ST Telemedia Global Data Centers launches first data center in Japan

Located in the Greater Tokyo area, STT Tokyo 1 is ST Telemedia Global Data Centers first data center in Japan.

ST Telemedia Global Data Centers (STT GDC) strengthens its presence in Northeast Asia with the opening of STT Tokyo 1, its first data center facility in the country. STT Tokyo 1 is the first of two buildings in STT GDC’s data center campus located in Inzai City in the Greater Tokyo area.

A significant milestone to the company’s global expansion strategy, the new data center is designed with both performance and sustainability as foundational principles. STT Tokyo 1 adheres to Japan Data Centre Council (JDCC) guidelines which is a critical requirement for local customers. The facility addresses the growing demand for secure, resilient, and energy-efficient digital infrastructure from global cloud service providers, financial services institutions, content platforms and other Japanese enterprises.

STT Tokyo 1 and the other data center have a gross floor area of 60,000 square meters. Both data centers are expected to support up to 70 megawatts of IT capacity in total, with STT Tokyo 1 providing up to 32 megawatts when fully operational.

According to Kiyoshi Maeda, Chief Executive Officer – Japan, ST Telemedia Global Data Centres, STT Tokyo 1 reflects the best of STT GDC’s global expertise that is brought into to Japan. This includes operational excellence, future-ready infrastructure, and sustainability embedded by design.

“As Japan’s digital transformation accelerates, this facility will offer customers the performance and reliability they need to unlock the full potential of their applications and data. We are proud to play a role in elevating the country's digital ambitions to greater heights,” said Maeda.

Specific features of STT Tokyo 1 incudes its capabilities to deliver carbon-neutral operations from day one for Scope 1 and Scope 2 emissions. To achieve this, the facility has an integrated energy-efficient design resulting in world-class PUE and embarked upon a considered renewable energy purchase program in line with STT GDC’s global sustainability commitments.

It also features a behind-the-meter solar photovoltaic system that powers essential operations including external façade lighting, electric vehicle charging stations, and water pumps. Built to meet stringent international standards, STT Tokyo 1 is also among the first data centers globally to achieve the TIA-942-C Design Certification in mid-2024. This credential ensures robust redundancy, high availability, and strong physical security, meeting the rigorous demands of hyperscalers and enterprise clients alike.

STT Tokyo 1 also operates on a 66kV dual-feed utility intake with on-site substation that delivers maximum uptime, with the ability to seamlessly switch between redundant power feeds. This automatically maintains service continuity for customers with mission-critical workloads.

With Japan’s data center market projected to reach US$34.6 billion by 2028, according to IDC, STT Tokyo 1 is designed to meet the market demands. This includes the growing reliance on cloud computing services, increasing requirements for AI technologies, the trend of outsourcing IT services, and the movement toward data onshoring.

In addition, Japan will also see the addition of eight more submarine cables to its existing 40 operational submarine cables, which are expected to become operational by 2025-2027. These submarine cables enable high-speed data transmission, decrease latency, as well as meet the increasing demand for broadband and cloud services, which are essential for Japan's digital economy.