// ai data centers & power
A dated, sourced log of large AI data center campuses and power deals announced since January 2025. It logs developer, location, planned capacity, stated cost and status, plus notable pauses, moratoria and cancellations.
Researched and fact-checked by AI, with no human review. How we verify
31 entries from 32 sources. Checked for news daily; last checked
This tracker logs large artificial intelligence (AI) data center campuses. It also logs long-term electricity deals signed by companies that run them. It covers announcements from January 2025 to October 2026. It opens with the Stargate Project, a new company. OpenAI said the company intended to invest $500 billion over four years in U.S. AI infrastructure.
An entry needs a named developer, tenant or utility. It also needs either a planned size of several hundred megawatts or more, or a stated cost in the billions of dollars. A megawatt (MW) is a unit of power demand or supply; a gigawatt (GW) is 1,000 megawatts. Power purchase agreements are long-term contracts to buy electricity. They are included when the buyer is a large data center operator. The tracker also records notable cancellations and pauses. It records moratoria (temporary halts) such as New York's July 2026 executive order, and independent checks on building progress.
Capacity and spending figures are plans, not measurements. Each entry names who announced the number, and entries dated in the future are marked as scheduled. Target dates that have since passed are given as the source stated them. They have not been rechecked unless the entry says so.
Left out on purpose: company-wide capital spending forecasts, chip supply contracts, funding rounds, and reports that rest only on unnamed sources. The list is selective, not a census of every project. Entries describe what each source said on its publication date.
Targets set by the organizations named. Dates like these often move.
Scheduled
Google said on October 6, 2026 that uprate projects at 11 Constellation reactors will add 890 megawatts to the PJM grid before the end of 2032. It said the reactors are at six plants in Illinois, Pennsylvania and New Jersey. It gave no schedule for individual reactors.
Source: Why we're backing America's existing nuclear plants, Google
Scheduled
OpenAI said on August 17, 2026 that it expects an initial 800 megawatts at the Pike County campus in 2028. It said they would be served mostly by AEP infrastructure already in place. It said later phases need new power plants, including gas-fired ones, and new transmission lines, in a six-year buildout through 2032.
Yle reported that French firm Sesterce plans to invest over 10 billion euros in AI data centers at the former Kaipola paper mill. Yle said work on a 200-megawatt first phase is set to begin before the end of 2026. Its chief executive told Yle a client had signed but named no client or backers. The site owner said a sale was still being negotiated.
Source: French AI infrastructure firm Sesterce plans €10bn data centre project in Central Finland, Yle News
The Finnish Supervisory Agency (LVV) told a Google subsidiary to suspend site preparation at Muhos and Kajaani, CNBC reported. CNBC said the request sets an October 23 deadline and runs until environmental impact assessments are completed. Google told CNBC it would follow the guidance. A month earlier it pledged $15 billion for Finland.
Source: Google ordered to halt work on two data centers in ‘Texas of Europe’, CNBC
The companies announced a 20-year power purchase agreement to fund upgrades at 11 Constellation nuclear units in Illinois, Pennsylvania and New Jersey. They said the upgrades would add 890 megawatts, the first expected by 2028. They say a separate 15-year, 2,700-megawatt deal supports Constellation's operating plants.
Data Center Dynamics reported that Amazon Web Services filed a preliminary land development plan for 36 data center buildings on 1,100 acres in Indiana County. It reported they would be built in four phases from December 2026, with completion targeted for June 2036. A 4.5-gigawatt gas plant being built there would power it.
Source: AWS plans 36-building data center campus in Indiana County, Pennsylvania, Data Center Dynamics
TeraWulf said it signed an amended agreement with Kentucky Power raising contracted capacity at its Muskie Data Campus from 500 megawatts to 1 gigawatt. It said the second 500 megawatts is now planned for 2029, subject to state regulatory approval. It said the first phase remains targeted to begin ramping in 2028. No tenant was named.
