{
  "reviewed": "2026-10-30",
  "about": "AI data center campuses built for GPU clouds and AI labs, as their companies state them: where each is, its capacity in the measure the company uses (critical IT or IT load is the power the computers can draw; gross or site power includes cooling and the rest of the site), who uses it, and its status on the date given (as_of), from the company's own releases and filings or reports of what it said. Hand-curated; each row lists its sources. Reviewed on the date in reviewed.",
  "license": "CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/): credit Compute Screener (computescreener.com/datacenters)",
  "sites": [
    {
      "company": "Applied Digital",
      "site": "Polaris Forge 1",
      "place": "Ellendale, North Dakota",
      "capacity": "400 MW of critical IT",
      "users": "CoreWeave",
      "status": "175 MW in service: the first 100 MW building since October 2025, 75 MW more since June 30, 2026",
      "as_of": "2026-07-27",
      "sources": [
        {"name": "Applied Digital", "date": "2025-10-27", "url": "https://ir.applieddigital.com/news-events/press-releases/detail/133/applied-digital-achieves-ready-for-service-for-phase-1-at"},
        {"name": "Applied Digital", "date": "2026-07-27", "url": "https://www.sec.gov/Archives/edgar/data/0001144879/000114487926000044/apldq426earningsreleaseasf.htm"}
      ]
    },
    {
      "company": "Applied Digital",
      "site": "Polaris Forge 2",
      "place": "Harwood, North Dakota",
      "capacity": "200 MW of critical IT",
      "users": "Not named",
      "status": "Under construction",
      "as_of": "2026-07-27",
      "sources": [
        {"name": "Applied Digital", "date": "2026-07-27", "url": "https://www.sec.gov/Archives/edgar/data/0001144879/000114487926000044/apldq426earningsreleaseasf.htm"}
      ]
    },
    {
      "company": "Applied Digital",
      "site": "Delta Forge 1",
      "place": "Boyce, Louisiana",
      "capacity": "300 MW of critical IT",
      "users": "Not named",
      "status": "Planned: operations expected to start in 2027",
      "as_of": "2026-07-27",
      "sources": [
        {"name": "Applied Digital", "date": "2026-07-27", "url": "https://www.sec.gov/Archives/edgar/data/0001144879/000114487926000044/apldq426earningsreleaseasf.htm"}
      ]
    },
    {
      "company": "Cipher Digital",
      "site": "Barber Lake",
      "place": "Colorado City, Texas",
      "capacity": "168 MW of critical IT (244 MW gross)",
      "users": "Fluidstack; after its lease, an AI lab not yet named, for 10 more years",
      "status": "Data halls to be delivered one by one from Q4 2026 to Q1 2027, the first rent expected in Q4 2026",
      "as_of": "2026-09-25",
      "sources": [
        {"name": "Cipher", "date": "2025-09-25", "url": "https://www.sec.gov/Archives/edgar/data/1819989/000095010325012168/dp234624_ex9901.htm"},
        {"name": "Cipher Digital", "date": "2026-09-25", "url": "https://www.sec.gov/Archives/edgar/data/0001819989/000181998926000043/barberlakeleaseamendmentpr.htm"}
      ]
    },
    {
      "company": "CoreWeave",
      "site": "Lancaster",
      "place": "Lancaster, Pennsylvania",
      "capacity": "100 MW at first, up to 300 MW",
      "users": "CoreWeave",
      "status": "Announced; no opening date given",
      "as_of": "2025-07-15",
      "sources": [
        {"name": "CoreWeave", "date": "2025-07-15", "url": "https://investors.coreweave.com/news/news-details/2025/CoreWeave-Announces-Multi-Billion-Dollar-Commitment-to-AI-Infrastructure-in-Pennsylvania/default.aspx"}
      ]
    },
    {
      "company": "Crusoe",
      "site": "Abilene campus",
      "place": "Abilene, Texas",
      "capacity": "1.2 GW of power in 8 buildings",
      "users": "Oracle, for OpenAI",
      "status": "2 buildings (over 200 MW of IT) in service since September 2025; the other 6 due by the end of 2026",
      "as_of": "2026-03-27",
      "sources": [
        {"name": "Crusoe", "date": "2025-03-18", "url": "https://www.crusoe.ai/newsroom/crusoe-expands-ai-data-center-campus-in-abilene-to-1-2-gigawatts"},
        {"name": "DatacenterDynamics", "date": "2025-10-01", "url": "https://datacenterdynamics.com/en/news/crusoes-abilene-data-center-officially-live-serving-oracle-and-openais-stargate"},
        {"name": "Crusoe", "date": "2026-03-27", "url": "https://www.crusoe.ai/resources/newsroom/crusoe-announces-new-900-mw-ai-factory-campus-in-abilene-texas-to-support-microsoft-ai-infrastructure"}
      ]
    },
    {
      "company": "Crusoe",
