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Local Renewables Freiburg 2007 Powerful local action for secure and sustainable energy in Europe 13 -15. June 2007 Freibur...
The Solar Government Quarter in Berlin and todays new challenges to transform the city's energy system Astrid Schneider   ...
<ul><li>Astrid Schneider  </li></ul><ul><li>Solar Architecture: Design, Research & Communication   </li></ul><ul><li>And v...
Astrid Schneider, Dipl. Ing. Architektur <ul><li>Astrid Schneider   </li></ul><ul><li>Solar Architecture: Design, Research...
A Solar Supplied Governmental Quarter <ul><li>Strategy: </li></ul><ul><li>How a vision became reality: </li></ul><ul><li>2...
Main Government Buildings equipped with PV <ul><li>Parliament, Chancellery, Presidents office, lower house of Parliament <...
Main Government Buildings equipped with PV <ul><li>Parliament offices and Ministry of Justice </li></ul>Picture:Astrid Sch...
A Solar Supplied Governmental Quarter Opportunity: a newly to be developed area
A Solar Supplied Governmental Quarter <ul><li>Chance:   </li></ul><ul><li>to establish a new energetic infrastructure for ...
Solar Government Quarter Berlin <ul><li>Governmental area in Spreebogen, built by Federal Building Agency </li></ul>
The Energy System based on Renewables <ul><li>Governmental Quarter Energy System Scheme </li></ul>
Seasonal Aquifer Storage for Heat and Cold <ul><li>Aquifere-Storage </li></ul><ul><li>Cold: </li></ul><ul><ul><li>60 meter...
German Parliament, Berlin <ul><li>Ventilation Scheme Parliament / Foster and Partners, London </li></ul>
Reichstags Building Berlin - Parliament <ul><li>PV-system has been integrated in a south facing roof area </li></ul>
Reichstags Building Berlin <ul><li>Design Architekturbüro Sir Norman Foster and Partners </li></ul><ul><ul><li>Installed c...
Das Reichstag Building Berlin <ul><li>Solar modules: </li></ul><ul><ul><li>Size 3000 mm x 1095 mm and 1505 mm x 1095 mm </...
Das Reichstag Building Berlin <ul><li>Roof-integrated PV-system </li></ul>
Federal Chancellery <ul><li>Design: Axel Schultes and Charlotte Frank Architects, Berlin </li></ul>
Federal Chancellery
Federal Chancellery, Berlin <ul><li>Glass-glass modules </li></ul>
Federal Chancellery <ul><li>In the background: Station hall with PV </li></ul>
New Main Station , Berlin <ul><li>Glass-Glass-Modules with monocrystalline solar cells  PV: Scheuten </li></ul>21. April 2...
Federal Ministry of Justice, Berlin (D) <ul><li>Two courtyards have been covered as glass atrium with PV-louvers </li></ul...
Federal Ministry of Justice, Berlin (D) <ul><li>BMJ-building complex with Mohrenkollenaden by Langhans </li></ul>Picture:A...
Federal Ministry of Justice, Berlin (D) <ul><li>Two courtyards have been covered with atrium glass roofs and external PV-s...
Federal Ministry of Justice, Berlin (D) <ul><li>The insulation glazing is attached to the exterior steel construction with...
Federal Ministry of Justice, Berlin (D) <ul><li>PV Shading for Atrium </li></ul>Picture: Colt International AG
Federal Ministry of Justice, Berlin (D) <ul><li>The glass-louvers are equipped with monocrystalline solar cells </li></ul>...
A Solar Supplied Governmental Quarter <ul><li>Targets reached at Spreebogen: </li></ul><ul><ul><li>Installations of 370 kW...
New Coal Fired Plants for Berlin???!!!! <ul><li>Newly planned Coal Power Plant at Eastern Berlin‘s </li></ul><ul><li>Licht...
