Predominantly Black communities
Incidents Harmed By
Incident 11449 Report
xAI Allegedly Operates Unpermitted Methane Turbines in Memphis to Power Supercomputer Colossus to Train Grok
2024-06-05
The xAI "Colossus" supercomputer facility in South Memphis allegedly runs 33 methane-powered turbines, despite a permit for only 15. The turbines reportedly power AI training for Grok. The facility's massive energy use and alleged unpermitted turbines reportedly produce extreme nitrogen oxide and formaldehyde emissions, adding toxic smog to a predominantly Black neighborhood already burdened by pollution and health risks.
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xAI Reportedly Operated Unpermitted Gas Turbines in Southaven, Mississippi, to Power Colossus 2 AI Data Center, Producing Air Pollution and Noise
2025-08-01
Beginning August 1, 2025, xAI reportedly began installing and later operating gas turbines in Southaven, Mississippi, to power its Colossus 2 AI data center in Memphis. 57 turbines were later reportedly identified at the site, while residents described persistent noise in nearby neighborhoods. Civil-rights groups allege the turbines required Clean Air Act permits and added harmful pollution near predominantly Black communities; Mississippi regulators maintain the temporary turbines did not require air permits.
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