Data centers in Hokkaido: status, MW and sources
8 published facilities and projects in Hokkaido, 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 02:40:07
Recorded facilities and projects
J-POWER 上ノ国データセンター（仮称）
檜山郡上ノ国町, Hokkaido · Announced · E3
Capacity not recorded
Status as of: 2026-08-17
Content verified: not recorded
Companies: 電源開発株式会社
Sources: 電源開発株式会社
Sakura Internet Ishikari Data Center
Ishikari, Hokkaido · Expanding · E3
Capacity not recorded
Status as of: 2025-06-25
Content verified: not recorded
Companies: SAKURA internet Inc.
Sources: さくらインターネットIBEC建築環境・省エネルギー機構
KCCS Zero-Emission Data Center Ishikari
Ishikari, Hokkaido · Operational · E1
Capacity not recorded
Status as of: 2024-10-01
Content verified: not recorded
Companies: KYOCERA Communication Systems Co., Ltd.
Sources: MIRAIT ONE（未来図）
White Data Center (Bibai, snow cooling)
Bibai, Hokkaido · Operational · E3
Capacity not recorded
Status as of: Date unknown
Content verified: not recorded
Companies: White Data Center Inc.
Sources: ホワイトデータセンター美唄市
Hokkaido Tomakomai AI Data Center
Tomakomai, Hokkaido · Under construction · E3
300 MW（Planned maximum (incl. future)）
Status as of: 2026-06-30
Content verified: not recorded
Companies: IDC Frontier Inc.SoftBank Corp.
Sources: 環境省 北海道環境局ソフトバンク
宗谷グリーンデータセンターⅠ（稚内・風力発電直結）
稚内市, Hokkaido · Under construction · E3
Capacity not recorded
Status as of: 2026-07-21
Content verified: not recorded
Companies: 株式会社ユーラスエナジーホールディングス豊田通商株式会社
石狩再エネデータセンター第1号
Ishikari, Hokkaido · Operational · E3
15 MW（Utility supply capacity）
Status as of: 2026-10-15
Content verified: not recorded
Companies: 合同会社石狩再エネデータセンター第1号東急不動産株式会社株式会社Flower Communications
Sources: クラウド Watchブロードバンドタワー
Tomakomai AI Factory (AI Tech Tomakomai / Kankyo Friendly HD)
Tomakomai, Hokkaido · Announced · E3
10 MW（Planned maximum (incl. future)）
Status as of: 2026-07-03
Content verified: not recorded
Companies: AI Tech Tomakomai Inc. (subsidiary of Kankyo Friendly Holdings)
Sources: 環境フレンドリーホールディングス財経新聞