Industry Newssupercomputingdata centersxaienvironmental justice
xAI Builds $20 Billion Data Center in Mississippi
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Elon Musk's xAI plans to spend $20 billion to build the 'MACROHARDRR' data center in Southaven, Mississippi, Gov. Tate Reeves announced on Jan. 9, 2026. xAI CFO Anthony Armstrong said the cluster will house "the world's largest supercomputer" delivering 2 gigawatts of power, while state incentives waive sales, income and franchise taxes. The project prompted environmental justice concerns from the NAACP and SELC and a local petition exceeding 900 signatures.
Scoring Rationale
Major investment and claim of world’s largest supercomputer; limited by local environmental concerns and tax-incentive opacity.
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