Plans of the German Utilities for new  fossil fuel fired Power Plants Quelle: Herrmann Scheer MdB
Germany‘s new fossil plants 30.000 MW <ul><li>Summe Neubauplanung: 30.002 MW   </li></ul>Quelle: Herrmann Scheer MdB
World Energy reserves  <ul><li>200 years </li></ul><ul><li>100 years </li></ul><ul><li>today </li></ul>Source: BP-Statisti...
Can World Energy Reserves meet Growing Demand? <ul><li>200 years </li></ul><ul><li>100 years </li></ul><ul><li>today </li>...
Erforderliche Emissionsreduktion ~ 50% globale Emissionsreduktion bis 2050 Ergibt ca. 3 ºC  Erwärmung So lässt sich das  2...
1 Meter Sea-Level Rise: <ul><li>What happens, if the sea will rise for 1 meter: </li></ul><ul><li>These Megacities will be...
Our Challenge:  Growing Demand  -  less CO 2 Renewable   Energy Source: Shell AG - ‘Global Renewables Market’ 1999 2060: 6...
New Coal Fired Plants for Berlin???!!!! <ul><li>Newly planned Coal Power Plant at Eastern Berlin‘s </li></ul><ul><li>Licht...
Vattenfall Utilities in Berlin Quelle:Vattenfall Europe
Vattenfall District Heating in Berlin Quelle:Vattenfall Europe
Coal Use in the planned Coal Plant Waste Heat ca. 40%! District heating ca. 12%! Electricity ca. 48%!
Only 12% of the Coal goes to Heat
Only 4-8% CO2-Emissions needed!
CO 2 -Emissions: <ul><li>Actually planned coal plant: 4 Millionen t CO 2  / Jahr </li></ul><ul><li>Brennstoffeinsatz = 100...
GASAG: New efficient mini-CHP mit 92%  <ul><li>Sterling motor </li></ul>Quelle: GASAG
The Renewable Energy Sources <ul><li>Production in the town: </li></ul><ul><ul><li>Decentral solar power </li></ul></ul><u...
The RenewableDistributed Power Plant <ul><li>New initiative for combiplants: www.solar-strategy.com </li></ul><ul><li>Dist...
The RenewableDistributed Power Plant <ul><li>Source: www.solar-strategy.com </li></ul>Distributed renewables provide 100% ...
The RenewableDistributed Power Plant <ul><li>Source: www.solar-strategy.com </li></ul>The combination and organized play t...
Solar Electricity Feed-in-Tarriff 2000-2011 Source: VDN beim VDEW In 2011 at least 20,5 % EEG-electricity
2007 we have 16% EEG-electricity in D Source: VDN beim VDEW In 2007 the ordinary electricity in public grids in Germany ha...
Renewables grow exponential Quelle: EUROSOLAR e.V. ... and can substitute coal and atomic energy
German CO 2 -Reductions by Renewables Quelle: Unendlich viel Energie
German CO 2 -Reductions Quelle: Unendlich viel Energie
Brown Coal and Wind Power  in Eastern Germany‘s Vattenfall Transmission Net Source: ENERTRAG AG <ul><ul><li>Convetional Va...
Solar Architecture: - Saving Fossil Fuels <ul><li>Heating demand of newly built buildings in Germany: </li></ul><ul><ul><l...
Decentral Solar Energy Use in Towns <ul><li>Daylighting: </li></ul><ul><ul><li>Active daylighting devices </li></ul></ul><...
Solar Power Potentials in Germany <ul><li>Photovoltaic power plants </li></ul><ul><ul><li>1357 million m 2  Solar Modules ...
Photovoltaic’s today <ul><li>Solar Energy for Solar Architecture: </li></ul><ul><li>Solar Energy can be integrated as High...
Solar Center Mecklenburg Vorpommern <ul><ul><li>Investor: Solarinitiative Mecklenburg-Vorpommern e.V. </li></ul></ul><ul><...
Solar Window Shutter <ul><li>Solar shutter with grey multicrystalline solar cells and woodden frame </li></ul>Source: Astr...
