Colossus
Data center project in Memphis, Tennessee
Colossus is a data center project in Memphis, Tennessee, under construction, developed by xAI, with a stated size of 2 GW. Last reported November 7, 2026, from 10 sources.
- Status
- Under construction
- Developer
- xAI
- Location
- Memphis, Tennessee
- Stated size
- 2 GW
- Last reported
- ·
- Sources
- 10 sources
- Other companies on the job
- 19 companies named, on Ultra
Is it moving?
Every record shows two dates: the one the source gives, and the day Spezia last checked it. How the dates work
Permits and filings
- ZoningZoning · Substitute Ordinance No. 5988 · ailawsusa.com ↗
- One-year data center rezoning/site plan/building permit pauseZoning · Under review · globaldatacenters.net ↗
- ZoningZoning · Under review · tri-statedefender.com ↗
- Air permitAir permit · Mississippi Environmental Quality Permit Board · aigridwatch.com ↗
- Environmental reviewEnvironmental review · U.S. District Court for the Northern District of Mississippi · aigridwatch.com ↗
- NAACP preliminary injunction request on Southaven gas turbinesEnvironmental review · U.S. District Court for the Northern District of Mississippi · aigridwatch.com ↗
- MDEQ agreed order on retirement of 69 temporary turbinesEnvironmental review · Mississippi Department of Environmental Quality · aigridwatch.com ↗
What the sources say
Reported
“xAI is expanding its Colossus complex to nearly 2 GW of power capacity and 1 million GPUs by adding a third facility in Southaven.”
Status
“xAI has purchased a third facility in Southaven, Mississippi, to push its total computing capacity to nearly 2 gigawatts.”
Size
“xAI is expanding its Colossus complex to nearly 2 GW of power capacity and 1 million GPUs”
Reported
“xAI built the first phase of its Colossus supercomputer in 122 days”
Size
“including one near Southaven, Miss., with 2 GW of planned power”
Status
“Colossus went into a former Electrolux factory in 123 days”
Reported
“the Colossus facility near Boxtown”
Capacity
2,000 MW
Colossus 1 power
340 MW
Colossus 2 power
946 MW
Planned power plant
1.2 gigawatt
New building (Colossus 2 adjacent)
$659.3 million, 75-foot, four-story, ~312,000 sq ft
Launch
2023
Employees
3,000 employees
Truck traffic
lower vehicular traffic patterns
Reports behind this page
- xAI Colossus Expansion: 2 GW Capacity and 1 Million GPUs - airtrain.ai · airtrain.ai ·
- ENR Sections • Spotlight on Data Centers – Construction & Technology • The Speed of Data · digital.enr.com ·
- The Mechanical Contractor That Turned a Factory Into Colossus in 123 Days Has Filed $137 Million in Liens. It Owes Its Own Subcontractors $200 Million. · thecoolingreport.com ·
- Contractor who built Colossus and Colossus II says Elon Musk owes him colossal amount of money · kfvs12.com ·
What the full file adds
- General contractor1 named
- Electrical contractor1 named
- Mechanical contractorOpen: not named yet
- Engineering and commissioningOpen: not named yet
- Power and cooling equipmentOpen: not named yet
- Utility and power supply4 named
- Tenant2 named
- Investors and lenders2 named
- Named builders, suppliers and partners19 companies named on this job besides the developer, each with its source.Ultra
- Buying stage by tradeWhen the electrical, mechanical and other trade work on this job is likely to be bought.Ultra
- ContactsSenior people at the companies on this job, where public pages name them.Ultra
- Who pays whom8 deals on file: equity, loans, leases, power or equipment, each with its source.Ultra
- Video and satellite readingsHow busy the site looks, wherever public drone or news footage or a satellite image of it is found.Ultra
- Spezia's read of the projectIts construction phase, how likely it is to be built and what is holding it back.Ultra
- AlertsAn email the day this project moves.Ultra
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Other data centers in Memphis and Tennessee
- 5C Data Centers Memphis AI Factory Campus (MEM01)Under constructionSame town · Memphis5C Data Centers84 MW
- St. Jude Building Z - Phase 3 ExpansionApprovedSame town · MemphisDeveloper not namedSize not stated
- xAI Colossus 2 (Memphis)UnknownSame town · MemphisxAI1 GW
- Colossus 2OperationalSame town · MemphisxAI946 MW
- xAI Colossus (South Memphis)OperationalSame town · MemphisxAI Corp.422 MW
- xAI Colossus 2UnknownSame town · MemphisxAI400 MW
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