Compute Institute
Ratings for the physical buildout of AI
AirTrunk Osaka Campus (OSK1 + OSK2)

AirTrunk Osaka Campus (OSK1 + OSK2)

Construction
Confirmed

Jurisdiction: Japan

OSK1: 1-chome-9-36 Nagasunishidori, West Osaka (20MW, 16,500 sqm, dedicated 77kV substation; construction from Q1 2024, planned 2026) + OSK2: East Osaka (up to 100MW campus, announced 2025 as AirTrunk's 14th campus) — part of the ~JPY1.2T Japan platform with TOK1/TOK2.

Capacity
GPUs (est.)
Capex
Announced
Target operational

Delivery health score

This project has not been scored yet.

Milestones

No milestones recorded for this project yet.

Constraint observations

No active constraint observations recorded against this project.

Entities & roles

Entity
Role
Ownership
Committed capital
AirTrunk
Developer

Sources & citations

Every substantive field on this record is backed by a canonical claim from a cited source document, graded on the E1 (strongest) – E5 (weakest) evidence ladder.

  1. AirTrunk · Dec 17, 2025 · backs: status

    https://airtrunk.com/airtrunk-to-build-second-osaka-hyperscale-data-centre-to-support-ai-growth/

Signals

Recent ingested source documents linked to this project via extracted claims or triage mentions, newest first.

  1. · AirTrunk