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Home » World’s First Solar-Powered Road Opens

World’s First Solar-Powered Road Opens

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solar powered road in france

Travel technology: the world’s first solar-powered road has opened in a small village in France, and there’s a solar road test project in the USA.

The solar road in Normandy is paved with more than 30,000 square feet of solar panels which are specially reinforced to take the weight of cars and trucks, including big rigs.

Simply, the solar road takes advantage of existing infrastructure by paving it over with solar panels.

It cost the French Ministry of the Environment $5.2 million (€5 million) to repave one kilometer of asphalt with solar panels. That’s super-expensive for less than one mile of highway construction, but less expensive and less disruptive than taking over valuable farmland or residential space to build a solar farm in the neighborhood.

“Roads spend 90 percent of their time just looking up into the sky. When the sun shines, they are of course exposed to its rays,” Jean-Lic Gautier, manager of the Center for Expertise at the Colas Campus for Science and Techniques, said in a statement last year. “It’s an ideal surface area for energy applications.”

French road construction company Colas engineered the project.

According to Britain’s Guardian newspaper, about 2,000 motorists will drive on the roadway in Tourouvre-au-Perche during a two-year test period.  The test is to see if the project can generate enough energy to power street lights for the 3,400-resident village.

The French government plans eventually to pave 620 miles (1,000 kilometers) of its roads with solar panels like these, extremely thin yet durable panels of polycrystalline silicon. Eventually, France hopes to furnish 5 million people with solar-powered electricity, or about 8 percent of the  population.

The panel manufacturer, Wattway, claims its panels have a 15 percent yield, compared to 18-19 percent for conventional photovoltaic panels.  The flat position of the panels also could affect yield, which is part of the research.

solar road

Solar Road Test Project in West Point, Georgia

Wattway also has a demonstration product in the USA, with 150 square feet of solar panels installed at the Georgia Visitor Information Center in West Point, Georgia.

And a solar bike path in the Netherlands, called SolaRoad has been in operation since November 2014.

Cost vs. Benefit

Critics are in France concerned with the high price of the Normandy project.

“It’s without doubt a technical advance, but in order to develop renewables there are other priorities than a gadget of which we are more certain that it’s very expensive than the fact it works,” Marc Jedliczka, vice-president of Network for Energetic Transition (CLER), told Le Monde.

Eventually, of course, costs will come down, as they do with all new technology as it is adopted and manufacturing is beefed up from what is essentially a custom product to one that is mass-produced.

photos courtesy France24 news network and Wattway.

 

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Filed Under: Solar Energy, Travel Technology Tagged With: climate change, ecoXplorer, France, photovoltaic panels, Solar Power

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ecoXplorer is your guide to smart spending and eco-friendly living

Evelyn Kanter is a journalist with 20+ years of experience as a newspaper and magazine writer, radio & TV news producer & reporter, and guidebook and smartphone app author – all focusing on travel, automotive, the environment and your rights as a consumer.

Evelyn currently serves as President of the International Motor Press Assn. (IMPA), and is a past Board Member of a prestigious professional group for travel journalists.

Contact me at evelyn@ecoxplorer.com.

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