IKEA has expanded its solar power system on top of its Perryville, Maryland, distribution center.
The home furnishings retailer plugged in the solar array on Tuesday.
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Installation of the new solar panels began in the fall of 2013. The project has nearly doubled in size since then.
The company says the amount of solar power produced will allow the facility to mostly use its own energy.
Last year, IKEA completed solar installations on top of nearly 90 percent of its U.S. buildings, or 39 out of 44 locations.
The distribution center began operations in 2002. It employs about 550 people, and currently helps provide inventory to many U.S. IKEA stores.