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3 data center projects in Yorkville City

Who decides here: the City Council of Yorkville City votes on zoning. The Kendall County may review big projects too.

In Yorkville City

Approved, not built yet

Project Cardinal data center campus (Yorkville)

Yorkville, Kendall County

1,037 acres

🕒 June 9, 2026: Developer asked the city to move its land-purchase deadline from July 1, 2026 to Dec. 31…

Approved, not built yet

Project Steel data center campus (Yorkville)

Yorkville, Kendall County

550 acres

🕒 March 2026: Yorkville City Council approved annexation, a planned development and a development agre…

Reported in the news, not confirmed yet

Being built

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

Yorkville, Kendall County

228 acres

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

Nearby (within 15 miles)

Proposedabout 6 miles away

Plano Skies data center campus (Savion, off Rock Creek Road)

Plano, Kendall County

🕒 2026: Savion showed City Council a plan adding data center buildings to its solar project; ald…

Reported in the news, not confirmed yet

Local votes and rules

✅ 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, 2025Source

⚖️ 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 2025Source
Built & runningBeing builtApproved, not built yetProposedStopped or cancelled

What you can do

  1. Get told first.
    We'll email you if anything changes in Yorkville City.
  2. Go to council meetings.
    Anyone can speak. Big projects usually need a public hearing.
  3. Ask questions in writing.
    Use our checklist.
📣 Report something here

🔔 Get told first

We'll email you when something changes in Yorkville City. Nothing else.

⚡ Your electric company

Depending on where you live in Yorkville City: Commonwealth Edison Co. (company) or Ameren Illinois Company (company).

Big data centers need a lot of power. Who pays for new power lines depends on state rules. See the rules in Illinois.

🙋 Open tasks here

  • Which company will use the data centers?
  • Did the City Council grant the land-purchase extension to Dec. 31, 2027?
  • Where does the 1,800 megawatts of power come from, and who pays for the new power lines?
  • How did the court rule on the neighbor's lawsuit?
  • Was a secret deal (NDA) signed with city officials?
  • How many megawatts of power will the campus use?
  • Which company will use the data centers?
  • Sources disagree on the number of buildings (16, 18 or 24). How many are planned?
  • Was a secret deal (NDA) signed with city officials?
  • How much water will the campus use per day?
  • Is the first building running yet?
  • Which company will use the data centers?

How to help →