NTT Tochigi Data Center Campus

Tochigi City, Tochigi Prefecture, JapanPreconstruction

Planned critical IT: Approximately 100 MW
Updated: Oct 28, 2026

NTT has acquired land in Tochigi City for two data center buildings totaling approximately 100 MW of planned IT capacity. The first building is targeted to open in fiscal 2028; NTT has not announced a construction start or per-building capacity.

Capacity

Full campus IT design capacity

Planned / design or future potential

Approximately 100 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

Building 1Announced or preconstruction

1 building

Part of a two-building, approximately 100 MW IT campus; no capacity split disclosed.

Building 2Announced or preconstruction

1 building

Second planned building; timing is secondary and capacity is not disclosed.

Milestones (3)

NTT announces acquired Tochigi site

Feb 5, 2025 · Recorded actual event

Completed · Land acquired

Source not linked

Building 1 target opening

2028 · Forecast / planned record

Forecast · Event type not stated

Source not linked

Building 2 target reported locally

2031 · Event timing type not established

Status not stated · Event type not stated

Source not linked

Participants

City of Tochigi

Landowner

Sources by role

Landowner (1)

Tochigi Inter Industrial Park · Apr 3, 2025 · Corroborating

Landowner (1)

NTT DATA to build new data center in Tochigi City · Feb 5, 2025 · Primary

NTT DATA

Developer

Sources by role

Developer (1)

NTT DATA expands global data center footprint with land acquisitions · May 13, 2025 · Corroborating

Developer (1)

NTT DATA to build new data center in Tochigi City · Feb 5, 2025 · Primary

NTT Global Data Centers

Operator

Sources by role

Operator (1)

NTT DATA expands global data center footprint with land acquisitions · May 13, 2025 · Primary

Operator (1)

NTT DATA global data-center strategy and Tochigi development · Apr 30, 2025 · Corroborating

Site & development

Land acquired

Source report

True

Source

Site area

Source report

32 acres

Source

Planned building count

Source report

2 data-center buildings

Source

Building 1 opening target

Source report

FY2028

Source

Location

Actual

Tochigi Inter Industrial Park, Tochigi City, Tochigi Prefecture

Source

Additional project facts

Status

Actual

Preconstruction

Source

Capacity boundary decision

Actual

Approximately 100 MW IT across two buildings; no per building split

Source

Infrastructure & permits

Technical details (2)

Cooling system

Planned or represented

Intended for high-density AI workloads; no delivered equipment verified.

Fiber

Planned or represented

IOWN All-Photonics Network connectivity is an intended feature.

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