The solar road

The solar road

The solar road

Wattway is a patented French innovation, the fruit of 5 years of research carried out by Colas, a world leader in transport infrastructure, and INES, National Institute of Solar Energy. It is the first photovoltaic road surface in the world designed to supply electricity using clean, renewable, solar energy, and able to bear any type of vehicle traffic.

Upcoming events

Innovation : impact on territories

Come discover the key innovations for your attractiveness


Paris-Saclay, France

French National Mayor's Fair

Wattway will be with Colas for this major annual meeting of public decision-makers


Paris, France


For the fourth year, Wattway will be at the major renewable energy event in France


Montpellier, France

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