Epoch AI current positive-capacity facilities ranked by estimated total facility MW, with 2025-dollar capex and calculated H100-equivalent compute beside every row.
RANK.AI DATA / LATEST PUBLICATION
Planned AI data center capacity
46 infrastructures ranked by facility power.
Microsoft Fairwater Wisconsin is out in front at 2,715 MW.
46 infrastructureschecked Sep 9, 2026, 12:00 PM UTCdailyhow we measure this →CSV / JSON
In front today
Microsoft Fairwater Wisconsin
2,715 MWfacility power
- Ahead of second place
- 265
- Held by the top three
- 19%
- Middle of the board
- 480.5
- Below half the leader
- 37 of 46
Highest 2,715 MWMiddle 480.5
WHY THIS RANK / VERIFIED SNAPSHOT
Anthropic Lake Mariner
Latest future-dated timeline milestone per center after the dataset release date, requiring positive power, capital cost, and H100-equivalent values.
partialPermalink to this snapshot ↗
Some explanation inputs are unavailable Missing: publicFrozenEvidence, comparablePriorRanking.
- Published rank
- #27
- Score
- 441 MW
- Sample size
- 3
60% confidence · 38% component coverage · as of Sep 9, 2026, 12:00 PM UTC
SCORE CONSTRUCTION
3/8 evidencedComponent ledger
| Component | Value | Weight | Contribution | Evidence | Status |
|---|---|---|---|---|---|
| attribution | Source: Epoch AI (CC BY 4.0) | Unavailable | — | 0 | unavailableno_public_frozen_evidence |
| epoch AI data center capex 2025 USD | 14319396000.0000000000 | 0% | 0 | 1 | available |
| epoch AI data center facility power MW | 441.0000000000 | 100% | 441 | 1 | available |
| epoch AI data center h100 equivalents | 527084.3860535624 | 0% | 0 | 1 | available |
| evidence | — | Unavailable | — | 0 | unavailableno_public_frozen_evidence |
| missingIsZero | 0 | Unavailable | — | 0 | unavailableno_public_frozen_evidence |
| rawValue | 441.0000000000 | Unavailable | — | 0 | unavailableno_public_frozen_evidence |
| score | 441.0000000000 | Unavailable | — | 0 | unavailableno_public_frozen_evidence |
WHY IT MOVED
0 ranksflat since prior snapshot
component_history_unavailable
No component moved since the prior snapshot.
PRIMARY EVIDENCE
3 public recordsSource trail
Facility capital costepoch AI data center capex 2025 USD · observed Sep 9, 2026, 12:00 PM UTC$14.32B60% confidence
- Source
- Epoch AI open datasets
- Grade
- A
- Freshness
- fresh
- Locator
{"rowCount":499,"downloadUrl":"https://epoch.ai/data/data_centers/data_center_timelines.csv","releaseDate":"2026-09-09","contentHashKind":"sha256_raw_bytes","expectedColumns":["Data center","Date","Construction status","Buildings operational","IT power (MW)","Power (MW)","H100 equivalents","Performance (8-bit OP/s)","Total capital cost (2025 USD billions)","Compute cost (2025 USD billions)","Construction cost (2025 USD billions)","Annual operating cost (2025 USD billions)","Water use (MGD)","Current H100 equivalents (from Data center)"],"documentationUrl":"https://epoch.ai/data/data-centers-documentation/downloads","documentationHash":"2d6fb39d3552f0fe53ac7e7b0bccb607a9efbb705036189f9776764048656c60"}
Facility powerepoch AI data center facility power MW · observed Sep 9, 2026, 12:00 PM UTC441 MW60% confidence
- Source
- Epoch AI open datasets
- Grade
- A
- Freshness
- fresh
- Locator
{"rowCount":499,"downloadUrl":"https://epoch.ai/data/data_centers/data_center_timelines.csv","releaseDate":"2026-09-09","contentHashKind":"sha256_raw_bytes","expectedColumns":["Data center","Date","Construction status","Buildings operational","IT power (MW)","Power (MW)","H100 equivalents","Performance (8-bit OP/s)","Total capital cost (2025 USD billions)","Compute cost (2025 USD billions)","Construction cost (2025 USD billions)","Annual operating cost (2025 USD billions)","Water use (MGD)","Current H100 equivalents (from Data center)"],"documentationUrl":"https://epoch.ai/data/data-centers-documentation/downloads","documentationHash":"2d6fb39d3552f0fe53ac7e7b0bccb607a9efbb705036189f9776764048656c60"}
H100-equivalent computeepoch AI data center h100 equivalents · observed Sep 9, 2026, 12:00 PM UTC527,084.386 H100e60% confidence
- Source
- Epoch AI open datasets
- Grade
- A
- Freshness
- fresh
- Locator
{"rowCount":499,"downloadUrl":"https://epoch.ai/data/data_centers/data_center_timelines.csv","releaseDate":"2026-09-09","contentHashKind":"sha256_raw_bytes","expectedColumns":["Data center","Date","Construction status","Buildings operational","IT power (MW)","Power (MW)","H100 equivalents","Performance (8-bit OP/s)","Total capital cost (2025 USD billions)","Compute cost (2025 USD billions)","Construction cost (2025 USD billions)","Annual operating cost (2025 USD billions)","Water use (MGD)","Current H100 equivalents (from Data center)"],"documentationUrl":"https://epoch.ai/data/data-centers-documentation/downloads","documentationHash":"2d6fb39d3552f0fe53ac7e7b0bccb607a9efbb705036189f9776764048656c60"}
More in Datacenters
Operating, under-construction, and planned AI capacity by place and operator.
Reviewed first-party project announcements ranked by disclosed reference amount, with qualifiers preserved and actual spend explicitly separated.
A reviewed first-party project cohort with announced, under-construction, and energized stages plus separately scoped disclosed datacenter and compute MW. Permits and grid queues are never inferred.