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SEOUL, South Korea, Sept. 10, 2026 /PRNewswire/ — Hyosung Corporation has officially launched STT Seoul 1, a 30MW hyperscale data center, marking a strategic expansion into the AI data center market.
Opening Ceremony for ‘STT Seoul 1,’ Hyosung-STT GDC’s AI Data Center
Under the leadership of Hyosung Chairman Cho Hyun-Joon, Hyosung has partnered with STT GDC to target Korea’s data center market, which is projected to reach KRW 20 trillion by 2030. Singapore-headquartered STT GDC operates a portfolio of more than 100 data centers across 12 countries in Asia and Europe, with approximately 2.3GW of IT capacity.
Opening of the 30MW Hyperscale Data Center ‘STT Seoul 1’
Built through the Hyosung-STT GDC joint venture, STT Seoul 1 integrates Hyosung Heavy Industries’ advanced power solutions with STT GDC’s global standards in design, operation, and services. This 30MW facility is engineered to support diverse cloud and AI deployments, effectively handling increasingly complex, high-density workloads.
A key differentiator of STT Seoul 1 is its ability to provide up to 30MW of IT capacity right in the heart of Seoul, an area where securing power is highly challenging. While major data centers are increasingly being pushed to the outskirts or regional areas due to energy regulations and grid constraints, this prime urban location minimizes data transmission latency by staying close to major business hubs.
The facility also adheres to stringent global security standards to proactively manage potential threats and operational risks, including external intrusions and natural disasters. Notably, it has achieved the Tier III Certification of Design Documents (TCDD)[1] from the Uptime Institute, ensuring seamless server operations and high service continuity even during equipment maintenance or system failures.
“I have long been convinced that data will become the ‘oil of the 21st century.’ Foreseeing an era where AI competitiveness equates to national competitiveness, we set out to build a data center that will serve as the heart of AI,” said Chairman Cho Hyun-Joon during the opening ceremony.
He further emphasized, “STT Seoul 1 is the culmination of STT GDC’s expertise and Hyosung’s power solution capabilities. It will stand as a core infrastructure supporting the growth of South Korea’s AI industry and a new milestone in strengthening future competitiveness. By developing the data center business into Hyosung’s new growth engine, we will transform the paradigm of the global AI ecosystem beyond Korea.”
Strategic Directive: Concentrating Core Capabilities on AI Data Centers
Driven by the expansion of AI services and the surging global demand for data, Chairman Cho Hyun-Joon has directed the group to concentrate its core capabilities on the AI data center business, creating a highly differentiated business model based on robust inter-affiliate synergy.
Hyosung Heavy Industries will leverage its power equipment capabilities, including ultra-high-voltage transformers and circuit breakers, together with its energy-efficiency technologies to enhance both operational stability and power efficiency at AI data centers. Building on its extensive construction expertise in liquefaction plants and hydrogen refueling stations, the company plans to systematically build specialized technologies and construction expertise for AI data centers. Furthermore, Hyosung ITX will integrate its established IT business expertise—spanning cloud services, Content Delivery Networks (CDN), and digital transformation (DX) solutions—into overall data center operations. The company plans to implement traffic optimization and security management systems to enhance the technical reliability and operational stability of AI data centers.
“Hyosung is a company equipped with the technological prowess of a top-tier global power equipment manufacturer, robust construction capabilities, and nearly 30 years of accumulated IT operational experience,” stated Chairman Cho Hyun-Joon. “The AI data center business is the crystallization of Hyosung’s core competencies and must be developed into the group’s future growth axis.”
In the United States, the world’s largest power market, big tech companies are significantly expanding investments in AI data centers. Hyosung Heavy Industries has maintained its leadership in the U.S. 765kV ultra-high-voltage transformer market since the early 2010s and currently supplies nearly half of the 765kV ultra-high-voltage transformers installed across the U.S. power grid, underscoring its pivotal role in supporting the power infrastructure of the AI era.
Website: https://www.hyosung.com/en/
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[1] Tier III Certification: An international data center standard defined by the Uptime Institute, a U.S.-based global data center standard certification body. It certifies that a data center’s power and cooling infrastructure can operate without service interruption, even during maintenance. |
