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USA โ€บ Illinois โ€บ Kendall County โ€บ Yorkville City
Being built

CyrusOne data center campus (Eldamain and Faxon roads, Yorkville)

Also called: CHI-11

CyrusOne is building up to nine two-story data center buildings on 228 acres at Eldamain and Faxon roads, over 10 to 20 years. The first building was planned to open in 2026.

โœ” ConfirmedSourceLast checked: Oct 7, 2026

Where things stand: City Council approved it in July 2024. Trackers list it as under construction.

๐Ÿ•’ Latest update (July 9, 2024): Yorkville City Council approved the CyrusOne campus and a development agreement.

What we know

  • ๐Ÿ“ WhereEldamain Road and Faxon Road, west side of Yorkville, Yorkville, Kendall County
  • ๐Ÿข CompanyCyrusOne (C1 Yorkville LLC)
  • ๐ŸŒณ Size228 acres
  • โšก Power it needs480 megawatts (about as much as 384,000 homes)
  • ๐Ÿ”Œ Where the power comes fromPlans include an on-site electrical substation.
  • ๐Ÿ’ธ Tax breaksCyrusOne pays for road work and for the city to bring water and sewer lines to the site.

โ“ Still unanswered

Nobody has answered these in public yet. Can you help find out?

What happened so far

  • July 9, 2024
    Yorkville City Council approved the CyrusOne campus and a development agreement.

Local votes and rules

โœ… Approved

City council unanimously approved the 1,037-acre Project Cardinal data center campus (14 buildings) north of Galena Road. Buildings are limited to 78 feet. They must sit 625 feet from Bristol Bay homes and 1,200 feet from Equestrian Estates.

Nov 10, 2025

โš–๏ธ Court case

A neighbor sued the city and developer Pioneer Development over Project Cardinal. The suit says the data center departs too far from the city plan, which marks the area for homes.

Nov 2025
๐Ÿ›ฐ๏ธ See it from above

An aerial photo of the area.

We only know the town, so this shows the town center, not the exact site. Photos: USGS The National Map.

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Where this comes from

  1. Yorkville City Council approves plan for 228-acre data center campus ยท Shaw Local (Kendall County Now) ยท July 15, 2024
  2. Yorkville City Council approves development agreement with CyrusOne for data center ยท WSPY News ยท July 2024
  3. CyrusOne CHI-11 Data Center Campus (480 MW, under construction) ยท Data Center Census ยท 2026

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