US utility ComEd jolts Illinois wind and solar ambitions with major substation upgrade

The state's largest utility will expand a 765kV substation to enable 2.45GW of new renewable capacity

CommonwealthEdison CEO Gil Quiniones. — CommonwealthEdison CEO Gil Quiniones.Foto: US Department of Energy

Richard Kessler

Americas US Illinois Joe Biden

Published 20 December 2023, 19:40Updated 20 December 2023, 23:55