CyrusOne Yorkville Campus Phase 1

CyrusOne. Filed, 600 MW

CyrusOne has assembled roughly 228 acres in Kendall County for a Yorkville area data center campus planned at up to 600 megawatts, listed with an expected operational year of 2026. This is a separate CyrusOne project from the Pioneer Development and Prologis campuses also under review in Yorkville, and detailed public reporting on its exact site and permitting status is limited.

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Status: Filed
Operator: CyrusOne
Applicant on record: CyrusOne
Location: Yorkville, Kendall County, IL (approximate, city center)
Size: 600 MW, 228 acres
Cooling: Not reported
Utility: ComEd
Last updated: August 29, 2026

What happens next

Still to come: public hearings, a rezoning or permit vote, and a utility interconnection agreement.

Sources

CyrusOne Yorkville Campus Phase 1, Cleanview

What it would mean nearby

The cooling design has not been reported. If it uses evaporative cooling, a 600 MW facility would draw roughly 1.9 million to 6.8 million gallons of water a day, about what 21,900 households use.

This case does not change what a household pays today, but it is the main tool Illinois regulators are using to try to stop the cost of new grid equipment for data centers from landing on residential bills. ComEd annual reconciliation rate case (docket 25-0383) adds about $3.10 a month to a typical bill from January 2026. PJM capacity auction price spike hits ComEd supply charges adds about $10.50 a month to a typical bill from June 2025.

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