Solar Window Shutter <ul><li>Solar window shutter - power: 2 x 80 Wp = 160 Wp </li></ul><ul><li>The Solar window shutter i...
Solar Window Shutter <ul><li>Solar window shutter opened </li></ul><ul><li>Project partners: </li></ul><ul><li>Design and ...
Solar Window Shutter <ul><li>Translucent glass-glass-module </li></ul><ul><li>Installed Capacity: </li></ul><ul><ul><li>80...
Solar Window Shutter - with LED-Lightening Solar shutter with semitransparent solar cells manufactured by Sunways And RGB ...
Solar Window Shutter - with LED-Lightening Solar shutter with semitransparent solar cells manufactured by Sunways And RGB ...
Solar Window Shutter - with LED-Lightening Solar shutter with semitransparent solar cells manufactured by Sunways And RGB ...
Solar Window Shutter - with LED-Lightening Solar shutter with semitransparent solar cells manufactured by Sunways And RGB ...
Solar Window Shutter - with LED-Lightening Solar shutter with semitransparent solar cells manufactured by Sunways and RGB ...
As Times Are Going by ...  ... ... ... ... ...  ...   ... the World Moves on .... It’s Our Choice today
... let’s build the solar cities of  tomorrow! It’s Our Choice today
Thanks for your attention! Astrid Schneider www.astrid-schneider.de
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    1. 1. Local Renewables Freiburg 2007 Powerful local action for secure and sustainable energy in Europe 13 -15. June 2007 Freiburg ICLEI
    2. 2. The Solar Government Quarter in Berlin and todays new challenges to transform the city's energy system Astrid Schneider Head of Regional Group Berlin-Brandenburg of EUROSOLAR e.V.
    3. 3. <ul><li>Astrid Schneider </li></ul><ul><li>Solar Architecture: Design, Research & Communication </li></ul><ul><li>And voluntary head of </li></ul><ul><li>EUROSOLAR e.V. </li></ul><ul><li>In the </li></ul><ul><li>Region Berlin-Brandenburg </li></ul>
    4. 4. Astrid Schneider, Dipl. Ing. Architektur <ul><li>Astrid Schneider </li></ul><ul><li>Solar Architecture: Design, Research & Communication </li></ul><ul><li>Is an architect and author who is specialist in photovoltaic building integration and active in: </li></ul><ul><ul><li>Design </li></ul></ul><ul><ul><li>Product development </li></ul></ul><ul><ul><li>Research projects </li></ul></ul><ul><ul><li>publications </li></ul></ul>
    5. 5. A Solar Supplied Governmental Quarter <ul><li>Strategy: </li></ul><ul><li>How a vision became reality: </li></ul><ul><li>28. September 1992: </li></ul><ul><li>Symposium ‘A Solar Supplied Governmental Quarter‘ </li></ul><ul><li>In the Reichstags building Berlin </li></ul><ul><li>With more than 400 participants, organized by Eurosolar e.V. u.a., opened by </li></ul><ul><ul><ul><li>Herrmann Scheer </li></ul></ul></ul><ul><ul><li>Chairman: </li></ul></ul><ul><ul><ul><li>Building Minister </li></ul></ul></ul><ul><ul><ul><li>Environmental Senator </li></ul></ul></ul><ul><ul><li>Integration of major political parties </li></ul></ul>
    6. 6. Main Government Buildings equipped with PV <ul><li>Parliament, Chancellery, Presidents office, lower house of Parliament </li></ul>Picture:Astrid Schneider
    7. 7. Main Government Buildings equipped with PV <ul><li>Parliament offices and Ministry of Justice </li></ul>Picture:Astrid Schneider
    8. 8. A Solar Supplied Governmental Quarter Opportunity: a newly to be developed area
