Data Center Location: 350 East Cermak. Chicago, IL
Data Center Size: 1.1 Million Square Feet
Data Center Landlord: Digital Reality Trust
Here is an aerial view of 350 East Cermak. This 1.1 million square foot data center is located in Chicago, IL.
The Lakeside Technology Center (350 East Cermak) is a 1.1 million square foot multi-tenant data center. Owned and operated by Digital Realty Trust it is one of the world’s largest carrier hotels, housing data centers for financial companies and Chicago’s commodity markets due to the abundance of peering providers available. This data center, which has over 70 tenants, started out life as a home to printing presses for the Sears Catalog and Yellow Book. It was developed by the R.R. Donnelley Company before being converted to data center space in 1999.
350 East Cermak is currently the second-largest power customer for Commonwealth Edison, trailing only Chicago’s O’Hare Airport. The industrial strength infrastructure includes four fiber vaults and three electric power feeds, which provide the building with more than 100 megawatts of power. Grid power is supported by more than 50 generators throughout the building, which are fueled by multiple 30,000 gallon tanks of diesel fuel.
One of the most distinctive features of the facility is its cooling system, which is supported by an 8.5 million gallon tank of a refrigerated brine-like liquid (seen at left in the top photo). The huge tank serves as thermal energy storage for the Metropolitan Pier and Exposition Authority (MPEA), including the nearby McCormick Place Exposition Center and Hyatt Regency Hotel as well as 350 East Cermak. Thermal energy storage can reduce costs by running chillers during off-peak hours when power rates are lower.

This hallway provides a glimpse of the Gothic architecture that provides a sense of atmosphere not seen at most data center buildings.

The building may have its exterior flourishes, but underneath it’s industrial-strength infrastructure. This view of one of the four main risers provides a sense of the power and fiber infrastructure.













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