Added as on hold
Amazon Wayne Madison Road Data Center Campus
Amazon (filed as Amazon Web Services). On hold
Amazon Web Services is pursuing an estimated $5 billion, 18-building (about 3.96 million square foot) data center campus on roughly 601 acres straddling Wayne Madison Road in Madison and St. Clair townships near Trenton, Butler County; AWS says the site would use air cooling about 97% of the year. Property owners withdrew their annexation petition in September 2026 ahead of a scheduled county hearing, leaving the project in a holding pattern with the right to refile after November 10, even as AWS held a public open house in Trenton on October 15, 2026. Trenton voters will separately decide a November 3, 2026 ballot measure, Issue 17, that would ban new data centers using 25 megawatts or more within city limits.
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- Status
- On hold
- Operator
- Amazon
- Applicant on record
- Amazon Web Services
- Location
- Trenton, Butler County, OH
- Size
- MW not reported, 601 acres, 3,960,000 sq ft
- Cooling
- Air cooled
- Utility
- Not reported
- First reported
- 2025-10
- Last updated
- October 19, 2026
What happens next
Paused by the developer, a regulator, or a court. It could resume, be withdrawn, or be replaced by a new filing on the same land.
Sources
- $5 Billion 601-acre Amazon data center: Annexation Petition Withdrawn Ahead of Trenton Vote, Construction Review, 2026-09-17
- Amazon pitches 600-acre data center development in Butler County at open house, WCPO 9 Cincinnati, 2026-10-15
- Three developments to watch this week in Trenton's Amazon data center fight, WCPO 9 Cincinnati, 2026-10-13
History
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Common questions
Where is the Amazon Wayne Madison Road data center?
It is in Trenton, Butler County, OH.
Has the Amazon Wayne Madison Road data center been approved?
Not yet. It is on hold.
How big is the Amazon Wayne Madison Road data center?
Reported size: 601 acres, 3,960,000 square feet.
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