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Thursday, May 22, 2014

What if Roads Were Made of Solar PV Panels?

Douglas Elbinger, GreenLancer.com 
May 21, 2014  

Four years ago, Scott and Julie Brusaw announced their provocative concept of "Solar Roadways," a system of modular ‘pavement’ solar panels that could be installed directly onto roads, parking lots, driveways, bike paths, and “literally any surface under the sun." The idea got traction (no pun intended) and since then, the Brusaws have received two rounds of funding from the Federal Highway Administration as well as a private grant to develop their project.
 The concept of solar roadways may sound too good to be true …but is it? Scott and Julie Brusaw, co-inventors of Solar Roadways, have been working on the project since 2009. Basically, solar roadways can be almost anywhere; parking lots, driveways, highways, roads, etc… made out of photovoltaic panels. The team has done some calculations; they’re premise is based on the idea that there is approximately 31,000 square miles of usable road surfaces in the US, and if all of these were covered the Solar Roadways system could produce over three times the electricity that is used by the entire country. That’s an incredible potential and even if only a fraction of that space were converted, it could lead to a huge paradigm shift in several economic equations …not just energy.
 The hexagonal panels, made of glass may look fragile, but are designed to be driven on have been rigorously tested for safety and durability. They have proven to be as good or better than asphalt or concrete.  The panels have been tested for traction, load testing, and impact resistance. They’re supposed to withstand a 250,000-pound load, typical of the heaviest trucks. In fact, they’ve actually already developed a working prototype that’s been installed in a parking lot, and they’re now crowd sourcing funds in order to tweak the design and move towards production. Obviously, this project isn’t going to be cheap. Solar Roadways are hoping to raise $1 million on their indiegogo page so that they can hire engineers to make final modifications and move from prototype to production. They think that if they reach their target they should be able to begin installing projects at the end of the year.
 Why Solar Roadways are a Big Deal
Imagine this …would you like to drive your electric car on roads that don't have potholes, don't need re-construction every year, roads that will ‘self clean’ snow or ice on them in the winter, and have illuminated lines that you can see? Solar roadways will be able to accomplish all of this with existing technology. When the panels get damaged, it would literally take just a few minutes for it to be replaced. The heating elements in the panels to rid the roads of ice and snow, not only making winter driving a lot safer, but imagine all the avoided expenses of keeping roads plowed! There are also imbedded LED lights instead of painted lines, and the lights can be programmed to changed, like at crosswalks, to alert drivers to pedestrians. They can also be used to alert drivers to deer and other animals on the road, saving lives and insurance money.
What about cost? The production costs of the panels are not yet known, but if estimates of the electricity generated were close to accurate, they would pay for themselves. They could also pay for themselves with advertising in parking lots, using the LED lights.  Of course, the switch to solar roadways would be gradual and will have to prove viability before large scale adoption. Based on the mass potential, solar roadways would be able to provide enough solar power to power the entire United States, and then some. We could rely solely on a clean energy source; get away from foreign oil, and cut pollution and carbon emissions drastically. And because the solar roadways will be tied into the grid, another benefit is the decentralization of power generation, which increases energy security.
Posted by vksharma at 11:28:00 PM
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vksharma
vksharma age 74 years has enormous exposure to life in general,government functioning at starting,middle and top management levels, education system and all along has been pained by the inefficacy of the system in all spheres.The writings draw strength from his experiences over the years and are motivated by inner urge to sow seeds of a silent revolution which will change the destiny of India and her people
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