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Data center project · St. Joseph County, Indiana

AWS New Carlisle campus (Project Rainier)

Operating · Amazon's $11 billion AI campus near New Carlisle was the largest capital investment in state history and now hosts Anthropic's Project Rainier Trainium cluster. Also known as: Project Rainier, Indiana Enterprise Center.

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Status
Operating · as of Oct. 29, 2025
Location
New Carlisle, Indiana Enterprise Center (about 10 miles west of South Bend) · St. Joseph County
Status note
First seven buildings were running by late October 2025; more buildings are under construction or planned.
Power
2,200 MW
Converge Digest reported a 2.2 GW full build of about 30 buildings. Epoch AI, citing air permits, gives about 2.3 GW total facility power and estimates 910 MW of IT load now, rising to about 1,925 MW by 2028. Treat 2.2-2.3 GW as the range.
Land
1,200 acres
Investment
$11 billion (announced April 2024)
Developer and team
Amazon Web Services
End user
Anthropic (Project Rainier); AWS
Utility
Indiana Michigan Power (AEP)
Water
AWS says it uses mostly air cooling and needs water less than 2% of the year. It committed $114 million to water and sewer improvements.
Incentives
IEDC: nearly $150 million in performance-based incentives (including up to $18.3M in worker tax credits, $5M in training grants, $55M in Hoosier Business Investment credits and $20M in redevelopment credits) plus a long-term sales tax exemption. Converge Digest also reports $4 billion in local property and technology tax abatements over 35 years.
Evidence
News reports; primary records not yet obtained
Size class
50 MW or more (tracker scope)
Map position approximate, from the reported address or area. Updated Oct. 17, 2026.

Updates, newest first

  1. July 15, 2026 An Epoch AI tracker update lists buildings 1-16 as operating, with more projected for October 2026 and March 2028. (Epoch AI (data center directory), July 15, 2026)
  2. Oct. 29, 2025 AWS turns on Project Rainier: seven buildings holding nearly 500,000 Trainium2 chips, used to train and run Anthropic's models. (Converge Digest, Oct. 29, 2025)
  3. April 25, 2024 AWS announces an $11 billion data center campus in the Indiana Enterprise Center near New Carlisle, backed by IEDC incentives of nearly $150 million. (Inside INdiana Business, April 25, 2024)

Conflicts and open questions

  • Acreage is disputed: Converge Digest reports 1,200 acres, while a July 2026 CAC presentation cites about 2,000 acres.
  • The CAC presentation says construction dewatering could pump out up to 19 billion gallons; this is an advocacy estimate and was not independently verified.
  • Building-by-building status comes from Epoch AI, a third-party tracker, and is not an Amazon disclosure.

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