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DuPont Cernay marks completion of its largest solar installation to date

4.5 MW solar array features 18,400 crystalline silicon solar panels manufactured by Jinko Solar.

The Cernay installation is one of 13 solar installations worldwide on DuPont land, which together generate more than 11 million kilowatt hours of electricity per year. Spread over 6 hectares (15 acres), the Cernay facility features 18,400 crystalline silicon solar panels, manufactured by Jinko Solar. The solar panels feature advanced materials from DuPont designed to improve the power output, durability and return on investment for solar energy systems.1
The Cernay installation was connected to the grid in March 2014 and is expected to produce 5 million kilowatt hours (kWh) of solar-generated electricity each year, which is roughly the equivalent to the amount of electricity 2,000 households consume every year in France. The project was developed by Hanau Energies, a French project developer and investor in solar installations, and was built in a record time of two months.

“We are extremely proud to partner with a global player like DuPont on this project in France," said Jean-Luc Westphal, president, Hanau Energies. "The solar park in Cernay is a perfect illustration for how advanced and reliable technology and best practices in installation, operations and maintenance can be put into practice."

DuPont executives concur. “The solar park in Cernay is a prime example of DuPont demonstrating its commitment to develop collaborative and innovative solutions and helping to ensure a more energy secure future,” said Martin Virot, country leader, DuPont France. “We are pleased to see this project realized in France, leveraging our advanced materials to ensure a well-performing, long-term source of electricity as we strive to meet the growing global energy demand more sustainably.”

The project, supported by local municipal authorities, is aligned with Cernay’s federation of municipalities aim to preserve resources and limit its environmental footprint. At the global and national levels, the development of solar and other renewable energy sources are expected to grow in the overall energy mix. According to industry analyst IHS, France’s annual installation of solar is expected to increase by 50 per cent in 2014 to exceed 800MW and should keep growing steadily over the following years. Globally, solar is expected to grow 20 percent annually each of the next several years.

The Cernay solar park falls under a 20-year power purchase agreement with energy provider Eléctricité Réseau Distribution France (ERDF).


  1. The panels are made with DuPont™ Tedlar® polyvinyl fluoride film-based backsheets, which are the only material proven to protect solar panels for more than 30 years even in extreme outdoor conditions, and DuPont™ Solamet® photovoltaic metallization pastes that help ensure maximum power output.

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Energy efficiency  •  Energy infrastructure  •  Photovoltaics (PV)  •  Solar electricity