CME futures trading floor to be converted to ComEd substation; construction to start in 2023

333 s lasalle chicago

The building that housed the Chicago Board of Trade’s largest futures trading floor has been sold to Commonwealth Edison and will be converted into an electrical utility substation.

ComEd purchased the 300,000 sq. ft. building at 333 S. La Salle St. for $39.5 million from CME Group, with the deal closing in November, the Chicago Sun-Times has reported.

The former futures trading pits have disappeared as online transactions (powered with electricity from ComEd) replaced the them.

ComEd spokesman John Schoen said the five-story renovated building will accommodate “a new substation and potential corporate administrative office space.”

“All construction work will take place in the interior of the building. The facade will remain essentially as is.”

The newspaper quoted Schoen as saying that construction will start late in 2023, with the substation expected to be in service in 2026.


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