    9. 9. A Solar Supplied Governmental Quarter <ul><li>Chance: </li></ul><ul><li>to establish a new energetic infrastructure for the new governmental quarter - based on renewables </li></ul><ul><li>Measures: </li></ul><ul><ul><li>Installation of 800 kWp PV with ca. 10.000 m 2 area </li></ul></ul><ul><ul><li>Installation of 900 m 2 thermal collectors </li></ul></ul><ul><ul><li>Use of renewable and effective technologies: </li></ul></ul><ul><ul><ul><li>Bio-oil-BHKW (Rape oil) </li></ul></ul></ul><ul><ul><ul><li>Own energy system in ‚Spreebogen‘ for heat, cold and electricity </li></ul></ul></ul><ul><ul><ul><li>Aquifere storage for heat and coolness under the ‚Reichstags-building‘ </li></ul></ul></ul><ul><ul><ul><li>Heat pumps </li></ul></ul></ul><ul><ul><ul><li>Solar provided cooling energy </li></ul></ul></ul>
    10. 10. Solar Government Quarter Berlin <ul><li>Governmental area in Spreebogen, built by Federal Building Agency </li></ul>
    11. 11. The Energy System based on Renewables <ul><li>Governmental Quarter Energy System Scheme </li></ul>
    12. 12. Seasonal Aquifer Storage for Heat and Cold <ul><li>Aquifere-Storage </li></ul><ul><li>Cold: </li></ul><ul><ul><li>60 meters deep </li></ul></ul><ul><ul><li>At ground water level </li></ul></ul><ul><li>+ </li></ul><ul><li>Heat: </li></ul><ul><ul><li>in 280-300 m in a layer of sandstone </li></ul></ul>Picture: Federal Building Agency
    13. 13. German Parliament, Berlin <ul><li>Ventilation Scheme Parliament / Foster and Partners, London </li></ul>
    14. 14. Reichstags Building Berlin - Parliament <ul><li>PV-system has been integrated in a south facing roof area </li></ul>
    15. 15. Reichstags Building Berlin <ul><li>Design Architekturbüro Sir Norman Foster and Partners </li></ul><ul><ul><li>Installed cpacity PV: 37 kWp with ca. 300 m 2 area, </li></ul></ul><ul><ul><li>ca. 630.000 m3 CO2-Reduktion </li></ul></ul><ul><ul><li>Hersteller Flabeg Solar International GmbH, Köln; installiert durch Engotec </li></ul></ul>You can hardly see the PV-System
    16. 16. Das Reichstag Building Berlin <ul><li>Solar modules: </li></ul><ul><ul><li>Size 3000 mm x 1095 mm and 1505 mm x 1095 mm </li></ul></ul><ul><ul><li>Capacity 412 Wp and 206 Wp </li></ul></ul><ul><ul><li>Module oriented inverters </li></ul></ul>
    17. 17. Das Reichstag Building Berlin <ul><li>Roof-integrated PV-system </li></ul>
    18. 18. Federal Chancellery <ul><li>Design: Axel Schultes and Charlotte Frank Architects, Berlin </li></ul>
    19. 19. Federal Chancellery
    20. 20. Federal Chancellery, Berlin <ul><li>Glass-glass modules </li></ul>
    21. 21. Federal Chancellery <ul><li>In the background: Station hall with PV </li></ul>
    22. 22. New Main Station , Berlin <ul><li>Glass-Glass-Modules with monocrystalline solar cells PV: Scheuten </li></ul>21. April 2004 - Solar Architecture - © Astrid Schneider
    23. 23. Federal Ministry of Justice, Berlin (D) <ul><li>Two courtyards have been covered as glass atrium with PV-louvers </li></ul>Picture: Colt International AG
    24. 24. Federal Ministry of Justice, Berlin (D) <ul><li>BMJ-building complex with Mohrenkollenaden by Langhans </li></ul>Picture:Astrid Schneider
    25. 25. Federal Ministry of Justice, Berlin (D) <ul><li>Two courtyards have been covered with atrium glass roofs and external PV-shading system </li></ul>Picture: Colt International AG
    26. 26. Federal Ministry of Justice, Berlin (D) <ul><li>The insulation glazing is attached to the exterior steel construction with cables as </li></ul><ul><li>a hanging structure, the louver system is placed on top of the lattice girders </li></ul>Picture: Colt International AG
