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Corporate Philanthropy & Volunteering Blog

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Cool Solar Earth Balloon Helps Green Energy Soar Sustainably


Cool solar earth balloon

There are many new forms of green energy, but perhaps none as interesting as the Cool Earth Solar “Balloon.”

Here’s the concept behind the design: 

  1. An inflatable plastic thin-film balloon (solar concentrator) is created 

  2. Upon inflation, the balloon focuses sunlight onto a photovoltaic cell held at its focal point

  3. The design produces 400 times the electricity that a solar cell would generate without the Cool Earth’s concentrator  

Cool Earth has already begun construction on a Livermore, California power plant that will utilize this new technology.  The plant is modest in size, creating only 1.4 megawatts, but if this plant works as well as they expect it to, the company plans to launch a full-sized plant next summer.

One great thing about this device is that it’s made up of a very common and cheap material. “Plastic, thin film is abundant and cheap,” said Cool Earth Solar CEO Rob Lamkin. “It only costs two dollars for the plastic material necessary for our solar concentrator.”

It’s clever ideas like this that I think will stick.  Cool Earth Solar is an environmentally sound concept that is cost efficient and built around an easy to find material.  That's the definition of sustainable energy.

Do you think this sounds like a good way to harness solar energy?


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Pro-Bono Volunteering Provides a Competitive Corporate Advantage



It's so important to get out there and make a difference and take advantage of solar power! I'm planning a volunteer trip to Nicaragua this year to install solar panels in an underdeveloped community to be able to provide them with safe drinking water, refrigeration, showers, communications and other basic necessities we take for granted every day! Help me in my endeavor at:
Posted @ Wednesday, March 13, 2013 12:17 AM by Melissa
I am a retired engineer and have been studying and designing economic heliostats, not just for PV power generation but for direct heating use as in boilers, furnaces, absorpsion refridgeration and cooking. Your minimal "dollars per watt" principle is absolutely right and I wish you every success in making a significant contribution to our energy crisis. For my part, I feel I would be wasting my time if I did not consider the use of your bubble reflectors in my work. 
I realise such items are not available 'off the shelf' as yet, but it seems it wont be long before they are, and then later perhaps, manufactured off shore, and marketed world wide. I would like to know your marketing expectations and any other technical information - Size, weight, likely power concentration and cost.  
Posted @ Wednesday, May 29, 2013 5:21 AM by Cliff Allen
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