Data center campus
xAI Colossus (Memphis)
xAI Colossus is an announced AI data center campus. 2 GW of capacity has been announced; 1 GW is energized. The gap is what this page tracks: what is claimed versus what is actually built, each figure dated and sourced.
Partially energized · Former industrial site · Memphis, Tennessee, United States
Capacity: announced vs energized
Announced-to-energized gap: 1 GW. Every figure below is a single dated, sourced claim. Current best per series resolves by evidence tier, then date. See the methodology.
| Source | ||||
|---|---|---|---|---|
| Announced | 2 GW | 2026-01-15 | claimed | press release |
| Energized | 1 GW | 2026-06-30 | reported | journalist report |
The deal
- developer
- xAI · Owner and operator.
- chip supplier
- Nvidia · 555,000 Nvidia GPUs at full 2 GW.
- utility
- Solaris Energy Infrastructure · On-site gas turbine fleet powering the campus behind the meter.
Power
- Power source
- behind the meter gas
- Interconnection
Solaris on-site gas turbines, 1.10 GW gas, Under construction. About 400 MW currently serving xAI; Solaris expects over 1.1 GW operating for xAI by Q2 2027.
Financial structure
- Reported buildout cost
- $18B journalist report
Sources
- xAI Colossus Hits 2 GW: 555,000 GPUs, $18B · Introl
- xAI's Colossus 2: First Gigawatt Datacenter · SemiAnalysis
c174e6dd-1a31-4984-be75-5ca3adf7aafa · Tracked with DEPLOY's verified-vs-claimed methodology. Announced numbers are claims, not built capacity.