Solar Power News – August 7, 2008

August 7, 2008 at 9:04 pm 1 comment

It has been a good week for news in the solar power arena!  We have information on advances in storing power produced and improvements on producing the power in the first place!

This concentrator represents a leap in efficiency for solar power production.  From the EcoGeek website: (

Businesses will now be able to get more solar power from rooftop systems with a Sunflower rooftop solar PV concentrator system from Energy Innovations. It is the very first concentrator system to get Underwriters Laboratories certification and is deemed safe for roofs. With the certification comes qualification for much sought after solar rebates, and the company is looking to raise $20 million so they can produce and install more systems in 2009.

By concentrating sunlight more than 1,000 times, the system makes electricity cheaper than traditional PV systems. It is self-powered and doesn’t need to penetrate the roof for installation.

The next item is even more important as it allows us to store the power produced to be used during the night when we can’t generate that wonderful free power.  Some MIT (massachusetts institute of technology) scientists have been able to mimic in the lab how plants store energy from the sun!

From teh MIT site on the project (

Inspired by the photosynthesis performed by plants, Nocera and Matthew Kanan, a postdoctoral fellow in Nocera’s lab, have developed an unprecedented process that will allow the sun’s energy to be used to split water into hydrogen and oxygen gases. Later, the oxygen and hydrogen may be recombined inside a fuel cell, creating carbon-free electricity to power your house or your electric car, day or night.

Pretty amazing stuff and there is a good video on the site of the good Dr. explaining the process.

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Entry filed under: Technology. Tags: , , , , .

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1 Comment Add your own

  • 1. Bill  |  September 8, 2008 at 6:10 pm

    Breaking up water into hydrogen and oxygen is one thing, the cost of the fuel cell materials make this a more expensive solution than the average homeowner can afford.


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