No project in Mason City, but 3 nearby
Who decides here: the City Council of Mason City votes on zoning. The Warren County may review big projects too.
Nearby (within 15 miles)
Being builtabout 12 miles away
Project Mila data center campus (Trenton)
Trenton, Butler County
141 acres · for Amazon Web Services (expected, per WVXU)
🕒 Sept 3, 2026: Ohio Supreme Court ordered Trenton to let voters decide a proposed ban on new data cente…
Proposedabout 14 miles awayAmazon data center campus south of Trenton (Madison and St. Clair townships)
Madison, Butler County
601 acres · for Amazon
🕒 Aug 27, 2026: St. Clair and Madison township leaders rejected the petition to annex the land into Tren…
Status unclearabout 15 miles awayHamilton data center at 1380 University Blvd.
Hamilton, Butler County
🕒 Jan 15, 2026: The developer asked the city to pause power studies while it decides next steps.
Local votes and rules
Built & runningBeing builtApproved, not built yetProposedStopped or cancelled
What you can do
- Get told first.
We'll email you if anything changes in Mason City. - Go to council meetings.
Anyone can speak. Big projects usually need a public hearing. - Ask questions in writing.
Use our checklist.
🔔 Get told first
⚡ Your electric company
Duke Energy Ohio Inc. (company).
Big data centers need a lot of power. Who pays for new power lines depends on state rules. See the rules in Ohio.