Frontier AI datacentre
Microsoft Fairwater Atlanta
636 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source636 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026SourceMicrosoft Fairwater Atlanta 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 Fairwater Atlanta | Microsoft | OpenAI, Microsoft | United States | 636 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 636 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 14 Jun 2026 |
Site details
- Owner
- Microsoft
- Users
- OpenAI, Microsoft
- Country
- United States
- IT power online now
- estimate at 14 Jun 2026
636 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source - Largest planned IT power
636 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source- Planned date
- 14 Jun 2026
Latest construction note
Building 3 and 4 are operational.
Note from Epoch AI, Frontier Data Centers (epoch.ai/data/data-centers) (CC BY 4.0).
Questions
Who owns Microsoft Fairwater Atlanta?
Epoch AI's register lists Microsoft as the owner of Microsoft Fairwater Atlanta, in the United States.
Who uses Microsoft Fairwater Atlanta?
The register lists OpenAI, Microsoft as the users of the site.
How much power does Microsoft Fairwater Atlanta have?
636 MW of IT power was online at the latest estimate in the register, against 636 MW planned, 100% of the plan (calculated). Snapshot of 14 Oct 2026.
When will Microsoft Fairwater Atlanta be finished?
Epoch AI's timeline puts the site's largest planned IT power, 636 MW, at Jun 2026. 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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