The largest AI datacenter projects, tracked by hand.
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Project
Owner
Location
Claimed MW
Status
First announced
Live since
Latest summary
Last checked
Colossus Supercomputer
xAI
Memphis, Tennessee, USA
2000
Colossus 2 operational at ~1 GW/550k GPUs; third building acquired Dec 2025 for 2 GW total expansion ongoing
2024-06-05
Elon Musk announced purchase of third Memphis building on Dec 30, 2025, targeting 2 GW/~555k GPUs total. Colossus 2 (Tulane Rd) reached operational status with 550k GPUs and ~1 GW by early 2026 following phased rollout starting mid-2025. Additional permits filed in 2026 for further expansion phases; full 2 GW and 1M GPU targets remain in progress.
2026-06-12
Louisiana AI Campus
Meta
Richland Parish, Louisiana, USA
1500
Under construction; contractors active, power plants groundbreaking Dec 2025; scale/capex expanding
2024-12-04
Project announced Dec 2024 with ceremonial groundbreaking; construction started late 2024 on 2,250-acre site with Mortenson, Turner, DPR. By late 2025, $875M local contracts and Entergy power plant groundbreaking; 2026 reports detail $27B capex, multi-GW (2-7.5 GW) scale, peak 5k+ workers, full ops targeted ~2030. No operational status.
2026-06-12
Abilene AI Factory Campus
Crusoe (for Oracle)
Abilene, Texas, USA
1200
Phase 1 (~200 MW) operational since Sep 2025 on OCI for OpenAI workloads; 1.2 GW (8 buildings) under construction, mid-2026 target; adjacent 900 MW Microsoft campus announced Mar 2026 (total ~2.1 GW site)
2025-09-30
Crusoe announced first phase live Sep 30, 2025 with GB200 racks and early training/inference running; final building topped out Nov 2025; Oracle/OpenAI dropped expansion plans Mar 2026 amid financing issues; new 900 MW Microsoft AI factory announced adjacent Mar 27, 2026 with mid-2027 first building. Construction on original campus ongoing through early 2027.
2026-06-12
Stargate Abilene Campus
OpenAI / Oracle / SoftBank
Abilene, Texas, USA
1200
Under construction; ~0.3 GW operational (multiple buildings live), 600 MW expansion canceled; full 1.2 GW targeted Q4 2026
2025-01
March 2026: Oracle/OpenAI canceled 600 MW Abilene expansion (to ~2 GW) over financing and demand forecasting issues. April 2026 update: operational capacity revised down to ~0.3 GW (~200 MW). June 2026: Oracle confirms additional buildings delivered, project on or ahead of schedule for mid-late 2026 completion. Partial operations continue with early OpenAI workloads on OCI/GB200 racks.
2026-06-12
Prometheus Cluster
Meta
Multiple US sites (tents and buildings)
1000
Under construction; initial rollout expected 2026
2025-07-14
Multiple 2025-2026 Meta engineering posts and media confirm Prometheus (1 GW cluster using buildings, tents, and colocation) remains under active construction across Ohio and other US sites with no capacity changes or operational milestones reported. Satellite imagery and exec comments from mid-2025 highlight innovative tent deployment for faster rollout. No press releases or trade coverage indicate phase 1 power-on or live workloads as of June 2026.
2026-06-12
Abilene Microsoft Campus
Crusoe (for Microsoft)
Abilene, Texas, USA
900
Land clearing underway for dedicated 900 MW Microsoft campus; first building mid-2027
2026-03-27
March 2026 announcement of new adjacent 900 MW AI factory campus (two buildings + on-site power plant) for Microsoft, bringing total Abilene site to 2.1 GW. Land prep/site work started; OpenAI reportedly stepped back from related capacity. Existing campus phases continue (1.2 GW by end-2026). No operational status or further milestones reported since.
2026-06-12
Colossus Building 3
xAI
Memphis, Tennessee, USA
500
Purchased (Dec 2025); retrofit planned, power approvals secured
2025-12-30
xAI purchased the third building (MACROHARDRR in Southaven, MS) in late Dec 2025 as part of Colossus expansion toward ~2 GW / 1M GPUs. Plans announced for first-phase operations in Feb 2026 (unconfirmed as of June 2026); 41+ gas turbines approved March 2026 to power Colossus 2/3. No confirmed groundbreaking, construction milestones, or live status beyond purchase and planning.
2026-06-12
Columbus Cluster
Google
New Albany, Ohio, USA
500
Operational with ongoing expansions and future land for growth
2024
No specific new construction milestones, capacity updates, or delays reported in the last 6 months. Recent 2026 coverage confirms the Columbus Cluster (New Albany site) as fully operational and among the world's largest AI data centers (>500 MW AI portion). Google acquired additional land in mid-2025 for potential expansion; official site notes Columbus Cloud region open and $20B+ Ohio investment since 2019 groundbreaking.
2026-06-12
Crusoe Texas Campus 2
Crusoe
Texas, USA
500
Development; Microsoft 900 MW expansion announced, land clearing underway
March 2026 announcement of new 900 MW AI factory campus in Abilene for Microsoft, expanding total site capacity to 2.1 GW with onsite generation; first building targeted for mid-2027 energization. Land clearing started; no construction milestones or power-on reported for this phase. Builds on prior 1.2 GW Abilene campus plans.
