STNet data center, Kagawa, Japan
Kagawa, Japan
Source: OpenStreetMap
STNet data center in Kagawa, Japan is a mapped facility, operated by STNet. It runs on Japan's grid, which was 67% fossil-fuelled at 477 gCO₂e/kWh in 2025 (Ember).
Reporting by Eric Keller · Updated Jun 14, 2026
Most sites are mapped — located but awaiting a second source. How we verify
Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.
Overview
source: linkSTNet is a mapped data center in Japan operated by STNet. Available records identify it only as an STNet data center, with no ultimate parent, capacity, or environmental enforcement details disclosed. Ownership above the operator is not specified in the facts on hand.
Operator chain
The grid behind this site
source: Ember · EurostatNational grid context, not this facility's own metering. Full country picture: Japan data centers.
In the news
source: Google News (local + English)- STNetが語る「社会のOS」としての地域データセンター、25年後の姿とは | チバテレ+プラス千葉テレビ放送株式会社· Jun 11, 2026
- 四国電力系のSTNet、AI向けデータセンター拡充へ 新中期戦略日本経済新聞· Mar 25, 2026
- STNet のネットワークに不正アクセス、利用者の個人情報等が漏えいした可能性 (ScanNetSecurity)newspicks.com· Dec 15, 2025
- STNet、2拠点のGPUサーバーを高速・低遅延ネットワークで接続した「遠隔GPUクラスター」などの実証実験を実施クラウド Watch· Nov 5, 2025
- 2つの拠点のGPUサーバーを高速・低遅延ネットワークで連係した「遠隔GPUクラスター」などの実証実験の実施についてPR TIMES· Nov 4, 2025
- STNet、遠隔GPUクラスターの実証実験--液冷設備の運用課題も評価ZDNET Japan· Nov 4, 2025