xAI Colossus 2

Training cluster spanning Memphis, Tennessee and Southaven, Mississippi, generating power on site rather than waiting for utility interconnection.

Under constructionGPU clusterLast verified 9 hours ago52

Key metrics

Physical construction has begun.

Power: 2,000 MWEstimated
Accelerators: 555,000Estimated
Capex: Not disclosed
Compute platform: Not disclosed
Floor area: Not disclosed
Cooling: Not disclosed
Power source: On-site generation
Utility: Not disclosed
Location: Memphis, Tennessee, United States

Confidence breakdown

Project confidence: 52/100
Claims with a source: 2/2 (100%)
Sources: 1
Primary sources: 0secondary only

Low2 (100%)

Timeline

AnnouncedJun 2025
Expected openingDec 2027
Actual openingNot disclosed

Supplier ecosystem

No companies linked to this project yet.

Evidence — every claim and what backs it

2 claims · 1 source

Metric	Value	Confidence	As of	Basis / methodology	Source
Power	2,000 MW	Low	Not disclosed	Reported target capacity. Single secondary source; xAI publishes little. Treat as directional.	NextBigFuture
GPU count	555,000 GPUs

Sources

Major AI Data Center Build Projects — Timelines, Status 2026–2028Industry report
NextBigFuture · Not disclosed · accessed Jul 26, 2026
Trade-press compilation of announced capacity. Figures require primary-source confirmation.
Open source
Reliability
55/100

Analyst notes

On-site generation is the defining feature: the site sidesteps the interconnection queue, which is why its timeline is faster than grid-dependent peers.

Revision history

Created from NextBigFuture reporting.
Jul 26, 2026
System

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