Illinois Commerce Commission Approves ComEd GRIT Transmission Project in Cook County and DuPage County
Business Wire•22/10/2026•14:40 ET
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Key Highlights
- ➤ICC approves ComEd’s GRIT transmission project in Cook and DuPage counties
- ➤GRIT includes four underground 138kV lines and one new substation
- ➤Construction begins this fall; project enters service in second quarter of 2029
- ➤New transmission ring will reroute power, improving grid reliability and resilience
- ➤Project addresses existing and new large-load demand near O’Hare
Expert Statements
David Perez, Executive Vice President and COO of ComEd
“The ICC’s approval of GRIT provides a clear path to make a critical investment in the transmission system serving one of northern Illinois’ most important economic corridors”
David Perez, Executive Vice President and COO of ComEd
“This project will give our operators greater flexibility to move power through the region, strengthen resilience during extreme weather and other unexpected events, and help ensure reliable service as communities and businesses grow.”
Illinois Commerce Commission Approves ComEd GRIT Transmission Project in Cook County and DuPage County
Underground transmission investment will strengthen reliability, add operational flexibility, and support economic growth near O’Hare
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