    27. 27. Federal Ministry of Justice, Berlin (D) <ul><li>PV Shading for Atrium </li></ul>Picture: Colt International AG
    28. 28. Federal Ministry of Justice, Berlin (D) <ul><li>The glass-louvers are equipped with monocrystalline solar cells </li></ul>Picture: Colt International AG
    29. 29. A Solar Supplied Governmental Quarter <ul><li>Targets reached at Spreebogen: </li></ul><ul><ul><li>Installations of 370 kWp PV with 263.000 kWh annual solar electricity production </li></ul></ul><ul><ul><li>80% renewable Energy for the governmental buidlings, </li></ul></ul><ul><ul><li>but: maiily based on bio-fuel </li></ul></ul><ul><ul><li>only ca. 1,1% produced by PV </li></ul></ul>
    30. 30. New Coal Fired Plants for Berlin???!!!! <ul><li>Newly planned Coal Power Plant at Eastern Berlin‘s </li></ul><ul><li>Lichtenberg district: </li></ul><ul><ul><li>800 MW electrical power / 650 MW thermal power </li></ul></ul><ul><ul><li>About 4 Miilion t of CO 2 annually </li></ul></ul>
    31. 31. Plans of the German Utilities for new fossil fuel fired Power Plants Quelle: Herrmann Scheer MdB
    32. 32. Germany‘s new fossil plants 30.000 MW <ul><li>Summe Neubauplanung: 30.002 MW </li></ul>Quelle: Herrmann Scheer MdB
    33. 33. World Energy reserves <ul><li>200 years </li></ul><ul><li>100 years </li></ul><ul><li>today </li></ul>Source: BP-Statistical Review of World Energy 2004 Oil Natural Gas Coal Basis: todays (2003) consumption rates 41 years 200 years 70 years 50 years Uraneum
    34. 34. Can World Energy Reserves meet Growing Demand? <ul><li>200 years </li></ul><ul><li>100 years </li></ul><ul><li>today </li></ul>Source: Ludwig-Bölkow-System-Technik 2004 Oil Natural Gas Coal Duration of world energy reserves ... ... if every inhabitant of the globe would consume like an American 33 years 33 years 12 years 8 years 10 years Uraneum
    35. 35. Erforderliche Emissionsreduktion ~ 50% globale Emissionsreduktion bis 2050 Ergibt ca. 3 ºC Erwärmung So lässt sich das 2 ºC limit einhalten Quelle: Prof. Stefan Rahmstorf, Potsdam-Institut für Klimafolgenforschung
    36. 36. 1 Meter Sea-Level Rise: <ul><li>What happens, if the sea will rise for 1 meter: </li></ul><ul><li>These Megacities will be under water: </li></ul><ul><ul><ul><li>Shanghai </li></ul></ul></ul><ul><ul><ul><li>Bangkog </li></ul></ul></ul><ul><ul><ul><li>Jakarta </li></ul></ul></ul><ul><ul><ul><li>Tokio </li></ul></ul></ul><ul><ul><ul><li>New York </li></ul></ul></ul><ul><ul><ul><li>The Netherlands </li></ul></ul></ul><ul><ul><li>More than 100 million people will be flooded </li></ul></ul>Source: IPCC - Adapted from Milliman et al. (1989). www.ipcc.ch
    37. 37. Our Challenge: Growing Demand - less CO 2 Renewable Energy Source: Shell AG - ‘Global Renewables Market’ 1999 2060: 60% renewables provide world GDP-growth Energy Need CO 2 -Reduction
    38. 38. New Coal Fired Plants for Berlin???!!!! <ul><li>Newly planned Coal Power Plant at Eastern Berlin‘s </li></ul><ul><li>Lichtenberg district: </li></ul><ul><ul><li>800 MW electrical power / 650 MW thermal power </li></ul></ul><ul><ul><li>About 4 Miilion t of CO 2 annually </li></ul></ul>
    39. 39. Vattenfall Utilities in Berlin Quelle:Vattenfall Europe
    40. 40. Vattenfall District Heating in Berlin Quelle:Vattenfall Europe
    41. 41. Coal Use in the planned Coal Plant Waste Heat ca. 40%! District heating ca. 12%! Electricity ca. 48%!
