Development

Project Rainier becomes the world's largest datacenter

development2026-01-10

Claim

Epoch AI identified Anthropic's Project Rainier in Indiana as the world's largest data center at 750 MW and heading past a gigawatt.

Reported metric: 750 MW

Reporting date: 2026-01-10 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to January 10, 2026 (theinnermostloop.substack.com)

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Project Rainier

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Welcome to January 10, 2026

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Evidence for

Supersedes

xAI puts $20B into a Mississippi datacenter

Referenced by

Welcome to January 10, 2026

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Citation formatCitation text

Project Rainier becomes the world's largest datacenter
Innermost Loop KB — secondary record
Reporting date: 2026-01-10
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-01-10-project-rainier-750mw
Claim: Epoch AI identified Anthropic's Project Rainier in Indiana as the world's largest data center at 750 MW and heading past a gigawatt.
Attributed sources:
- Welcome to January 10, 2026 — https://theinnermostloop.substack.com/p/welcome-to-january-10-2026
This citation does not imply independent verification of linked-source claims.

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