Big Tech AI Data Centers: Every US Campus From Meta, Microsoft, Amazon, Google, xAI and Anthropic

Outside the Stargate sites that OpenAI shares with Oracle and SoftBank, most of the US AI build-out belongs to six companies: Meta, Microsoft, Amazon, Google, Elon Musk's xAI (now part of SpaceX) and Anthropic. This post maps every major US campus they have announced, permitted, started or switched on, from the Hyperion data center in Louisiana to xAI's Colossus in Memphis, with location, capacity, money, power source and status as of November 15, 2026. It is the companion to our map of every Stargate site and feeds the master map of AI data centers under construction in the US.

The headline numbers: the six companies have attached public dollar figures of about $391 billion to the US campuses and state programs below, and the campus capacities they have disclosed add up to roughly 17 GW, a floor because Google and Amazon rarely publish megawatts. The largest of their campuses is Meta's Hyperion, now planned at 5 GW and more than $50 billion. The largest power plant is the Amazon-backed GW Ranch in Pecos County, Texas, permitted for 7.65 GW of gas turbines, more than any gas plant now operating in the US. Anthropic, which started with no buildings of its own, disclosed about $895 billion of compute and infrastructure commitments in the amended IPO filing it made on November 2, 2026, The Register reported.

Why big tech is building its own AI campuses

Frontier models now train on clusters too large for an ordinary data center. Most of these companies also rent from clouds and neoclouds, but the largest buyers now own their core sites, and their spending guidance shows it. Meta expects 2026 capital expenditures of $135-145 billion, including finance-lease principal. Microsoft spent $45.2 billion on capital expenditures and finance leases in the quarter to September 2026 and guided to more than $50 billion for the quarter to December. Power now sets the schedule: at least four campuses below are planned around private gas plants, and Hyperion relies on up to ten new utility gas plants.

The master map: big tech AI data centers at a glance

"Announced" means the company or a government partner published the figure; "reported" means press reporting the parties have not confirmed.

Big tech AI data centers by the numbers

These totals add up published figures. They mix campus budgets with multi-year statewide pledges, so each one is a floor:

• Meta: $73 billion or more (Hyperion $50B+, El Paso $10B, Lebanon $10B+, Tulsa, Beaver Dam and Kansas City about $1B each).
• Amazon: $110 billion (Indiana $11B plus $15B, Mississippi $25B, Pennsylvania $20B, Louisiana $18B, Georgia $11B, North Carolina $10B).
• Google: $111.5 billion (Texas $40B, Wyoming $17B, Missouri $15B, Oklahoma, Virginia and South Carolina $9B each, Iowa $7B, Arkansas $4B, Alabama $1.5B), leaving out a $25 billion PJM pledge that overlaps Virginia.
• Anthropic $69 billion ($50B program plus the $19B Kentucky lease), xAI $20 billion or more, Microsoft $7.3 billion.
• Disclosed campus capacity, about 17 GW: Meta 8 GW, Microsoft about 4 GW, Amazon 2.4 GW, xAI about 2 GW, Anthropic's two leased sites about 0.65 GW. Some figures are IT load, others total campus power.
• On-site gas generation planned or permitted: more than 13 GW (GW Ranch 7.65 GW, Kilby 2.67 GW, Hubbard 1.6 GW as reported, Southaven about 1.2 GW by xAI's figure, and Meta's Ohio plants 0.4 GW), before Entergy's utility plants for Meta.

