The Solar Energy Industries Association (SEIA), Washington, D.C., and the Vote Solar Initiative recently unveiled a report naming the companies using solar on their facilities in the U.S., ranked by cumulative solar energy capacity.

The Top 20, in terms of on-site solar capacity deployed are: Walmart, Costco, Kohl's Department Stores, IKEA, Macy's, McGraw-Hill, Johnson & Johnson, Staples, Campbell's Soup, Walgreens, Bed, Bath & Beyond, Toys ‘R’ Us, General Motors, FedEx, White Rose Foods, Dow Jones, Snyder's of Hanover, ProLogis, Hartz Mountain Industries and Crayola. See the full report at Combined, the Top 20 corporate solar users' installations generate an estimated $47.3 million worth of electricity each year.

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