Frontier AI datacentre
Anthropic Barber Lake
0 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source207 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026SourceAnthropic Barber Lake 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 |
| Anthropic Barber Lake | Cipher Mining | Anthropic | United States | 0 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 207 MWEpoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source | 30 Apr 2027 |
Site details
- Owner
- Cipher Mining
- Users
- Anthropic
- Country
- United States
- IT power online now
- estimate at 30 Jul 2026
0 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source - Largest planned IT power
207 MW
Epoch AI Frontier Data Centers (CC BY 4.0)As of 14 Oct 2026Source- Planned date
- 30 Apr 2027
Latest construction note
Building 1 shell is complete, with rooftop units installed, and most air-cooled chillers in place in a ground yard to the north. Most of the 120 backup diesel generators are also in place. Substantial progress since Nov 2025, still under construction and not yet energized.
Note from Epoch AI, Frontier Data Centers (epoch.ai/data/data-centers) (CC BY 4.0).
Questions
Who owns Anthropic Barber Lake?
Epoch AI's register lists Cipher Mining as the owner of Anthropic Barber Lake, in the United States.
Who uses Anthropic Barber Lake?
The register lists Anthropic as the users of the site.
How much power does Anthropic Barber Lake have?
0 MW of IT power was online at the latest estimate in the register, against 207 MW planned, 0% of the plan (calculated). Snapshot of 14 Oct 2026.
When will Anthropic Barber Lake be finished?
Epoch AI's timeline puts the site's largest planned IT power, 207 MW, at Apr 2027. 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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