Timeline, 2024-2026

• 2024: xAI switches on Colossus 1 in South Memphis after a reported 122-day build. Amazon commits $11 billion in Indiana (April), Microsoft $3.3 billion in Wisconsin (May), and Meta announces the $10 billion site that becomes Hyperion (December).
• 2025: Amazon announces Georgia, North Carolina and Pennsylvania. Microsoft pauses a $1 billion Ohio project (April) and drops Caledonia, Wisconsin (October). Louisiana approves three gas plants for Meta (August 20). Fairwater Atlanta starts (October), Meta and Blue Owl form the Hyperion venture (October 21) and Project Rainier goes live (October 29). In November, Anthropic announces its $50 billion build, Google pledges $40 billion for Texas and Amazon adds $15 billion in Indiana.
• 2026 (year to date): xAI announces MACROHARDRR (January) and SpaceX completes its merger with xAI (February 2). Meta breaks ground in Lebanon (February), lifts El Paso to $10 billion (March) and Hyperion to 5 GW (July). Anthropic rents Colossus 1 (May). Microsoft announces Pecos and completes Fairwater Wisconsin (June). Amazon confirms GW Ranch (August), Meta reports Prometheus phase 1 complete (October) and Google announces Wyoming (November). Louisiana votes on Meta's seven new gas plants on December 10.

Meta data centers: Hyperion, Prometheus and five more

Hyperion, the Meta Louisiana data center, changed shape twice. In October 2025 Meta moved it into a joint venture with funds managed by Blue Owl, which owns 80% and shares about $27 billion of development costs while Meta leases the buildings. In July 2026 Meta raised the plan to 5 GW and more than $50 billion, with the full 5 GW around 2032.

Louisiana's Public Service Commission approved three Entergy gas plants in August 2025 and in April 2026 voted 4-1 to fast-track seven more, under a $21.37 billion application tied to what WWNO reports is a second Meta project in the parish, Project Everest. The final vote is set for December 10, and landowners sued on November 9 to void the fast-track rule, WWNO reported. Our record of US data center approvals tracks these votes.

Of the gigawatt sites, Prometheus came online first: Meta's October 2026 engineering post says phase 1 trained its Muse models. Meta also rents, through a $21 billion CoreWeave expansion signed in April 2026 and a Nebius deal worth up to $27 billion, and was reported in July to be discussing leasing up to $10 billion of its own capacity to Anthropic.

Microsoft Fairwater and Microsoft's other AI data centers

Microsoft Fairwater is two operating sites joined by dedicated fiber. Microsoft unveiled the Wisconsin campus in September 2025 with a second $4 billion building and declared the first one fully operational in June 2026. In January the village board approved 15 more data centers that Microsoft expects to draw about 2 GW.

The next large Microsoft data center is in West Texas. Its Pecos campus will add about 2 GW and start on a co-located gas plant off the public grid, which Chevron is building as Project Kilby under a 20-year contract, with a final investment decision targeted for the end of 2026. Microsoft also rents from neoclouds, including a Nebius contract worth an initial $17.4 billion and about 104,000 Nvidia GPUs planned for it at Nscale's campus in Ward County, Texas.

Amazon data centers and Project Rainier

Project Rainier is the Amazon data center behind Claude. AWS switched it on in October 2025 with nearly half a million Trainium2 chips; by April 2026 Anthropic was using more than a million, and its new AWS deal secures up to 5 GW across the network. Amazon's $15 billion Indiana expansion adds 2.4 GW through a NIPSCO subsidiary that builds generation at Amazon's expense.

Amazon's largest single state pledge is $25 billion in Mississippi. In Texas it took two routes in three months: GW Ranch, a private gas plant permitted to emit more than 30 million tonnes of greenhouse gases a year, and power taken directly from the Comanche Peak nuclear plant for a campus on Vistra's land.

Google data centers: the state-by-state announcements

Google rarely names a megawatt figure. It announces a state, a dollar total and a utility power deal, then lists the site on its locations page, which shows about 20 US sites "in development" as of November 2026. Since 2025 it has paired many campuses with new generation contracted through the local utility: Xcel in Minnesota, DTE in Michigan, Entergy in Arkansas. Two projects break that pattern. In Texas it builds data centers and power plants together with Intersect, which Alphabet agreed to buy in December 2025, and in Wyoming its first campus will run on 702 MW of natural gas fuel cells, with carbon capture at a nearby storage hub.

xAI Colossus: Memphis and Southaven

Colossus 2 is in Memphis, but its power comes from turbines across the state line in Mississippi, where regulators permitted 41 permanent units in March 2026. The NAACP and two local groups appealed the permit, and on October 30 a federal judge refused to dismiss the NAACP's separate Clean Air Act suit over the temporary turbines. A July 30 state order sets dates for retiring those 69 temporary units, the last by July 14, 2027.

