xAI Colossus 2 (with MACROHARDRR expansion)
Southaven, DeSoto County, MS
xAI Colossus 2 (with MACROHARDRR expansion) is under construction in Southaven, MS. Reported capacity is 2,000 MW, with an estimated investment of $20 billion on a site of about 18 acres. $20B DeSoto County investment, largest private investment in Mississippi history; third building bought Dec 2025 takes cluster toward ~2GW; ex-Duke Energy gas plant acquired for power.
- 2,000 MWPlanned capacity
- 18 acresSite size
Project status
- Announced Jan 8, 2026
- Permitting
- Under construction
- Operational
Recorded changes
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Community sentiment
Should this project be built?
What’s next
Election Day is in 10 days.
2:00 AM · MS
DeSoto County: Board of Supervisors Meeting
Latest news
Records and documentation
- Air Pollution Control Permit PER20250001 (MZX Tech / xAI, 41 gas turbines, Southaven)Mississippi DEQ Permit Board approved (Mar 10, 2026) authorizing xAI affiliate MZX Tech LLC to install/operate 41 gas turbines for the Colossus 2 facility at 2875 Stanton Road, Southaven. Later appealed by NAACP/SELC.Download
- Southaven Board of Aldermen zoning/site plan approval for new MZX Tech (xAI) data center, 8325 Tulane RoadBoard of Aldermen (~Sep 2, 2026) approved a parcel-line removal and site-plan changes for a 660,000 sq ft facility on a former city training-facility site (acquired via a $40M land swap). The city's own meeting-packet PDF at southaven.org/530/Meeting-Packets was not directly retrievable; this is news coverage of the vote.Download
- Mississippi Development Authority announcement of xAI's $20B+ Southaven investmentState agency confirmation that xAI's investment qualifies for Mississippi's standard Data Center Incentive (sales/use tax exemption); notes city and county are separately handling fee-in-lieu agreements, no bespoke state incentive beyond what's already codified.Download
Mississippi state legislation
- S3639 - Expedited nuclear-powered data center permittingCreates expedited approval and permitting procedures for AI data centers powered by small modular nuclear reactors.Download
Site details
- Operator
- xAI
- County
- DeSoto County, MS
- Capacity
- 2,000 MW
- Size
- 18 acres
- Address
- Southaven, MS
- Stage
- Under construction
Map
Photos
Google Street View
Google Street View
Google Street View
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