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STACK TKY01 Inzai Data Center Campus

Inzai, Chiba Prefecture, JapanUnder construction
Evidence
Planned critical IT
36 MW
Updated
Oct 28, 2026

STACK TKY01 Inzai Data Center Campus, also known as STACK TKY01, is a data center project in Inzai, Chiba Prefecture, JP developed and operated by STACK Infrastructure. 5.7-acre Inzai campus comprising two planned 18 MW buildings for 36 MW of scalable capacity. AI-ready resilient design with secure, scalable electrical and cooling infrastructure in Greater Tokyo. 36 MW is the operator-published future facility or full-build design boundary. The financing record is scoped to the named development phase and is not treated as a facility valuation.

Capacity

Reported capacity

Design

36 MW

Source

Reported capacity

Planned / design or future potential

36 MW

Source

Operating IT capacity: Not established in published records

A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.

Development

Development, permitting and phased deliveryUnder construction

36 MW is the operator-published future facility or full-build design boundary. It is not operating IT load.

Milestones (2)
¥39.7 billion green financing announced

Oct 23, 2025 · Recorded actual event

Completed · Financing

Source not linked
First 18 MW building delivery target

2026 · Forecast / planned record

Forecast · Forecast completion

Source not linked

Participants

STACK Infrastructure

Developer

Sources by role
Developer (1)

Capital & incentives

Capital claims and financing records may overlap. Their amounts are not added together.

Capital claims

Green financing

Transaction scope

39.7 billion JPY

Source

Financing records

Debt financing

¥39,700,000,000

Oct 23, 2025

Advances development of the two-building TKY01 campus; not operating capacity.

Parties & sources

STACK Infrastructure (Borrower)

Sources (1)

Site & development

Location context

Actual

STACK TKY01 | Inzai | Chiba Prefecture | JP

Source

Location context

Actual

STACK TKY01 | Inzai | Chiba Prefecture | JP

Source

Site area

Design

5.7 acres

Source

Building count

Design

2 buildings

Source

Additional project facts

Lifecycle status

Actual

Construction

Source

Capacity basis

Actual

STACK Infrastructure publishes 36 MW of critical IT capacity for this record boundary.

Source

Lifecycle status

Actual

Construction

Source

Capacity basis

Actual

36 MW is the operator published future facility or full build design boundary.

Source

Infrastructure & permits

Technical details (2)
Electric grid

Planned or represented

AI-ready resilient design with secure, scalable electrical and cooling infrastructure in Greater Tokyo.

Fiber

Planned or represented

STACK markets diverse fiber and carrier-neutral deployment options; installed and contracted capacity remain distinct.

Public-source research. Plans may change. See Evidence for sources and qualifications.