    42. 42. Only 12% of the Coal goes to Heat
    43. 43. Only 4-8% CO2-Emissions needed!
    44. 44. CO 2 -Emissions: <ul><li>Actually planned coal plant: 4 Millionen t CO 2 / Jahr </li></ul><ul><li>Brennstoffeinsatz = 100% Coal = 100% Emissionen = 100% CO 2 </li></ul><ul><li>100% coal, but only 60% conversion into usable energy </li></ul><ul><li>60% -> only 20% for district heating, but 80% for electricity </li></ul><ul><li>12% of coal burned is used for heat (20% of 60%) </li></ul><ul><li>8% if we use gas instaed of coal -> saving 1/3 - CO 2 </li></ul><ul><ul><li>> Only 8% of the planned CO 2 -emissions of the new plant are neccessary to provide full district heating </li></ul></ul><ul><ul><li>- 20% more energy efficiency of heating net and buildings </li></ul></ul><ul><ul><li>- 20% biogas </li></ul></ul><ul><ul><li>- 10% solar thermal </li></ul></ul><ul><ul><li>-> - 50% CO2!!!!! </li></ul></ul><ul><li>4% CO 2 needed to provide heating for 200.000 flats! </li></ul>
    45. 45. GASAG: New efficient mini-CHP mit 92% <ul><li>Sterling motor </li></ul>Quelle: GASAG
    46. 46. The Renewable Energy Sources <ul><li>Production in the town: </li></ul><ul><ul><li>Decentral solar power </li></ul></ul><ul><ul><li>‚ invisible power plants‘: energy saving potentials / efficient energy use </li></ul></ul><ul><ul><li>Geothermal potentials </li></ul></ul><ul><li>Production on the Countryside - import to towns: </li></ul><ul><ul><li>Geo energy </li></ul></ul><ul><ul><li>Wave energy </li></ul></ul><ul><ul><li>New biomass </li></ul></ul><ul><ul><li>Wind energy </li></ul></ul><ul><ul><li>New Hydropower </li></ul></ul><ul><ul><li>Traditional biomass </li></ul></ul><ul><ul><li>Solar Power - huge power plants </li></ul></ul>
    47. 47. The RenewableDistributed Power Plant <ul><li>New initiative for combiplants: www.solar-strategy.com </li></ul><ul><li>Distributed decentral sources </li></ul><ul><li>From town and countryside </li></ul><ul><li>in combination: </li></ul><ul><ul><li>Wind </li></ul></ul><ul><ul><li>Solar </li></ul></ul><ul><ul><li>Biomass </li></ul></ul><ul><ul><li>Water </li></ul></ul>
    48. 48. The RenewableDistributed Power Plant <ul><li>Source: www.solar-strategy.com </li></ul>Distributed renewables provide 100% available source
    49. 49. The RenewableDistributed Power Plant <ul><li>Source: www.solar-strategy.com </li></ul>The combination and organized play together of wind, solar biomass and waterpower can follow the path of electricity demand over the day and year and can fully substitute conventional energy system
    50. 50. Solar Electricity Feed-in-Tarriff 2000-2011 Source: VDN beim VDEW In 2011 at least 20,5 % EEG-electricity
    51. 51. 2007 we have 16% EEG-electricity in D Source: VDN beim VDEW In 2007 the ordinary electricity in public grids in Germany has 20% renewable electricity In 2007 we have 16% EEG-electricity + 4% from water and bio-waste = 20% in public grids
    52. 52. Renewables grow exponential Quelle: EUROSOLAR e.V. ... and can substitute coal and atomic energy
    53. 53. German CO 2 -Reductions by Renewables Quelle: Unendlich viel Energie
