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Karl Burkart

Could Solar Roadways power the U.S.?

Innovative solar start-up awarded $100,000 grant by the Department of Transportation for a new road system that could power America.

Mon, Sep 07 2009 at 7:37 PM EST
 17

 
There is no question that the United States is blessed both with some of the world's best solar resources and the largest highway network in the world.
 
Put two and two together and you may just have the solution to America's energy problem. At least that's what Solar Roadways inventor Scott Brusaw believes.
 
Brusaw's company was just awarded a $100,000 grant by the U.S. Dept. of Transportation (DOT) for one of the most visionary solar projects ever conceived -- to convert America's roadways into the world's largest solar energy system.
 
According to Brusaw, the lower 48 states contain about 25,000 square miles of roadways. If these roadways collected solar energy at 15 percent efficiency, they would supply three times the annual energy consumption of the United States.
 
And perhaps even more exciting, the roadways themselves would become the "super grid" of the future, freely conducting energy to urban centers through a network of relays sheltered in the road's base layer.
 
 
Now, that is not going to be an easy task. The Solar Roadways system could make use of current thin film technology (which has reached efficiencies of 10 percent) but the road layer also includes a grid of LED's to allow digital striping of the roads, a feature which adds to the whopping price tag -- $6900 for a 12' x 12' panel (producing 7.6 kWh's of electricity per day).
 
In addition, the protective layer would have to be both translucent and durable enough to withstand the wear and tear of the nation's trucking fleet. We're talking a lot of high-strength plastic (probably polyvinyl) which would mean huge environmental impacts (and lots of petroleum).
 
Nevertheless it is one brilliant idea. It will be interesting if the DOT grant will result in a working prototype that may garner further research and funding.
 
The above interview is part of a new film called YERT (Your Environmental Road Trip) which documents some of the best out-of-the box solutions to our climate crisis.
 
via: Inhabitat
 
 
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Related Topics: Clean Tech, Climate Change, Solar Power

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anonymous
Harvesting Clean Energy 11/20/2010 08:01 AM

YellowLite is a Cleveland, OH based renewable energy company. Our team includes professionals striving for a cleaner environment. We specialize in Grid-Connected, Stand-Alone and Hybrid Photovoltaic Systems. With the help of our certified and professional engineers, we can reliably predict return on investments and make custom energy systems according to the customers' needs.
OHIO:

www.yellowlite.com
Phone:.... More

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anonymous
Harvesting Clean Energy 10/18/2010 07:29 AM

YellowLite is a Cleveland, OH based renewable energy company. Our team includes professionals striving for a cleaner environment. We specialize in Grid-Connected, Stand-Alone and Hybrid Photovoltaic Systems. With the help of our certified and professional engineers, we can reliably predict return on investments and make custom energy systems according to the customers' needs.
OHIO:

www.yellowlite.com
Phone:.... More

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anonymous
Guest 11/10/2009 12:01 PM

While a good idea in theory, solar roads are not a practical solution for power generation because wear, tear and grime would make them overly expensive to maintain. A better idea, I would think, would be to put solar on the roof tops of commercial and residential building as this would greatly reduce the need for infrastructure and would allow people to be independent of central power failure.

It would also allow people to have free or very cheap energy and would pave the way for hydrogen.... More

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anonymous
Michael J. Schmitz 10/25/2009 17:05 PM

what good would it do with flying cars and trucks?

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anonymous
Guest Today 14:09 PM

You're mad if you think that the oil companies would allow something like that to happen. They would be going all out to corrupt those in positions to approve or deny the go ahead for these projects. Do you really think they would stand idly by whilst their profits take such a hige hit ?

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anonymous
Andrew 10/18/2009 18:32 PM

According to MY calculations, the total cost of the 25,000 square miles of panels would cost about $33.4 trillion, not the $4.8 quadrillion the previous poster suggests. (That's 696,960,000,000 square feet to cover with panels 144 square feet in size, or 4,840,000,000 panels. At $6900 a piece, that comes out to $33,396,000,000,000.) And this is an incremental cost: instead of replacing old roads, which need to be replaced anyways, with asphalt, we would replace them with these panels..... More

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anonymous
Nuno Lagoa 10/12/2009 11:07 AM

... is not absurd, then there is no hope for it»

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anonymous
The Griffmeister 10/10/2009 10:17 AM

Forgetting the cost for a moment, I think this idea falls over when you consider dirt, skid marks, debris and even scratches to the panel's surface blocking sunlight. What happens then? How expensive is it going to be to keep these things clean or replace them when they're so scratched that their photon harvesting efficiency drops right down?

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anonymous
Anonymous 09/30/2009 18:08 PM

This is one of the most retarded ideas I've ever heard

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anonymous
rollzone 09/30/2009 15:08 PM

hello. already i am panicked by high transmission emf waves disrupting the environment, and this is not about merely painting nano solar paint along dividers to provide recharges for travelling vehicles: they want to fry the planet.

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anonymous
Robbo Nimbin AUSTRALIA Today 18:49 PM

Our current power grid from dirty coal creates more cancer birth defects and asthma than any other form of power used today it's not up to the people to change it is up to the governments of the world to supply the people with clean renewable power.So get active and demand a cleaner power source for a cleaner future.Clean water clean air equates to cleaner food and a healthier future,It is the world leaders that have to stop the coal rot before we all end up diseased.

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anonymous
a z azn 10/08/2009 06:21 AM

You type a great argument, Robbo Nimbin. But the problem that I have is with your punctuation. Without proper punctuation, some of your sentences come out as 'babble', if you will. I had to read your comment nearly 4 times and try to insert commas and periods where I saw a possible fit. Each placement was different, so each meaning was understood by myself as different. If you place them right, you can make both a pro- and con- push out of what you were trying to say. Help me understand. Or.... More

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anonymous
Guest 10/15/2009 09:06 AM

if all you care about is grammar, go f*** yourself

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anonymous
Anonymous 09/15/2009 11:26 AM

These naysayers obviously haven't traveled the world to see that other countries are far more forward thinking and are leaving us behind. We should be celebrating a new idea - it may not be perfect but it can be perfected. If we didn't improve on new ideas we would still be living in caves.

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anonymous
Anonymous 09/14/2009 13:08 PM

What a great idea, but this definately needs some more analysis, bring in more experts. I currently think it should be some kind of block put beside the road. No way cars riding over plastic would hold. Look at the concrete already.. Then some kind of high tech nano technology or something to maybe have a conductive addititonal bumper on the margin...

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anonymous
Anonymous 09/10/2009 17:08 PM

fools seldom differ, and this technology and article prove it......
the idea is preposterous, to say the least.
the DOT backer must have also been from the same gene pool
and this publisher, no better,

You may all win a darwin award for this one

on the upside, at least i know where i can get $100,000 anytime i want

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anonymous
Anonymous 09/10/2009 13:16 PM

According to my calculations, at current costs, it would cost 4.8 quadrillion dollars just for the panels. Even it it could be produced 1000 x more efficiently, it would cost 4.8 trillion dollars. And that's before construction costs.

This is the kind of garbage reporting, and a waste of public money, that exposes environmentalists (of which I consider myself one) to ridicule. There are plenty of existing technologies that could be invested in much more cheaply.

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