CHICAGO--(BUSINESS WIRE)--ComEd today announced it has livened an expansion of its 765 kilovolt (765 kV) Wilton Center substation in southern Will County. The substation expansion is a necessary upgrade to enable the largest cluster of utility-scale onshore wind and solar projects to be interconnected to the ComEd grid and in the PJM energy market starting in 2026. "The livening of the Wilton Center expansion project marks a major milestone,†said ComEd President and CEO Gil Quiniones. "The expansion will en ...