    54. 54. German CO 2 -Reductions Quelle: Unendlich viel Energie
    55. 55. Brown Coal and Wind Power in Eastern Germany‘s Vattenfall Transmission Net Source: ENERTRAG AG <ul><ul><li>Convetional Vattenfall Wind Power </li></ul></ul><ul><ul><li>2006 7000 MW 7000 MW </li></ul></ul><ul><ul><li>2014 ? 14.000 MW </li></ul></ul>
    56. 56. Solar Architecture: - Saving Fossil Fuels <ul><li>Heating demand of newly built buildings in Germany: </li></ul><ul><ul><li>In 1970 buildings consumed about 450 kWh per m 2 annually </li></ul></ul><ul><ul><li>In 2000 buildings consumed about 100 kWh per m 2 annually </li></ul></ul><ul><li>According to building standards of that time </li></ul>1970 ........................ 2000 450 kWh/m 2 a 50 kWh/m 2 a Source: German Parliament Commission
    57. 57. Decentral Solar Energy Use in Towns <ul><li>Daylighting: </li></ul><ul><ul><li>Active daylighting devices </li></ul></ul><ul><ul><li>Shading devices </li></ul></ul><ul><li>Electricity: </li></ul><ul><ul><li>Solar electricity by Photovoltaics </li></ul></ul><ul><li>Heat: </li></ul><ul><ul><li>Solar thermal collectors </li></ul></ul><ul><ul><li>Passiv solar heat gains through glazed facades and windows </li></ul></ul><ul><li>Cooling Energy: </li></ul><ul><ul><li>Solar cooling energy by thermal collectors / liquid or air </li></ul></ul><ul><ul><li>Solar cooling energy by passiv measures </li></ul></ul><ul><ul><li>Shading Devices </li></ul></ul><ul><li>Biomass: </li></ul><ul><ul><li>Use of bio-waste such as from households, food etc. </li></ul></ul><ul><ul><li>Green ‚waste‘ from trees, gardens, etc. </li></ul></ul>
    58. 58. Solar Power Potentials in Germany <ul><li>Photovoltaic power plants </li></ul><ul><ul><li>1357 million m 2 Solar Modules 0,4 % of German surface area for 30% of todays electricty </li></ul></ul><ul><li>Urban and other sealed area </li></ul><ul><ul><li>41,072 million m 2 </li></ul></ul><ul><ul><li>11,5 % of German surface area (357,148 mio m 2 in total) </li></ul></ul>Source: Prof. Dr. Volker Quaschning, FHTW Berlin In Germany ca. 30 % of the actual electricity demand could be supplied with Photovoltaics, the area: 0,4 % of the German surface or 3 % of sealed area
    59. 59. Photovoltaic’s today <ul><li>Solar Energy for Solar Architecture: </li></ul><ul><li>Solar Energy can be integrated as High-tech-element into attractive and modern buildings and can provide: </li></ul><ul><ul><li>Solar electricity </li></ul></ul><ul><ul><li>Solar heat </li></ul></ul><ul><ul><li>Shading </li></ul></ul><ul><ul><li>Daylighting </li></ul></ul><ul><ul><li>Heat insulation </li></ul></ul><ul><ul><li>Solar cooling </li></ul></ul>High-Tech Solar Building Source: Colt International AG
    60. 60. Solar Center Mecklenburg Vorpommern <ul><ul><li>Investor: Solarinitiative Mecklenburg-Vorpommern e.V. </li></ul></ul><ul><ul><li>Opening on 13.09.2003 </li></ul></ul>Building Design: Gerd Vogt, Huckstorf Construction managment: Turner & Partner, Rostock Energy Concept: Energiebüro und EST-Ingenieure, Berlin Solar window shutters: Astrid Schneider, Berlin
    61. 61. Solar Window Shutter <ul><li>Solar shutter with grey multicrystalline solar cells and woodden frame </li></ul>Source: Astrid Schneider, Solar Architecture, Berlin (D)