Constellation and Amazon announced a 20-year agreement including 690 megawatts of power, about 190 from an uprate at Calvert Cliffs in Maryland due between 2030 and 2032. They said it will enable more than $3 billion of investment. A related retail supply deal supports Amazon operations in PJM.
Google said it plans to invest at least 13 billion euros in digital infrastructure in Finland in 2027 and 2028. It said this includes data center and supporting infrastructure in Hamina, Kajaani, Muhos and Vaala. It called it its largest single investment in Europe. It gave no data center capacity.
NVIDIA said it would provide credit support to secure an initial 4.25 gigawatts of computing capacity at SB Energy's PORTS-Pike campus in Pike County. It said the support comes with an option on the remaining 3.75. It said it would also invest $1.5 billion in SB Energy. SB Energy is to build and own the site under a 20-year lease to OpenAI.
Executive Order 62 tells the Department of Environmental Conservation to hold certain discretionary permit applications. It covers those not yet deemed complete for building or expanding data centers that can use 50 megawatts or more. The hold lasts until a statewide environmental review is submitted. Local approvals are not covered.
Meta said it would enlarge its Richland Parish data center to 5 gigawatts of computing capacity. It described the expansion as more than $50 billion of investment in the region. It said a recent agreement with the utility Entergy will fund seven new gas-fired plants and three grid-scale batteries.
Source: Teachers and Local Businesses Win as Meta Expands Louisiana Data Center, Meta
TeraWulf said Anthropic leased a purpose-built campus at its Justified Data site in Hawesville for about 401 megawatts of computing load. It expects about $19 billion in contracted revenue over the initial term. It expects first capacity in the second half of 2027 and the full 401 megawatts by early 2028.
Data Center Dynamics reported that QTS had that week terminated its Digital Gateway project and dropped its Virginia Supreme Court appeal. QTS and Compass had planned about 37 buildings on 2,100 acres in Prince William County. The project had lost its zoning over how public notice was given.
A Heatmap Pro review looked at press accounts, public records and announcements. It found at least 20 proposed projects canceled after local opposition in the first quarter of 2026. It said they were worth over $41.7 billion and at least 3.5 gigawatts of demand. The largest, Project Jarvis in Florida, was up to 1 gigawatt.
Source: Exclusive: Local Opposition to Data Centers Explodes in 2026, Heatmap News
Gov. Janet Mills vetoed LD 307. She said she supported a moratorium but that the bill lacked an exemption for a $550 million data center project at a former mill in Jay. She signed LD 713, which bars data centers from state business development tax incentives. The House sustained the veto on April 29.
Source: Governor Mills Announces Decision on LD 307, Office of Governor Janet T. Mills, State of Maine
Epoch AI estimated that 0.3 gigawatts was running, all at Abilene, Texas. It said six other U.S. sites were being built. It said the seven were projected to pass 9 gigawatts by 2029. It said OpenAI had dropped a plan to expand Abilene to 2.1 gigawatts. These are Epoch's estimates, not company figures.
Meta said the deals support up to 6.6 gigawatts of nuclear power by 2035. It listed 20-year purchases of over 2.1 gigawatts from two Vistra plants in Ohio. It listed 433 megawatts of upgrades there and at a Pennsylvania plant. It also listed funding for two TerraPower units of up to 690 megawatts, and up to 1.2 gigawatts from Oklo.
The Mississippi governor's office said xAI would invest more than $20 billion in a data center. It said the data center would be in a building xAI bought and is retrofitting. It said operations were expected to begin in February 2026. The announcement said the site would lift xAI's computing power to nearly 2 gigawatts.
Google announced the investment for cloud and AI infrastructure, including new data center campuses in Armstrong and Haskell counties. It said its power purchase agreements with energy developers in Texas covered more than 6,200 megawatts of new generation and capacity to date.
