The installation, located near Aschaffenburg, Germany, occupies 2.7 kilometers of the A3 tunnel roof. German-based solar installer Ralos is overseeing the construction and Goldbach-Hoesbach, which purchased the land from the German government, will oversee the projects interconnectivity to the power grid. The €11 million investment in the project is expected to be paid back through cost savings over 16 years.
“This project is a testament to the fact that when both government and developers work together in a creative and goal-oriented way, positive results such as clean, renewable energy can be the result,” said Peter Rusch, Evergreen Solar’s director of marketing and sales for Europe, the Middle East and Asia. “Theoretically, there’s a huge amount of free space on highway bridges and tunnels. If this example is replicated throughout Germany, the country’s market share on solar energy could rise substantially.”
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