Data centers in Chiba: status, MW and sources
20 published facilities and projects in Chiba, 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): 2026-11-11 02:39:44
Recorded facilities and projects
AirTrunk TOK1 (Inzai)
Inzai, Chiba · Expanding · E1
40 MW（Planned maximum (incl. future)）
Status as of: 2025-02-10
Content verified: not recorded
Companies: AirTrunk
Sources: 日本経済新聞
Colt Inzai Data Centre 1
Inzai, Chiba · Operational · E3
8 MW（IT load）
Status as of: Date unknown
Content verified: not recorded
Companies: Colt DCS
Sources: Colt DCS
Colt Inzai Data Centre 2
Inzai, Chiba · Operational · E3
15 MW（IT load）
Status as of: Date unknown
Content verified: not recorded
Companies: Colt DCS
Sources: Colt DCS
Colt Inzai Data Centre 3
Inzai, Chiba · Operational · E3
27 MW（IT load）
Status as of: Date unknown
Content verified: not recorded
Companies: Colt DCS
Sources: Colt DCS
Colt Inzai Data Centre 4
Inzai, Chiba · Operational · E3
20 MW（IT load）
Status as of: 2025-02-26
Content verified: not recorded
Companies: Colt DCS
Sources: Colt DCSクラウド Watch
Google Inzai Data Center
Inzai, Chiba · Operational · E3
Capacity not recorded
Status as of: 2023-04
Content verified: not recorded
Companies: Google
Sources: ジェトロGoogle Japan Blog
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)
JERA Chiba Thermal Power Station AI Data Center Project
Chiba, Chiba · Announced · E3
400 MW（Planned maximum (incl. future)）
Status as of: 2026-10-01
Content verified: 2026-10-08
Companies: RHAELM Holdings Ltd.JERA Co., Inc.
Sources: 株式会社JERA
Keppel Tokyo Data Centre 3
Inzai, Chiba · Operational · E3
Capacity not recorded
Status as of: 2025
Content verified: not recorded
Companies: Keppel DC REIT
Sources: Keppel Data CentresKeppel Ltd.
MC Digital Realty NRT10 Data Center
Inzai, Chiba · Operational · E3
39 MW（IT load）
Status as of: 2021-09
Content verified: not recorded
Companies: MCデジタル・リアルティ
Sources: ASCII.jpMCデジタル・リアルティ
MFIP Inzai (Mitsui Fudosan, formerly Inzai Technology Building)
Inzai, Chiba · Operational · E3
Capacity not recorded
Status as of: 2014-02
Content verified: not recorded
Companies: 三井不動産ロジスティクスパーク投資法人
Sources: 三井不動産ロジスティクスパーク投資法人三井不動産
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
STACK Infrastructure TKY01A Data Center
Inzai, Chiba · Operational · E3
18 MW（IT load）
Status as of: 2024-10
Content verified: not recorded
Companies: STACK Infrastructure
Sources: STACK Infrastructureクラウド Watch
STT Tokyo 1 (STT GDC Inzai)
Inzai, Chiba · Operational · E1
Capacity not recorded
Status as of: 2026-10-27
Content verified: not recorded
Companies: STT GDC
Sources: STT GDC Japan東洋経済オンライン
Equinix TY12x Data Center
Inzai, Chiba · Operational · E3
54 MW（IT load）
Status as of: 2021-03
Content verified: not recorded
Companies: Equinix Japan
Equinix TY13x Data Center
Inzai, Chiba · Operational · E3
36 MW（Planned maximum (incl. future)）
Status as of: 2023-06-29
Content verified: not recorded
Companies: Equinix Japan
Sources: クラウド Watchエクイニクス
Data Section Inzai AI Data Center
Inzai, Chiba · Operational · E3
Capacity not recorded
Status as of: 2026-10-23
Content verified: not recorded
Companies: Datasection Inc.
Sources: トレーダーズ・ウェブ（DZH）データセクション（TDnet開示）
Northern Chiba Green Data Center (DASP / detailed location undisclosed)
Chiba · Operational · E3
Capacity not recorded
Status as of: 2026-03
Content verified: not recorded
Companies: Daiki Axis Sustainable Power CO.,LTDDaiki Axis Sustainable Power CO.,LTDMIRAIT ONE CorporationMorgenrot
Sources: ダイキアクシス（東証4245・適時開示形式リリースPDF）モルゲンロット（DASP・ミライト・ワン3社共同リリース）
Daiwa House DPDC Inzai Park
Inzai, Chiba · Announced · E1
Capacity not recorded
Status as of: 2025
Content verified: not recorded
Companies: Daiwa House Industry Co., Ltd.
Sources: 日経クロステック
AIST AI Data Center Building (ABCI, Kashiwa)
Kashiwa, Chiba · Operational · E3
Capacity not recorded
Status as of: Date unknown
Content verified: not recorded
Companies: National Institute of Advanced Industrial Science and Technology (AIST)
Sources: 産業技術総合研究所（ABCI公式）