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The Merchandise Mart is a massive commercial space, spanning two city blocks along the Chicago River and offering some 4.2 million square feet of floor space. As expected, its energy consumption is also enormous, but the building has long been a leader in efficiency. And recently, the Mart took an even bigger step forward by unveiling an innovative battery storage unit that will help balance the electric grid – and earn money while doing it.

Efficiency efforts at Merchandise Mart began in the 1980s with the installation of an ice-storage cooling system that freezes tons of water overnight when cooling needs are minimal, allowing the building to shift power consumption to off-peak periods, save money, and reduce pollution.


Lithium-ion Battery


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