AWS Project Rainier — St. Joseph County Site
- Headline capacity
- Not established in published records
- Updated
- Oct 28, 2026
- Utility
- Indiana Michigan Power
Amazon Web Services identifies St. Joseph County, Indiana as one site in Project Rainier, its multi-data center AI training system for Anthropic. The broader system uses more than 500,000 Trainium2 chips, while Indiana announced an $11 billion AWS campus investment. A site-specific IT-capacity figure for the St. Joseph County record has not been publicly disclosed.
Capacity
Rainier chip count
Actual company reportedNearly 500000 Trainium2 chips
AWS New Carlisle / Project Rainier Indiana · Project
Compute quantity or benchmark; not power capacity
SourceAws water use efficiency
Fleet metric not site specific0.15 liters/kWh
AWS New Carlisle / Project Rainier Indiana · Project
Energy quantity; not power capacity
SourceOperating IT capacity: Not established in published records
A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.
Development
AWS Project Rainier — St. Joseph County Site: Operating campus and expansion.
Milestones (2)
Date not disclosed · Event timing type not established
In progress · Announced
Source not linkedDate not disclosed · Event timing type not established
In progress · Status changed
Source not linkedParticipants
Developer · Operator · Campus developer operator and compute provider
Sources by role
Developer / Operator (1)
- AWS Project Rainier AI compute cluster · Primary
Customer · Principal compute customer
Sources by role
Customer (1)
- AWS Project Rainier AI compute cluster · Primary
Other participants (3)
Electric utility
State incentive authority
Local jurisdiction
Capital & incentives
Capital claims and financing records may overlap. Their amounts are not added together.
Capital claims
Indiana investment
Announced$11,000,000,000
AWS New Carlisle / Project Rainier Indiana · Project
SourceData center sales tax exemption term
Incentive50 years
AWS New Carlisle / Project Rainier Indiana · Project
SourceHeadcount tax credits
Performance based maximum$18,300,000
AWS New Carlisle / Project Rainier Indiana · Project
SourceTraining grants
Performance based maximum$5,000,000
AWS New Carlisle / Project Rainier Indiana · Project
SourceHoosier business investment credits
Performance based maximum$55,000,000
AWS New Carlisle / Project Rainier Indiana · Project
SourceRedevelopment tax credits
Performance based maximum$20,000,000
AWS New Carlisle / Project Rainier Indiana · Project
SourceRoad contribution
Committed maximum$7,000,000
AWS New Carlisle / Project Rainier Indiana · Project
SourceFinancing records
Investment commitment
$11bnApr 25, 2024
AWS announced $11 billion for a New Carlisle data center campus, conditional on long-term energy service agreements. This is a planned capital investment, not a loan.
Parties & sources
Amazon Web Services (Sponsor)
Sources (1)
- AWS plans $11B northern Indiana data center campus · Apr 25, 2024
Hoosier business investment credits
$55mApr 25, 2024
Parties & sources
Counterparties not specified. Scope not specified.
Sources (1)
- AWS plans $11B northern Indiana data center campus · Apr 25, 2024
Incentives
Headcount tax credits
Performance based maximum
Training grants
Performance based maximum
Redevelopment tax credits
Performance based maximum
Site & development
Development scale
ActualAmazon Web Services identifies St. Joseph County, Indiana as one site in Project Rainier, its multi data center AI training system for Anthropic
SourceTechnical specifications
Cooling no water months
DesignOctober through March months
AWS New Carlisle / Project Rainier Indiana · Project
SourceAdditional project facts
Infrastructure & permits
Technical details (4)
Planned or represented
Project power infrastructure.
Planned or represented
Joseph County record has not been publicly disclosed.
Design
October through March
Fleet metric not site specific
0.15 liters/kWh
Project map
Public-source research. Plans may change. See Evidence for sources and qualifications.
Related projects (3)
Proposed · Hobart, Indiana, United States
Shared participant: Amazon Web Services · Same market: Indiana, United States
Compare in a collectionStatus under review · Northern Indiana, Indiana, United States
Shared participant: Amazon Web Services · Same market: Indiana, United States
Compare in a collectionUnder construction · Lebanon; LEAP Lebanon Innovation District, Indiana, United States
Shared participant: Indiana Economic Development Corporation · Same market: Indiana, United States
Compare in a collection