House Energy Committee demands SpaceX tour of Memphis AI data centers; alleges unpermitted gas turbines, no pollution controls

Rep. Frank Pallone (D-NJ), ranking member of the House Committee on Energy and Commerce, issued a formal demand to SpaceX CEO Elon Musk for records and an on-site tour of xAI's Colossus and Colossus 2 data centers in Memphis, Tennessee. The July 29 letter alleges that SpaceX and xAI have created "a massive health risk" to the Memphis region by deploying off-grid natural gas-burning turbines for backup power without proper permits or pollution controls. Pallone wrote: "Electricity prices are skyrocketing, the electric grid is strained, our clean air and water are being polluted, and noise is wearing on communities' health and patience." The Colossus facilities house cutting-edge Nvidia processors and were built by xAI before SpaceX acquired Musk's startup.

The facilities are central to SpaceX's AI strategy as the company competes with OpenAI and Anthropic. xAI runs the Grok chatbot and image-generation models from these sites. Public opposition to AI data center construction has surged: a Gallop survey in May 2026 found that 70% of Americans oppose AI data center construction in their local area, with 48% strongly opposed. SpaceX faces a legal battle: environmental advocates and the NAACP filed suit in Mississippi to stop the alleged unlawful use of air-polluting turbines. The Trump Department of Justice filed a motion to intervene and help xAI defend against the suit—a move Pallone criticized as the Trump Administration bending over backward to give tech companies a free pass.

Why it matters: this is a clash between infrastructure urgency and environmental accountability. Data center power demand is real and massive. But the alleged lack of permits and pollution controls signals regulatory arbitrage—companies betting that emergency-deployment logic (xAI needed power fast) overrides normal environmental due diligence. New Jersey Gov. Mikie Sherrill (D) enacted legislation requiring data centers to pay fair-share electricity costs, signaling states are stepping in where federal oversight is perceived as lax. For builders: Memphis signals that community opposition and regulatory backlash are now first-class infrastructure risks.