phase 3
OH-DC-0027
Prologis Project Mila Data Center Campus
Campus: Project Mila
Owner
Prologis
Operator
Prologis (developer)
Primary use
hyperscale
Power
250 MW
campus total capacity (developer-stated)
Size
899,065 sq ft
Land area
141.00 acres
In service
January 2028
(expected)
Location
Trenton, Butler
Timeline
- land acquired $7.75M 2025-10 (unknown)
- zoning amendments 2025-03 (unknown)
- substation grading started 2025-12 (unknown)
- site plan approved unanimously 2026-03-30 (unknown)
- Woodsdale substation OPSB pending (unknown)
- first building start 2026 (unknown)
- first building launch 2028 (unknown)
- full buildout 2029 (unknown)
Sources
Industry reporting
Other
- https://www.wvxu.org/local-news/2026-03-25/data-center-trenton-plans-pushback
- https://www.wvxu.org/local-news/2026-03-30/trenton-planning-commission-approves-site-plan-data-center
- https://www.journal-news.com/news/proposed-data-center-could-be-one-of-ohios-biggest-power-guzzlers/PIHRA4ZAGJC75OTEGK5EPR3VIY/
- https://www.duke-energy.com/Our-Company/About-Us/Electric-Transmission-Projects/Woodsdale
- https://www.wcpo.com/news/local-news/butler-county/trenton/trenton-planning-commission-approves-data-center-site-plan-in-10-minute-meeting
Data confidence
Location
High
Owner Operator
High
Phase
High
Mw
High
Sqft
High
In Service
Medium
Buildings
High
Land Area
High
Primary Use
High
What we are still verifying
End-user tenant undisclosed. No behind-the-meter generation filed (full load on Duke Energy grid). Adjacent to Duke Woodsdale Generating Station (~570 MW gas peaker).
Spot an error? Email a correction with the record ID OH-DC-0027.