2026-06-12
Omaha Cluster
Google
Omaha, Nebraska, USA
500
Operational since 2024 with ongoing expansions and construction
2022-04-22
2024-09
The northwest Omaha Google data center (announced 2022) became operational in 2024 and remains under active expansion/construction as of March 2026. Multiple 2026 reports confirm it as one of Google's three Nebraska sites (with Papillion and Lincoln), with continued buildout on the 260+ acre campus. Recent activity includes rezoning requests for further campus growth; no capacity or delay updates specific to the 500 MW claim.
2026-06-12
Stargate Doña Ana County
OpenAI / Oracle
Doña Ana County, New Mexico, USA
500
Site prep/foundations underway; construction progressing, target ops late 2026
2025-09-23
Announced Sep 2025 as Project Jupiter (Stargate/Oracle/Stack) in Santa Teresa. Feb 2026 satellite shows foundation work; Mar 2026 reports confirm hundreds of workers on 3M sq ft campus with 4k construction jobs. No capacity change or delays reported; initial ops targeted before end-2026 (one source says Q4 2028).
2026-06-12
Stargate Lordstown
OpenAI / SoftBank
Lordstown, Ohio, USA
500
Ground broken Sep 2025; land clearing ongoing, limited visible construction as of Apr 2026; ~0.3 GW projected
2025-09-23
Sep 2025 announcement confirmed SoftBank broke ground at former Foxconn/Foxconn-GM site (acquired Aug 2025) on advanced design, on track for 2026 ops as part of 1.5 GW combined with Milam. Apr 2026 update: land cleared but no large-scale DC construction visible; site mainly for AI server/equipment mfg JV; capacity likely capped at <0.3 GW. No further milestones or delays reported since.
2026-06-12
Stargate Midwest Site
OpenAI / Oracle
Midwest, USA
500
Announced (Wisconsin/Port Washington site; construction planned for 2028 completion)
2025-09-23
No material updates or construction progress reported in the last 6 months. Project first publicly detailed as Wisconsin/Port Washington site with Vantage in OpenAI's Sep 23, 2025 announcement (updated Oct 22 specifying ~1 GW campus, $15B, construction start imminent then). No groundbreaking, delays, capacity revisions, or operational milestones since initial planning announcements.
2026-06-12
Stargate Milam County
OpenAI / SoftBank
Milam County, Texas, USA
500
Under construction; first phase topped out, 1.2 GW campus planned
2025-09-23
Announced Sep 2025; groundbreaking occurred with steel framing/roofing visible by Mar 2026 satellite imagery. Apr 2026: first phase 'Freebird' (548,950 sq ft, 4 halls) topped out; $470M cost, Oct 15 2026 delivery target per filings. SB Energy building/operating; capacity revised to 1.2 GW (from 500 MW), initial service targeted 2026 but current capacity 0 GW.
2026-06-12
Stargate Shackelford County
OpenAI / Oracle
Shackelford County, Texas, USA
500
Groundbreaking Dec 2025; under construction for 1.4 GW Vantage campus, first building H2 2026
2025-09-23
Announced Sep 23 2025 as Oracle/OpenAI Stargate site in Shackelford County (part of larger expansion). Vantage Data Centers broke ground mid-Dec 2025 on 1,200-acre Frontier campus with 10 buildings and on-site natural gas microgrid. First data center delivery targeted H2 2026; no operational status or further milestones reported since.
2026-06-12
Fairwater AI Datacenter
Microsoft
Mount Pleasant, Wisconsin, USA
400
Operational; went live April 2026 ahead of schedule (400+ MW phase 1)
2023-03
2026-04-16
Satya Nadella announced April 16, 2026 that Fairwater Wisconsin is going live ahead of schedule, with reports confirming it operational shortly after. Additional $4B investment and approvals for 15 more buildings announced earlier; total campus power projections now up to 3.3 GW long-term. First phase with hundreds of thousands of NVIDIA GPUs now accepting workloads.
2026-06-12
Lancaster Data Center
CoreWeave
Lancaster, Pennsylvania, USA
300
Early construction underway at 216 Greenfield Rd; Phase 1 target summer 2027
2025-07-15
CoreWeave announced $6B commitment (initial 100 MW, expandable to 300 MW) on July 15, 2025. Site acquisition occurred Feb 2025; Phase 1 construction has begun with permits issued and early-stage work (including demolition) reported. No capacity changes, delays, or operational milestones; targeted completion summer 2027 per city updates and March 2026 reporting.
2026-06-12
Kenilworth Data Center
CoreWeave
Kenilworth, New Jersey, USA
250
Construction underway; expected completion early 2027
2024-10-28
As of May 2026, active construction confirmed on-site with local media and resident visits noting progress on the 400k sq ft facility; community opposition and protests ongoing over noise/environmental concerns. Planning documents indicate full operation targeted for early 2027; no capacity, ownership, or capex changes reported since announcement. No evidence of power-on or live workloads.