NTT Boosts Domestic Data Centre Capacity

Why It Matters

The expansion strengthens Japan’s digital infrastructure, positioning NTT to capture growing AI workloads and attract multinational customers seeking secure, high‑performance sites.

Key Takeaways

• OSK11 adds 30 MW AI‑capable capacity in Kyoto
• Dual‑power substations ensure uninterrupted service
• Carrier‑neutral connectivity supports multiple network providers
• NTT now operates 14 domestic data centres, 160+ globally

Pulse Analysis

Japan’s data‑centre market is entering a rapid growth phase, driven by surging AI workloads and cloud migration across industries. NTT’s launch of the OSK11 facility in Kyoto adds 30 MW of capacity, directly addressing the bottleneck that many Japanese enterprises face when scaling AI models. By situating the centre in a major transport and economic hub, NTT taps into a region where demand for low‑latency, high‑throughput connectivity is intensifying, reinforcing the country’s broader digital transformation agenda.

The OSK11 design emphasizes resilience and flexibility. Dual‑power substations paired with redundant air‑cooling systems guarantee uptime even during power fluctuations, while carrier‑neutral interconnections let customers choose from a range of network providers. Multi‑factor access controls and on‑site security protocols further differentiate the site, meeting stringent compliance requirements for sectors such as finance and healthcare. These technical attributes make the centre attractive not only to domestic firms but also to hyperscale cloud operators seeking reliable, secure footholds in East Asia.

Globally, NTT Global Data Centres operates more than 160 facilities across 20 countries, and the Kyoto addition expands its domestic footprint to 14 sites. This breadth enables NTT to offer multinational corporations a seamless, cross‑border infrastructure experience, reducing latency and simplifying vendor management. As AI adoption accelerates, the company’s expanded capacity positions it to capture a larger share of the market, while also supporting Japan’s ambition to become a leading hub for advanced digital services.