Data centers in Shiroi: status, MW and sources
2 published facilities and projects in Shiroi, with location, status, capacity types, dates and sources. Focused on AI and hyperscale infrastructure; not a census of all data centers.
Registry updated (distinct from content verification): 2026-07-15 18:03:15
Reading the Shiroi records
The registry contains 2 published records in Shiroi. Announced projects, construction and operational facilities are distinguished, with dates and sources for each record.
MW values distinguish IT load, utility supply, facility, campus and planned maximum capacity. Records can cover buildings in the same campus, so their capacities are not simply summed. Municipality coordinates are not exact facility locations.
Recorded facilities and projects
IIJ Shiroi Data Center Campus
Shiroi, Chiba · Operational · E3
Capacity not recorded
Status as of: 2019
Content verified: not recorded
Companies: インターネットイニシアティブ
Sources: インターネットイニシアティブ(IIJ)
NTT DATA Tokyo TKY12 (Inzai/Shiroi Campus)
Shiroi, Chiba · Announced · E3
250 MW（Planned maximum (incl. future)）
Status as of: Date unknown
Content verified: not recorded
Companies: NTT DATA Group Corporation
Sources: NTTデータグループ建設通信新聞Digital