On Monday, Mayor Patrick Collins of Cheyenne, Wyoming, announced plans for an AI data center that would consume more electricity than all homes in the state combined, according to The Associated Press. The facility, a joint venture between energy infrastructure company Tallgrass and AI data center developer Crusoe, would start at 1.8 gigawatts and scale up to 10 gigawatts of power use.

The project's energy demands are difficult to overstate for Wyoming, the least populous US state. The initial 1.8-gigawatt phase, consuming 15.8 terawatt-hours (TWh) annually, is more than five times the electricity used by every household in the state combined. That figure represents 91 percent of the 17.3 TWh currently consumed by all of Wyoming's residential, commercial, and industrial sectors combined. At its full 10-gigawatt capacity, the proposed data center would consume 87.6 TWh of electricity annually—double the 43.2 TWh the entire state currently generates.

Because drawing this much power from the public grid is untenable, the project will rely on its own dedicated gas generation and renewable energy sources, according to Collins and company officials. However, this massive local demand for electricity—even if self-generated—represents a fundamental shift for a state that currently sends nearly 60 percent of its generated power to other states.

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After months of backlash over alleged pollution concerns, xAI has finally secured an air permit covering some of the methane gas turbines powering its Colossus supercomputer data center in Memphis, Tennessee.

On Wednesday, the Shelby County Health Department granted xAI an air permit that allows it to power 15 gas turbines while adhering to a range of restrictions designed to minimize emissions. Expiring on January 2, 2027, the permit requires xAI to install and operate the best available control technology (BACT) by September 1 to ensure emissions do not exceed certain limits.

Any failure to comply could trigger enforcement actions by the Environmental Protection Agency or the county health department, the permit notes.

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Elon Musk raced to build Colossus, the world's largest supercomputer, in Memphis, Tennessee. He bragged that construction only took 122 days and expected that his biggest AI rivals would struggle to catch up.

To leap ahead, his firm xAI "removed whatever was unnecessary" to complete the build, questioning "everything" that might delay operations and taking the timeline "into our own hands," xAI's website said.

Now, xAI is facing calls to shut down gas turbines that power the supercomputer, as Memphis residents in historically Black communities—which have long suffered from industrial pollution causing poor air quality and decreasing life expectancy—allege that xAI has been secretly running more turbines than the local government knows, without permits.

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Microsoft has pulled back on data center projects around the world, Bloomberg reports, suggesting that the company is wary of expanding its cloud computing infrastructure too rapidly. Microsoft has halted talks for or delayed development sites of data centers in the U.K., Australia, North Dakota, Wisconsin, and Illinois, per Bloomberg. A spokesperson told the publication […]