (-50%): ca. 1.2 t/CO2 per capita• This would mean a reduction in EU25 of 87%!
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ETAP Forum, Brussels, June 11, 2007
Video message: Andris Piebalgs
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ETAP Forum, Brussels, June 11, 2007
Green Buildings?
GREENGREEN
ENOUGH
Sufficient Insufficient
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ETAP Forum, Brussels, June 11, 2007
Symbiosis
SolarEnergy
(Building, Quarter, Town)
Efficiency(buildings & dwellers,
supply systems)
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ETAP Forum, Brussels, June 11, 2007
SOLANOVA – Factor 10 Philosophy
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Before SOLANOVA
kWh
/m2a
Hot water
Space heat -79%
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ETAP Forum, Brussels, June 11, 2007
SOLANOVA - Much More Solar …
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Before SOLANOVA
kWh
/m2a
Renewable Energy
Fossile Energy
26%Share of
Renewables
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ETAP Forum, Brussels, June 11, 2007
SOLANOVA – … Much Less Fossile
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Before SOLANOVA
kWh
/m2a
Renewable Energy
Fossile Energy
-84%
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ETAP Forum, Brussels, June 11, 2007
Measured Space Heat Consumption
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39
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Average before retrofit Heating season 2005/06 Heating season 2006/07
kWh/m2a
-82% -91%
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ETAP Forum, Brussels, June 11, 2007
From European Worst Practice ….
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ETAP Forum, Brussels, June 11, 2007
… to European Best Practice!
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ETAP Forum, Brussels, June 11, 2007
Measures for European Best Practice
• Decentral ventilation units with 82% real heat recovery, one ventilation unit per flat
• Ca. 75 m² solar thermal area as canopy • Easy heating system solution with radiators• 10 cm insulation of cellar ceiling• Roof insulation: 30 cm with green roof • Wall insulation: 16 cm polystyrene (additional)• Flats’ windows: S and W: 2+1 glazing,
shading, UW = 1.1; N: 2-glazing, UW = 1.4
• Groundfloor windows: U-value: 1.4• TOTAL Cost: 240 EUR/m² + VAT
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ETAP Forum, Brussels, June 11, 2007
Satisfaction with Temperature
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ETAP Forum, Brussels, June 11, 2007
Before
Dec. 2006
very dissatisfieddissatisfied
neutralsatisfied
very satisfied
10,00
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Satisfaction with Space Heat Cost
[%]
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ETAP Forum, Brussels, June 11, 2007
Satisfaction with Flat
Before
Dec. 2006
[%]
very dissatisfieddissatisfied
neutralsatisfied
very satisfied
10,00
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30,00
40,00
50,00
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ETAP Forum, Brussels, June 11, 2007
Replication Potential for SOLANOVA
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ETAP Forum, Brussels, June 11, 2007
Replication Potential for SOLANOVA
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ETAP Forum, Brussels, June 11, 2007
Replication Potential for SOLANOVA
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ETAP Forum, Brussels, June 11, 2007
Replication Potential for SOLANOVA
100 Mio people in Eastern Europe only!
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ETAP Forum, Brussels, June 11, 2007
Conclusion
GermanyAndreas Hermelink
• We have the obligation to master a triple challenge which is far beyond the usual marginal improvements.
• Let’s•satisfy occupants’ needs•within environmental limits•at reasonable cost!
• SOLANOVA proves: It is possible!
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ETAP Forum, Brussels, June 11, 2007Andreas Hermelink, University of Kassel, CESRKurt-Wolters-Str. 3, D-34125 [email protected]. +49 561 804 6216 / Fax +49 561 804 6213
www. .eu