      "site": "Abilene, second campus",
      "place": "Abilene, Texas",
      "capacity": "900 MW: 2 buildings and an on-site power plant",
      "users": "Microsoft",
      "status": "Site being prepared; the first building to be energized in mid-2027",
      "as_of": "2026-03-27",
      "sources": [
        {"name": "Crusoe", "date": "2026-03-27", "url": "https://www.crusoe.ai/resources/newsroom/crusoe-announces-new-900-mw-ai-factory-campus-in-abilene-texas-to-support-microsoft-ai-infrastructure"}
      ]
    },
    {
      "company": "Galaxy",
      "site": "Helios",
      "place": "West Texas",
      "capacity": "526 MW of critical IT (800 MW of power; 1.63 GW approved)",
      "users": "CoreWeave",
      "status": "Phase I, 133 MW, delivered in Q2 2026; Phase II, 260 MW, from the first half of 2027; Phase III, 133 MW, in 2028",
      "as_of": "2026-07-06",
      "sources": [
        {"name": "Galaxy", "date": "2026-07-06", "url": "https://www.galaxy.com/newsroom/galaxy-completes-phase-i-of-its-helios-data-center-campus"},
        {"name": "Galaxy", "date": "2026-07", "url": "https://www.sec.gov/Archives/edgar/data/0001859392/000185939226000084/exhibit992-q22026overvie.htm"}
      ]
    },
    {
      "company": "IREN",
      "site": "Childress, Horizons 1–4",
      "place": "Childress, Texas",
      "capacity": "200 MW of IT load (4 × 50 MW)",
      "users": "Microsoft",
      "status": "Horizon 1 (50 MW) delivered to and accepted by Microsoft; Horizons 2–4 due later in 2026",
      "as_of": "2026-08-13",
      "sources": [
        {"name": "IREN", "date": "2026-08-13", "url": "https://www.sec.gov/Archives/edgar/data/0001878848/000114036126032638/ef20080141_ex99-1.htm"}
      ]
    },
    {
      "company": "IREN",
      "site": "Sweetwater 1",
      "place": "Texas",
      "capacity": "1.4 GW site, part of a 2 GW campus",
      "users": "Not named",
      "status": "High-voltage substation connected to the ERCOT grid on May 1, 2026; data centers to be built in phases",
      "as_of": "2026-05-01",
      "sources": [
        {"name": "IREN", "date": "2026-05-01", "url": "https://iren.gcs-web.com/news-releases/news-release-details/iren-announces-successful-energization-sweetwater-1"}
      ]
    },
    {
      "company": "Lambda",
      "site": "Kansas City",
      "place": "Kansas City, Missouri",
      "capacity": "24 MW at launch, able to grow past 100 MW",
      "users": "One Lambda customer, under a multi-year agreement",
      "status": "Announced; launch expected in early 2026",
      "as_of": "2025-10-28",
      "sources": [
        {"name": "Lambda", "date": "2025-10-28", "url": "https://lambda.ai/blog/lambda-to-build-a-100mw-ai-factory-in-kansas-city-mo"}
      ]
    },
    {
      "company": "Nebius",
      "site": "Vineland",
      "place": "Vineland, New Jersey",
      "capacity": "Up to 300 MW",
      "users": "Microsoft",
      "status": "Building finished in summer 2026; fit-out under way",
      "as_of": "2026-08-12",
      "sources": [
        {"name": "Nebius", "date": "2025-03-05", "url": "https://www.businesswire.com/news/home/20250305405030/en"},
        {"name": "Nebius", "date": "2025-09-08", "url": "https://www.sec.gov/Archives/edgar/data/1513845/000110465925088312/tm2525580d1_ex99-1.htm"},
        {"name": "Nasdaq, Nebius's Q2 2026 call", "date": "2026-08-12", "url": "https://www.nasdaq.com/articles/nebius-group-q2-earnings-call-highlights"}
      ]
    },
    {
      "company": "TeraWulf",
      "site": "Lake Mariner",
      "place": "New York",
      "capacity": "102 MW of critical IT in service, 336 MW more under construction",
      "users": "Fluidstack",
      "status": "102 MW earning rent since the third building was delivered in early July 2026; the fourth is being commissioned, the fifth due from early 2027",
      "as_of": "2026-08-05",
      "sources": [
        {"name": "TeraWulf", "date": "2026-08-05", "url": "https://investors.terawulf.com/news-events/press-releases/detail/144"}
      ]
    },
    {
      "company": "TeraWulf",
      "site": "Hawesville",
      "place": "Hawesville, Kentucky",
      "capacity": "About 401 MW of critical IT (up to about 480 MW of power)",
      "users": "Anthropic, under a 20-year lease",
      "status": "First capacity due in the second half of 2027, all of it in early 2028",
      "as_of": "2026-08-05",
      "sources": [
        {"name": "TeraWulf", "date": "2026-08-05", "url": "https://investors.terawulf.com/news-events/press-releases/detail/144"}
      ]
    }
  ]
}