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McCormick warehouse cuts energy bill to zero

McCormick warehouse cuts energy bill to zero

With 369,000 square feet under roof, it would seem McCormick & Co.'s sprawling distribution center in Belcamp would have an eye-popping power bill, with some 3,300 light fixtures and a refrigerated storage area big enough to drive forklifts in and out.

But in the past year, the 81/3-acre Harford County warehouse has generated more power than it has consumed, making it the first "net-zero-energy" building in Maryland and one of a small but growing number nationwide.

The Sparks-based spice and flavoring manufacturer first overhauled the building's lighting and air-handling systems. Then McCormick installed 7,500 solar panels on the vast rooftop, which generate...