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The latest deals show that the tech industry is moving forward on huge spending to build energy-hungry AI infrastructure, despite lingering financial concerns about a bubble, and of fast-rising electricity bills in the communities where they're constructed.

Anthropic, maker of the chatbot Claude, said it is working with London-based Fluidstack to build the new computing facilities to power its AI systems. It didn't disclose their exact locations or what source of electricity they will need.

Another company, cryptocurrency mining data center developer TeraWulf, has previously revealed it was working with Fluidstack on Google-backed data center projects in Texas and New York, on the shore of Lake Ontario. TeraWulf declined comment Wednesday.

A report last month from TD Cowen said that the leading cloud computing providers leased a “staggering” amount of U.S. data center capacity in the third fiscal quarter of this year, amounting to more than 7.4 gigawatts of energy, more than all of last year combined.

Oracle was securing the most capacity during that time, much of it supporting AI workloads for Anthropic's chief rival OpenAI, maker of ChatGPT. Google was second and Fluidstack came in third, ahead of Meta, Amazon, CoreWeave and Microsoft.

Anthropic said its projects will create about 800 permanent jobs and 2,400 construction jobs. It said in a statement that the “scale of this investment is necessary to meet the growing demand for Claude from hundreds of thousands of businesses while keeping our research at the frontier.”

Microsoft has branded its Atlanta data center as Fairwater 2, after the original Fairwater complex being built near Milwaukee, Wisconsin. The company said it will help power its own technology, along with OpenAI's and other AI developers. Microsoft was, until earlier this year, OpenAI's exclusive cloud computing provider before the two companies amended their partnership. OpenAI has since announced more than $1 trillion in infrastructure obligations, much of it tied to its Stargate project with partners Oracle and SoftBank.

The tech industry's huge amount of spending on computing infrastructure for AI startups that aren't yet profitable has fueled concerns about an AI investment bubble.

Investors have closely watched a series of intertwined deals over recent months between top AI developers such as OpenAI and Anthropic and the companies building the costly computer chips and data centers needed to power their AI products. Anthropic said it will continue to “prioritize cost-effective, capital-efficient approaches” to scaling up its business.