SpaceX completed its merger with xAI on February 2, 2026, and in May it gave Anthropic all of Colossus 1's capacity; Anthropic later said its agreements also cover Colossus 2. Mississippi's governor announced the $20 billion MACROHARDRR site in January, and Musk added two more Southaven campuses on October 31.

Anthropic data centers: what it builds and what it rents

Anthropic data centers are mostly other companies' buildings. Its $50 billion plan with Fluidstack (November 2025) covers custom sites in Texas and New York. Since then it has taken dedicated campuses from bitcoin miners turned developers, including a 20-year TeraWulf lease at a former aluminum smelter in Kentucky, while a Nexus campus in Hubbard, Texas, is in talks for $15 billion of debt with Google reportedly guaranteeing Anthropic's lease. The rest is hosted, including the SpaceX deal for more than 300 MW at Colossus 1.

Own, lease or rent, grid or gas: how the strategies differ

On ownership, Microsoft, Google and Amazon mostly build and own, though Amazon lets STACK own its Louisiana campuses and Microsoft also rents from neoclouds. Meta builds but put Hyperion into the Blue Owl venture, and rents from CoreWeave, Nebius and, reportedly, Google Cloud while its sites fill. Anthropic leases buildings and rents chips from all three clouds and SpaceX. xAI is so far the only one to become a landlord.

On power the split is newer. By 2026 four companies had planned campuses around private gas plants (Amazon at GW Ranch, Microsoft at Pecos, xAI in Southaven and Anthropic's landlord in Hubbard), mostly to avoid waiting years for a grid connection. Meta and Google mostly stuck with utilities that build plants the tech company pays for, with two exceptions: Meta's 400 MW of behind-the-meter gas in Ohio and Google's fuel cells in Wyoming. The utility route has fights of its own, from Louisiana's ten Entergy plants for Meta to the landowner suits over their transmission lines.

Speed drives both choices: xAI built its first Colossus cluster in a reported 122 days, Amazon took Project Rainier from announcement to activation in under a year, and Meta used fabric-covered rapid deployment structures at Prometheus. Local politics has started to push back: E&E News reported in August that Texas Gov. Greg Abbott had announced a de facto pause on data center approvals while regulators audit projects. Our tracker of moratoriums and blocked projects follows where that resistance has stopped a project.

What this means for your AI visibility

A data center now enters public debate long before it gets a vote. Residents, county officials, reporters and job seekers ask ChatGPT, Google AI Mode or Perplexity whether "the data center in Richland Parish" is approved, who is building the gas plant in Southaven or how much water a campus will use. The answer, the sources it cites (a local paper, an opposition group's site, a developer's press release, a utility filing) and its tone shape opinion before anyone reaches a public hearing.

For the companies in this post, and for the utilities, landlords and economic development agencies around them, that is a visibility question they can measure. LLM Pulse tracks brand mentions, the sources and URLs AI answers cite, share of voice and sentiment across ChatGPT, Perplexity, Gemini, Google AI Mode and Google AI Overviews, with daily, weekly or monthly tracking; Claude, Copilot, Grok, Meta AI and other models are paid add-ons. Tracking the prompts people ask about your project shows which sources the answers rely on and whether your own material is among them.

Summary

Outside Stargate, Meta, Microsoft, Amazon, Google, xAI and Anthropic have announced at least $391 billion and about 17 GW of disclosed US campus capacity, led by Meta's 5 GW Hyperion in Louisiana. Amazon and Google have together spread their pledges across more than a dozen states, and Anthropic has moved from renting all of its compute to lining up dedicated campuses in Louisiana, Kentucky and Texas. The open questions for 2027 are mostly about power: Louisiana's December 10 vote on Meta's seven gas plants, Chevron's final decision on Kilby, the appeal against xAI's Southaven permit and whether GW Ranch is built at its permitted 7.65 GW.