    62. 62. Solar Window Shutter <ul><li>Solar window shutter - power: 2 x 80 Wp = 160 Wp </li></ul><ul><li>The Solar window shutter is a multifunktional building element invented by the architect Astrid Schneider: </li></ul><ul><ul><li>Solar electricity production </li></ul></ul><ul><ul><li>Sun protection </li></ul></ul><ul><ul><li>Heat protection (buffer funktion in winter) </li></ul></ul><ul><ul><li>Protection for the windows against rain </li></ul></ul><ul><ul><li>Protection against thieves (compound safety glazing) </li></ul></ul><ul><ul><li>Optical protection for inhabitants </li></ul></ul>Source: Astrid Schneider, Solar Architecture, Berlin (D)
    63. 63. Solar Window Shutter <ul><li>Solar window shutter opened </li></ul><ul><li>Project partners: </li></ul><ul><li>Design and development (patent): </li></ul><ul><ul><li>Astrid Schneider, Solar Architect from Berlin </li></ul></ul><ul><li>Production and sales: </li></ul><ul><ul><li>Colt International GmbH, Kleve / Colt Solar Technology AG, Baar </li></ul></ul><ul><li>Solar Modules: </li></ul><ul><ul><li>Solarnova GmbH, Wedel </li></ul></ul><ul><li>Solar Cells: </li></ul><ul><ul><li>Sunways AG, Konstanz </li></ul></ul>Source: Astrid Schneider, Solar Architecture, Berlin (D)
    64. 64. Solar Window Shutter <ul><li>Translucent glass-glass-module </li></ul><ul><li>Installed Capacity: </li></ul><ul><ul><li>80 Watt per module </li></ul></ul><ul><ul><li>160 Watt per window </li></ul></ul><ul><li>Solar energy output: </li></ul><ul><ul><li>ca. 90 kWh/ year </li></ul></ul><ul><li>Type of solar cells: </li></ul><ul><ul><li>multicrystalline silicon with grey colour </li></ul></ul><ul><ul><li>Cell efficiency: 12 % </li></ul></ul><ul><li>Module construction: </li></ul><ul><ul><li>Glass-glass module with EVA-compoung </li></ul></ul><ul><ul><li>Frame: made from wood </li></ul></ul>Source: Astrid Schneider, Solar Architecture, Berlin (D)
    65. 65. Solar Window Shutter - with LED-Lightening Solar shutter with semitransparent solar cells manufactured by Sunways And RGB LED lighting by OSRAM - green
    66. 66. Solar Window Shutter - with LED-Lightening Solar shutter with semitransparent solar cells manufactured by Sunways And RGB LED lighting by OSRAM - red
    67. 67. Solar Window Shutter - with LED-Lightening Solar shutter with semitransparent solar cells manufactured by Sunways And RGB LED lighting by OSRAM - white
    68. 68. Solar Window Shutter - with LED-Lightening Solar shutter with semitransparent solar cells manufactured by Sunways And RGB LED lighting by OSRAM - white
    69. 69. Solar Window Shutter - with LED-Lightening Solar shutter with semitransparent solar cells manufactured by Sunways and RGB LED lighting by OSRAM - detail view green
    70. 70. As Times Are Going by ... ... ... ... ... ... ... ... the World Moves on .... It’s Our Choice today
    71. 71. ... let’s build the solar cities of tomorrow! It’s Our Choice today
    72. 72. Thanks for your attention! Astrid Schneider www.astrid-schneider.de
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