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Wattway Solar Road

Solar roads as an autonomous generator for photovoltaic infrastructure

April 2019
Gallery Wattway Solar Road 1
Gallery Wattway Solar Road 1


The solar road autonomous generator solution is a trafficable photovoltaic surfacing designed to autonomously power equipment near the roadway.

This is a breakthrough innovation that provides road networks with a second function: the production of renewable energy. Solar road panels are used to power any type of energy-consuming equipment located near the road. The solution acts as an autonomous generator (without backup to the national grid) for the equipment, thus meeting the needs of customers in terms of safety and communication by creating new autonomous source. The generator makes it possible to avoid network connection costs in remote areas, without the need for heavy construction work. With a few panels, this solution makes it possible, for example, to power traffic signs and speed limit signs, remote monitoring equipment or standalone street lights with the possibility of adding presence detection.

  • /
Label Date April 18, 2019
From France
Maturity stage Prototype testing in the real world
Looking For Visibility and partners

The environmental benefits

  • Independent from the national electricity grid.
  • The photovoltaic coating can bear any type of vehicle.
  • Adaptable to any type of equipment.

The Financial benefits

  • Grid connection costs avoided

Activity Region

  • /
  • Headquarters
  • Activity

Company Profile

Wattway - LaRouteSolaire

Wattway is the first trafficable photovoltaic road surface. It has been developed in partnership with INES.

View company profile
Headquarters 78114 Magny-les-Hameaux, France

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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Wattway - LaRouteSolaire has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.