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Commonwealth Edison (ComEd) has finalized agreements with eight data center developers, requiring over $2 billion in nonrefundable payments to connect these projects to the local power grid. This signals a significant increase in data center demand in Illinois, with a second grouping of 15 projects expected to consume 10,000 megawatts.

The first data centers are anticipated to begin operations as early as 2028. Current power generation in northern Illinois exceeds consumption by 5,000 megawatts, but the new demand could absorb this excess.

This raises concerns over electricity prices for consumers, particularly as ComEd rates have already increased due to capacity payment spikes linked to data center consumption. Governor JB Pritzker has amended the Climate & Equitable Jobs Act to provide regulators with more flexibility in transitioning from fossil fuels and has lifted a ban on new nuclear plants, which could help meet future electricity demands. Lawmakers are urged to ensure existing ratepayers are not financially burdened by these developments.