GreenSun Energy LTD based in Har Hotzvim, Jerusalem has developed some prototype solar panels that will significantly reduce costs and also be capable of creating energy from candy-coloured solar panels that capture different parts of the sun’s light spectrum and don’t need direct sunlight to work. 
The jewel tones of the panels allow them to capture different parts of the sun’s light spectrum, conventional solar panels require direct sunlight to produce electricity. In contrast, the coloured panels don’t need to face the sun and can absorb dispersed light, allowing for energy collection on a cloudy day, albeit with less efficiency. The company says the coloured panels are less expensive than conventional solar panels because they require less silicon to manufacture.
So how do they work? When light hits one of the coloured panels, it is diffused to the edges, which are covered with silicon solar receptors that, in turn, produce electricity. The company says the coloured panels are more practical because they can replace everyday building surfaces, such as windows and walls, rather than requiring a full roof or field panel array to be effective.
Why is this important? Well if you Past blog postings on solar energy, despite the increasingly innovative photovoltaic systems that are being produced they are still not cost effective without government subsidy. The photovoltaic solar energy industry has grown exponentially since the year 2000 and recorded 62% growth in 2007. The efficiency of existing commercial systems for the production of electricity from solar energy is about 12% -17% with an associated cost of about $5 USD per watt. It is very difficult to reduce this cost with the existing technology. Once the technology is developed to produce electricity from solar energy at the same cost as from fossil fuels, the energy industry will experience a transformational revolution.
| Comparison | National Grid Parity | Conventional Solar Panel | GreenSun MK-I Panel |
GreenSun MK-IIIQ Panel |
| Panel area | 1 sq m | 1 sq m | 1 sq m | |
| Efficiency | 15% | 12% | 20% | |
| % of cells reqd | 100% | 20% | 10% | |
| Total Watts | 150W | 120W | 200W | |
| Dollars per watt | $1.00/W | $4.54/W | $2.10/W | $0.94/W |
Now just imagine how such panels could be used in the actual construction of various parts of the boat itself such as hard canopies, windows, cockpit screens, covers on chart plotters, laptop screen covers and so on…
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September 29th, 2009 | Tags: 
The figures make some big claims. Even if they are a big skewed the actual idea of solar building materials is the big advantage.
That list of uses you started could go on and on. I guess time will tell if they become practical.
Thanks for the comment, love your web site by the way and the sentiment behind it – looks like a mine of information – many thanks.
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If this start wind speed is 1.5m/s. This generator will be a huge progress in small wind turbine industry. Whether it is as good as they say. It need the test of time.