Musk’s xAI is being sued over its data center generators. Now, it’s buying $2.8B more.

Elon Musk's artificial intelligence startup, xAI, plans to purchase $2.8 billion in natural gas turbines over the next three years to power its data center infrastructure, according to a SpaceX IPO filing released on Wednesday. The massive capital commitment comes despite an active lawsuit from environmental and civil rights advocates over the company's current use of unpermitted generators in Memphis, Tennessee.

The planned acquisition, detailed in SpaceX's financial disclosures, includes a $2 billion agreement specifically dedicated to "mobile gas turbines." These are the exact same type of industrial generators that have drawn fierce local opposition and regulatory scrutiny in Tennessee, where xAI has rapidly scaled its "Colossus" supercomputer cluster.

Details of the $2.8 billion turbine purchase

The financial details emerged unexpectedly through SpaceX's initial public offering documentation. Because of close operational and financial ties between Musk's various ventures, SpaceX disclosed that xAI will acquire the massive inventory of natural gas turbines to secure electricity for its energy-hungry artificial intelligence training clusters.

The largest portion of the expenditure is a single $2 billion contract. This contract specifically covers "mobile gas turbines," which are designed to be deployed quickly to sites lacking sufficient grid connection. The remaining $800 million will fund associated turbine infrastructure over the three-year period.

The Memphis environmental lawsuit

The multi-billion-dollar expansion plan lands amid escalating legal trouble for xAI's existing operations. Last month, the National Association for the Advancement of Colored People (NAACP) filed a lawsuit against xAI in federal court. The civil rights organization is seeking an immediate injunction to halt the company's use of gas-powered generators at its Memphis data center.

The civil rights group alleges that xAI has been operating dozens of unregulated gas turbines that severely threaten public health. The facility is located in a predominantly Black neighborhood of Memphis that already suffers from high levels of industrial air pollution. Local advocates argue the added emissions represent a clear case of environmental injustice.

Permit disputes and mobile loopholes

The regulatory battle centers on how many turbines xAI is running and whether they require formal environmental permits. Local regulators have officially granted xAI permits to operate 15 natural gas turbines at the site. However, environmental groups discovered that the company was actually running 46 turbines simultaneously to power its supercomputer.

To justify the extra generators, xAI has relied on a regulatory gray area. The company claims it can operate the additional turbines for up to a year without local air quality permits because the units are "mobile." Because the generators remain mounted on the trailers they were shipped on, xAI argues they do not qualify as permanent stationary sources of pollution.

Environmental impact of NOx emissions

Local community groups and environmental scientists have challenged this characterization, pointing to the sheer volume of pollution the trailers generate. Each of the mobile turbine models xAI operates has the potential to emit more than 2,000 tons of nitrogen oxides (NOx) annually. NOx is a primary component in the formation of ground-level ozone and smog.

These chemical compounds are known triggers for severe respiratory issues, including asthma and chronic bronchitis. Critics argue that keeping the turbines on trailers does nothing to mitigate the physical exhaust entering the surrounding neighborhood. The massive new $2.8 billion purchase indicates that xAI intends to double down on this controversial power generation strategy.