Malachi.Energy

SpaceXAI Colossus

Operational

SpaceXAI · Memphis, TN

Maintained and reviewed by Malachi Rein, LEED AP BD+CDataset version

Summary

SpaceXAI Colossus in Memphis, TN is planned at 2.0 GW and about $18 billion, and is operational, with a 2026 target as of September 2026. It ranks 12th of 54 tracked US mega projects by planned capacity, 1.8% of the 109.2 GW national total. The capacity figure is press or analyst reported; the investment figure is press reported. Confidence is medium: one figure is reported, estimated, or scoped differently than the campus. It is the only mega project Malachi.Energy tracks in Tennessee.

Key figures

Planned capacity

2.0 GW

Press or analyst reported

Announced investment

$18 billion

Press reported

Status

Operational

As of September 2026

Target year

2026

First load or full build per source

Where the figures come from

Capacity basis
Press or analyst reported
Investment basis
Press reported
Confidence
Medium: one figure is reported, estimated, or scoped differently than the campus.
Counted in headline totals
Yes. The investment figure is not developer-stated campus cost, so it is listed as announced rather than comparable spend.
Primary source
Introl, January 2026
Last verified
, dataset version 2026-09-14. Re-checked at every data refresh.

Basis and confidence definitions are in the directory methodology.

What is known

Flagship AI supercomputer campus in Memphis, now under SpaceXAI after SpaceX absorbed xAI in February 2026. Colossus 2 went live in January 2026; Anthropic leases all of Colossus 1 (300+ MW) from May 2026, and a fourth Memphis hall was announced in July 2026.

Location

Site
Memphis, TN
Coordinates
35.15, -90.05
State directory
Data centers in Tennessee (28 verified facilities)

Other tracked projects in Tennessee

This is the only mega project Malachi.Energy tracks in Tennessee.

Cite this record

Rein, Malachi (2026). SpaceXAI Colossus (Memphis, TN). In US Data Center Directory, dataset version 2026-09-14. Malachi.Energy. https://malachi.energy/data-centers/projects/xai-colossus-memphis

@misc{malachienergy_xai_colossus_memphis_2026,
  author = {Rein, Malachi},
  title = {SpaceXAI Colossus (Memphis, TN)},
  howpublished = {US Data Center Directory, Malachi.Energy},
  year = {2026},
  note = {Dataset version 2026-09-14. Capacity basis: Press or analyst reported. Investment basis: Press reported.},
  url = {https://malachi.energy/data-centers/projects/xai-colossus-memphis}
}

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Figures are planned capacity and announced investment from public filings and reporting, not delivered power or audited spend. Capacity basis: press or analyst reported. Investment basis: press reported. Dataset version . Maintained by Malachi Rein for Malachi.Energy.