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USA › Illinois › St. Clair County › O'Fallon City

No project in O'Fallon City, but 2 nearby

Who decides here: the City Council of O'Fallon City votes on zoning. The St. Clair County may review big projects too.

Nearby (within 15 miles)

Stopped or cancelledabout 9 miles away

Cloverleaf data center plan in Troy (Project Beacon)

Troy, Madison County

for unknown (Cloverleaf sells ready sites to tech companies)

🕒 June 11, 2026: City staff said Troy will allow no hyperscale data centers and will cap them at 30 megaw…

Proposedabout 14 miles away

Cloverleaf data center concept in Edwardsville (New Poag Road)

Edwardsville, Madison County

🕒 Feb 21, 2026: Emails released to reporters showed months of detailed talks and a concept site plan.

Built & runningBeing builtApproved, not built yetProposedStopped or cancelled

What you can do

  1. Get told first.
    We'll email you if anything changes in O'Fallon 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 O'Fallon City. Nothing else.

⚡ Your electric company

Depending on where you live in O'Fallon City: Southwestern Electric Co-op Inc. (co-op (owned by its members)) or Ameren Illinois Company (company) or Clinton County Electric Co-op, Inc. (not available).

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