The Rudolph Libbe Group of companies, which includes GEM Energy, GEM Inc. and Rudolph Libbe Inc., served as the design/build contractor performing site work and electrical installation for the 2.4-megawatt solar carport project at the Owens Corning headquarters located in downtown Toledo, Ohio. This carport covers parking space for 1,000 vehicles and is currently one of the largest of its kind in the Midwest.

RLG served as the design/build contractor for all civil work including excavation of old asphalt for the eight-acre parking lot, adding revised grades as well as new islands and paving and installed all the electrical wiring and roof solar panels. Replacement of a 1,200-foot-long pedestrian walkway, with new concrete, fiberglass roofing and epoxy paint coating was also built by RLG.

The solar carport supports the corporation’s 2020 sustainability goals for greenhouse gas emissions and increases its reduction target from 20 to 50 percent of its 2010 baseline. Based on a first-year production projection, the system is expected to generate three million kilowatt-hours of electricity per year.

GEM Energy has also installed multiple car charging stations at the site.





I think what we’re doing now around sustainable energy and powering our operations and our headquarters using sustainable sources is just an extension of our history and our legacy. We are a technology and engineering company, so to approach our headquarters and see this as a part of our campus, to me, has really enhanced the image of our company.

Mike Thaman, President and CEO
Owens Corning

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