Skip to main content

SolarRoad units installed in cycle path in Estampes

French road building contractor Charier has introduced the SolarRoad kit (SRK) on a newly laid cycle path in Etampes, France. Two SRK units convert sunlight to electricity and provide lighting for a roundabout near Etampes, a small commune of around 26,000 people about 50km south-west of Paris. The installation helps Charier meet sustainability objectives within the framework of the Paris Agreement. An SRK has four elements of 2.5m x 3.5m and delivers around 3,500kWh per year, which according to Solar R
February 8, 2018 Read time: 2 mins
Sunny side up: workers in France install the SolarRoad kit in Etampes
French road building contractor Charier has introduced the SolaRoad kit (SRK) on a newly laid cycle path in Etampes, France


Two SRK units convert sunlight to electricity and provide lighting for a roundabout near Etampes, a small commune of around 26,000 people about 50km south-west of Paris. The installation helps Charier meet sustainability objectives within the framework of the Paris Agreement.

An SRK has four elements of 2.5m x 3.5m and delivers around 3,500kWh per year, which according to 8663 SolaRoad is enough energy to power an average household for one year.

The solar panels can be driven upon but also carry cables. They contain LED lights to create lines and signage without paint and heating elements to prevent snow and ice accumulation. Microprocessors let the panels communicate with each other, a central control station, and vehicles. The glass has a tractioned surface which is equivalent to asphalt.

The technology can be applied to a business park, courtyard, square, bike path or a footpath. It can provide energy for lighting, illuminating a shop window, heating, Wi-Fi access points or - as now in Groningen, the Netherlands - a charging point for e-bikes and mobile phones.

For more information on companies in this article

Related Content

  • Environmental impact drives warm mix growth
    November 14, 2012
    Warm mix asphalt can save energy and the environment, cutting emissions of carbon dioxide and other harmful gases, but are environmental arguments enough for clients and contractors? Kristina Smith asks Though popular in the United States, warm mix asphalt is still a technology waiting to happen in the rest of the world. Chemical companies who imagined a meteoric rise in sales are still waiting for the right economic conditions to allow warm mix to start taking serious market share from hot mix. “In Europe
  • Developments in cycle way monitoring
    February 13, 2012
    A new cycle way monitoring system developed by consultant Cowi and laser electronics company Dynatest in Denmark adds a new dimension to monitoring local road networks. It is developed from standard road condition measurements but is specially tailored for the bicycle path and the particular ride conditions needed for cyclists. The need is growing as the bicycle lane becomes increasingly important around the world. In London a number of special bicycle "super highways" have been introduced, marking off bicy
  • A history lesson in private public partnerships
    April 12, 2012
    Michel Démarre gives some historical insights into public-private partnerships conceived to implement urban infrastructure projects, a concept that surprisingly dates back to as early as the 13th century! All over the world today, the role of public authorities in the process of planning and, in most cases, designing, financing and procuring urban roads is paramount. Even for modifications to existing roads, decisions are made by these public authorities (usually after due consultation with the population)
  • Temporary ProLight solar lighting illuminates the UK’s A14 upgrade
    January 9, 2019
    The A14 Cambridge to Huntingdon improvement scheme has become the first UK project to use temporary solar - instead of diesel - lighting. The A14 is the UK’s biggest road construction project with a budget of nearly US$2 billion to upgrade 34km of trunk road between Cambridge and Huntingdon with completion set for December 2020. The A14 Integrated Delivery Team, working on behalf of project client Highways England, is the largest user in the country of year-round temporary solar trailer-transported lights.