Source: Google's investments run deep in the heart of Texas., Google
Anthropic said it would build data centers with its partner Fluidstack in Texas and New York, with more locations to follow and sites coming online throughout 2026. It projected about 800 permanent jobs and 2,400 construction jobs. It gave no specific capacity figure.
Source: Anthropic invests $50 billion in American AI infrastructure, Anthropic
Meta said funds managed by Blue Owl Capital would own 80% of a venture, with Meta keeping 20%. It said the venture would develop and own Meta's Hyperion data center campus in Richland Parish, Louisiana. Meta put total development costs at about $27 billion. Blue Owl contributed about $7 billion in cash.
Google said it would invest about $15 billion from 2026 to 2030 in its first AI hub in India. It called this its largest investment there to date. Plans include a data center campus built for gigawatt-scale computing and landings for several subsea cables. The partners are AdaniConneX and Airtel.
Source: Our First AI Hub in India, Powered by a $15 Billion Investment, Google
OpenAI said the sites are in Texas, New Mexico, Ohio and a Midwest location it later identified as Wisconsin. It said that, together with Abilene and its CoreWeave projects, they brought Stargate to nearly 7 gigawatts of planned capacity. It said they also brought it to over $400 billion of investment over three years.
Source: OpenAI, Oracle, and SoftBank expand Stargate with five new AI data center sites, OpenAI
Microsoft said Fairwater, in Mount Pleasant, was on track to come online in early 2026, completing a $3.3 billion pledge. It committed $4 billion more over three years for a second data center, for a state total above $7 billion. It said the site would house hundreds of thousands of NVIDIA GPUs.
Source: Made in Wisconsin: The world's most powerful AI datacenter, Microsoft
Arizona Luminaria reported that the council voted against annexing land for the data center, which it tied to Amazon. Developer Beale Infrastructure had a purchase deal with Pima County for 290 acres and could still build outside the city. Amazon Web Services said it had no commitment to develop it.
Constellation said Meta signed a 20-year power purchase agreement for the output of its Clinton Clean Energy Center in Illinois, 1,121 megawatts. It said the agreement begins in June 2027 as a state zero emission credit program expires. The deal also adds 30 megawatts through plant upgrades.
OpenAI announced a 1-gigawatt computing cluster in Abu Dhabi with partners G42, Oracle, NVIDIA, Cisco and SoftBank. It said 200 megawatts was expected to go live in 2026. It called the project the first international deployment of Stargate, developed in coordination with the U.S. government.
Source: Introducing Stargate UAE, OpenAI
The Associated Press reported that Microsoft confirmed it was halting early-stage projects on land it owns in Licking County, Ohio, part of a $1 billion project. Noelle Walsh, president of its cloud computing operations, wrote on LinkedIn that it was slowing or pausing some early-stage projects.
Source: Microsoft says it's 'slowing or pausing' some AI data center projects, Associated Press
Crusoe said it had begun building a second phase of six buildings at the Lancium Clean Campus. It said the phase was due for completion in mid-2026. It said this would take the site to eight buildings, about 4 million square feet and 1.2 gigawatts of power capacity. The first phase was due to be energized in the first half of 2025.
Source: Crusoe expands AI data center campus in Abilene to 1.2 gigawatts, Crusoe
OpenAI said the new company intended to invest $500 billion over four years in AI infrastructure for OpenAI in the United States. It said the company would deploy $100 billion immediately, with the buildout starting in Texas. It named SoftBank as responsible for financing and OpenAI for operations.
The Finnish Supervisory Agency told Google on October 6, 2026 to stop site work at planned data centers in Muhos and Kajaani by October 23, until environmental assessments are finished.
Google and Constellation announced a 20-year agreement on October 6, 2026 to fund upgrades adding 890 megawatts at 11 nuclear reactors on the PJM grid. The deal involves no new reactor.
A typical AI-focused data center uses as much electricity as 100,000 households, the IEA says. Water use varies even more, and most of it occurs at power plants, not on site.