Skip to content
All records
Data center siteSite record

AirTrunk TOK2 West Tokyo

Tokyo Prefecture, 13, JapanPartially operational
Capacity
60 MW
Operating critical IT
Lead participant
AirTrunk
Operator
Last updated
Aug 25, 2026
Most recent public record update

About AirTrunk TOK2 West Tokyo

TOK2 is a 110+ MW design campus that opened initial phases exceeding 60 MW in 2024 while phase 2 completion remained under development. AirTrunk TOK2 West Tokyo is located in Tokyo Prefecture, 13, JP and is a data center campus in partially operational status. Participants include AirTrunk as operator, Daiwa House Industry as general contractor, Tokyo Electric Power Company as utility, Obayashi Corporation as infrastructure contractor. Development comprises TOK2 initial operating phases (operating), TOK2 phase 2 (construction). Key milestones include TOK2 initial phases exceeding 60 MW open (2024-05-14) and TOK2 phase 2 tops out after initial opening (2024-09-03). electricity supply — 66 kV: TOK2 high-voltage supply with TEPCO power-infrastructure involvement. substation infrastructure: Obayashi identified in campus infrastructure delivery; asset boundary and ownership require contract review.

Program relationships

1 linked

Capacity

Operating critical IT
Operating capacityAn operating IT-capacity figure has not been publicly disclosed.
Design110 MWReported Rounded · AirTrunk TOK2 West Tokyo
It Load60 MWReported Rounded · AirTrunk TOK2 West Tokyo

Development

2 phases · 5 milestones
TOK2 initial operating phasesOperational

Operating tranche confirmed May 2024; exact commissioned capacity not disclosed beyond 'over 60 MW'.

TOK2 phase 2Under Construction

Potential overlap with the opening announcement's initial phases; no independent RFS evidence.

1 building

May 16, 2022
AirTrunk announces 110+ MW TOK2
Completed
Nov 17, 2022
TOK2 campus construction begins
Completed
Feb 21, 2023
TOK2 phase 2 begins
Completed
May 14, 2024
TOK2 initial phases exceeding 60 MW open
Completed
Sep 3, 2024
TOK2 phase 2 tops out after initial opening
Completed

Infrastructure

Electric GridOperational

66 kV

TOK2 high-voltage supply with TEPCO power-infrastructure involvement.

Electric GridOperational

Obayashi identified in campus infrastructure delivery; asset boundary and ownership require contract review.

Project map

0 of 1 project point mapped
Infrastructure facts
2
Mapped records
1
Capacity figures
1

No map point available

Power & interconnection: 2

Facts & sources

Published claims and their source links.

17 facts
Facility Code
TOK2
Actual
Campus Location
West Tokyo, Tokyo Prefecture
Actual
Total Design Capacity
110 MW+
Reported Rounded
Initial Operating Capacity Minimum
60 MW+
Reported Rounded
Opened Date
2024-05-14
Actual
Campus Land Area
4.6 hectares
Reported Rounded
Grid Voltage
66 kV
Reported Rounded
Design Pue
1.15 PUE
Reported Rounded
Carrier Neutral
True
Actual
Phase 2 Groundbreaking
2023-02-21
Actual
Phase 2 Topped Out
2024-09-03
Actual
Phase 2 Ready For Service Verified
False
Actual
Current Operating Capacity Disclosed
False
Actual
Tok1 2026 Green Loan Applies
False
Actual
General Contractor
Daiwa House Industry
Actual
Power Partner
TEPCO
Actual
Substation Infrastructure Partner
Obayashi Corporation
Actual