AWS Trenton / Butler County Campus

AI data center in Trenton (Madison and St. Clair townships), OH, United States: paused.

Status: Paused

Paused: Madison Township trustees rejected Trenton's annexation petition on August 25, 2026 (WVXU). Trenton then withdrew the petition and the Butler County hearing was canceled, leaving the annexation the campus needs on hold (WCPO, September 15, 2026). The petitioners reserve the right to file again, and Trenton voters decide in November on a ban on data centers of 25 MW or more. Cincinnati Business Courier reports a $5B investment (not confirmed in the source we read). Distinct from the Prologis Trenton (Project Mila) campus, a four-building campus DCD says has Amazon as end user. Source: WCPO, 2026-09-15.

Paused and cancelled projects stay listed in the directory but are not counted in state totals, capacity totals or rankings.

AWS Trenton / Butler County Campus is a AI data center project located in Trenton (Madison and St. Clair townships), OH, United States, currently paused. It was being developed by Amazon Web Services. This project is one of thousands of data-center facilities tracked by Data Center Index across OH, United States, covering operational, under-construction, announced, and permitted sites.

Project description

AWS plans an 18-building campus on a 601-acre site along Wayne Madison Road and Hawkins Road, near a Duke Energy substation and the 692 MW Madison gas plant. Each building would be about 220,000 sq ft, for 3.96M sq ft total. The land was being annexed into Trenton.

Related data center projects

Frequently asked questions

What is AWS Trenton / Butler County Campus?
AWS Trenton / Butler County Campus is an AI data center project in Trenton (Madison and St. Clair townships), Ohio tracked by Data Center Index. Its status is paused. A paused campus stays listed with its source, but is never counted in state totals, capacity totals or rankings.
Where is AWS Trenton / Butler County Campus?
AWS Trenton / Butler County Campus is in Trenton (Madison and St. Clair townships), Ohio. Every tracked Ohio campus, with counts and capacity, is at https://datacenterindex.ai/markets/ohio.
Who is building AWS Trenton / Butler County Campus?
Amazon Web Services was developing AWS Trenton / Butler County Campus.

Sources

  1. Amazon plans 18-building campus outside Cincinnati, Ohio (datacenterdynamics.com · press · 2026-08-13)
  2. WVXU (Cincinnati Public Radio) (wvxu.org · press · 2026-08-25)
  3. Public hearing canceled after Trenton withdraws annexation petition for proposed Amazon data center (wcpo.com · press · 2026-09-15)
  4. WKRC Local 12 / Cincinnati Business Courier (local12.com · press · 2026-10-07)