Opel installs 13 MW of solar cells at German factories

Opel solar project installs rooftop photovoltaic panels in Ruesselsheim and Kaiserslautern, delivering 13 MW, 12.35 million kWh/year, 18% cell efficiency, CO2 cuts, and grid feed-in with Solon SE and Tauber-Solar.

Adam Opel GmbH, a wholly owned subsidiary of General Motors Corporation, will increase the use of renewable energy at the company's German sites.

Together with Tauber-Solar Management GmbH and component manufacturer Solon SE, Opel will install solar panels on the roofs of the Ruesselsheim and Kaiserslautern manufacturing sites, aligning with Germany's EV initiative goals for cleaner production.

The total area of the solar modules in Ruesselsheim will be about 225,000 square metres and will generate 13 megawatts (MW) of power, reducing carbon-dioxide emissions by about 7,500 tons per year. Work began in July, and the first panels are being installed now. The Opel solar project will continue with the manufacturing site at Kaiserslautern.

Opel already generates 10 MW of solar power at its factory in Zaragoza, Spain, while showcasing new EVs at a German auto show in parallel with its sustainability push.

A forerunner of Opel's increased use of solar power can already be seen in front of the Adam Opel headquarters in Ruesselsheim: A so-called solar mover was installed. This photovoltaic system rotates on two axes, constantly following the position of the sun, as the country pursues a plan for 1 million EVs by 2020 to accelerate e-mobility.

Planning and management for the project will be led by Tauber. Solon SE will supply the solar elements and the mounting technology, and related advances such as the Solvay-BASF fuel cell venture illustrate broader innovation across the sector. The efficiency level of the German-produced solar cells is 18%. Once finished, the production site in Ruesselsheim is expected to produce 12.35 million kilowatt-hours (kWh) of energy from sunlight. Any unused electricity will be added to the local grid.

Solon SE was founded in 1997 and is one of Europe's leading manufacturers of solar modules and suppliers of photovoltaic systems for large-scale solar power plants. The Solon Group has subsidiaries in Germany, Austria, Italy, Switzerland and the U.S. The group's revenue for 2008 was $1.17 billion (811 million euros), more than 60% of which was generated outside Germany.

In 2009, renewable energies, as alternative energy companies bucked the trend, accounted for 16% (93 billion kWh) of Germany's electric power consumption, according to the German Association of Energy and Water Economy. Wind energy contributed 6.4%, followed by biomass (4.4%), hydropower (3.3%), solar power (1%) and waste-to-energy (0.9%).

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