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By Randall Thomas, Amory Lovins
Photovoltaic platforms (PVs) produce electrical energy without delay from sun radiation and have gotten extra frequent as their merits develop into obvious. This new consultant presents an outline of ways PVs paintings and the way they're integrated within the layout of constructions, giving designers a good suggestion of the diversity and suppleness of PVs and in their layout and aesthetic capability. Seven modern case reviews illustrate the use and alertness of photovoltaic platforms.
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Extra info for Photovoltaics and architecture
8. PVs can affect the orientation, the footprint, the facade and the section of buildings. 31 REFERENCES 1. Anon, (1995), A Performance Speciﬁcation for the Energy Efﬁcient Ofﬁce of the Future. BRECSU, BRE, Watford. 2. Anon, (1991), BRECSU Energy Efﬁciency in Ofﬁces. Energy Consumption Guide 19. BRECSU, BRE, Watford. 3. Anon, (1996), Review of Ultra-Low-Energy Homes. DoE General Information Report 39. BRECSU, BRE, Watford. 4. Anon, (1991), Energy Audits and Surveys. CIBSE, London. 5. IT Power, (1996), Development of Photovoltaic Cladding Systems.
Footprint. Facade. Section. A building orientated to the south for daylighting, passive solar gain and free of overshading is eminently suitable for PVs. Similarly, a footprint with the long axis running east–west thus giving a large south-facing wall area and potentially a large south-facing roof is advantageous for PVs. The facade is more complex. 11. Another important point is that the solar gain through windows and rooﬂights is immediately beneﬁcial (provided, of course, that it does not cause any problems, such as overheating).
The driving forces for this include: 1. 2. 3. 4. 5. Increased module efﬁciencies. For example, efﬁciencies of crystalline silicon modules are expected to increase by one quarter between now and 2010 (10). Development of lower-cost thin ﬁlm and other technologies. Lower production costs as a volume market leads to, for example, improved manufacturing techniques and starts to drive costs down. Reduced system costs. For example, the costs of components such as PCUs are expected to fall. Reduced installation costs as the market develops and experience is gained.
Photovoltaics and architecture by Randall Thomas, Amory Lovins