Frontier AI datacentre
Microsoft SAT40
75 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source75 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026SourceMicrosoft SAT40 among the largest sites in the United States
| Site | Owner | Users | Country | Online now | Planned | Planned date |
|---|---|---|---|---|---|---|
| Microsoft Fairwater Wisconsin | Microsoft | OpenAI, Microsoft | United States | 369 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 2.26 GWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 13 May 2028 |
| Anthropic-Amazon New Carlisle | Amazon | Anthropic | United States | 910 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 1.93 GWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 17 Mar 2028 |
| OpenAI Stargate New Mexico | Oracle | OpenAI | United States | 0 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 1.75 GWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 31 Dec 2028 |
| Meta Hyperion | Meta | Meta | United States | 0 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 1.63 GWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 1 Jan 2028 |
| Colossus 2 | SpaceXAI | Anthropic, Cursor, SpaceXAI | United States | 946 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 1.53 GWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 25 Feb 2027 |
| OpenAI Stargate Shackelford | Oracle | OpenAI | United States | 0 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 1.40 GWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 11 Nov 2028 |
| QTS Cedar Rapids | Not stated | Not stated | United States | 0 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 1.13 GWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 15 Nov 2027 |
| Microsoft SAT40 | Microsoft | Not stated | United States | 75 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 75 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 1 Dec 2025 |
Site details
- Owner
- Microsoft
- Users
- Not stated
- Country
- United States
- IT power online now
- estimate at 4 Feb 2026
75 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source - Largest planned IT power
75 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source- Planned date
- 1 Dec 2025
Latest construction note
Site has already been completed, with no more visible construction on any building.
Note from Epoch AI, Frontier Data Centers (epoch.ai/data/data-centers) (CC BY 4.0).
Questions
Who owns Microsoft SAT40?
Epoch AI's register lists Microsoft as the owner of Microsoft SAT40, in the United States.
How much power does Microsoft SAT40 have?
75 MW of IT power was online at the latest estimate in the register, against 75 MW planned, 100% of the plan (calculated). Snapshot of 14 Oct 2026.
When will Microsoft SAT40 be finished?
Epoch AI's timeline puts the site's largest planned IT power, 75 MW, at Dec 2025. Timelines are estimates and change as construction progresses.
Where does this datacentre data come from?
Epoch AI's Frontier Data Centers register (CC BY 4.0), which estimates each site's IT power over time from satellite imagery, permits and company statements. Figures are estimates, not company specifications.
Updated 14 Oct 2026. Source: Epoch AI, Frontier Data Centers (epoch.ai/data/data-centers) (CC BY 4.0). Estimates, not company specifications. Methodology: Pipeline Tracker. Not investment advice.
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