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STT Seoul 1: 30MW Gasan-dong AI-Ready Hyperscale Hub
Status: Active / Core Structural Completion & Final Technical Fit-Out (Tracking June 2026) | Location: 54 Gasan digital 2-ro, Geumcheon District, Seoul, South Korea
Project Overview
The STT Seoul 1 Data Center is a premier, high-density digital infrastructure asset finalizing execution in Gasan-dong, Geumcheon-gu, within the southwest industrial submarket of Seoul, South Korea. Engineered from the ground up to support the complex, data-heavy demands of large language model training and localized cloud infrastructure, the facility represents global operator ST Telemedia Global Data Centres' foundational entry into the competitive South Korean market. Advancing rapidly through final engineering validation, technical data hall fit-outs, and commercial operations staging in mid-2026, the facility addresses the acute grid scarcity impacting Seoul's urban core. In May 2026, STT Seoul 1 officially achieved the prestigious Uptime Institute Tier III Certification of Design Documents, validating its structurally resilient, concurrently maintainable architectural blueprint. By injecting 30 MW of net critical IT load directly into the Gasan-dong technology node, the data center gives enterprise clients and international hyperscalers access to scalable, hyper-dense compute clusters optimized to deliver ultra-low latency metropolitan interconnectivity.
Quick Facts Selected Details
| Field | Value |
|---|---|
| Project Name | STT Seoul 1: 30MW Gasan-dong AI-Ready Hyperscale Hub |
| Location | 54 Gasan digital 2-ro, Geumcheon District, Seoul, South Korea |
| Status | Active / Core Structural Completion & Final Technical Fit-Out (Tracking June 2026) |
| Project Type | Greenfield Multi-Story, High-Density Hyperscale & AI-Ready Urban Facility |
| Commissioning | 🔒 Subscriber Intelligence |
| Total IT Load | 🔒 Subscriber Intelligence |
| Total Capacity | 🔒 Subscriber Intelligence |
| Tier Level | 🔒 Subscriber Intelligence |
City Profile
| Header | Details |
|---|---|
| City Name | Seoul |
| Population | ~9.4 million (Seoul city proper) |
| Urban Agglomeration | ~26 million (Seoul Capital Area metropolitan region) |
| Economic Profile | 🔒 Detailed city intelligence available to subscribers |
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Companies Involved
Developer, operator, infrastructure partners, contractors and engineering.
Technical Specifications
Power capacity, redundancy, cooling, connectivity, PUE and energy mix.
Milestones
Announcement, construction start, go-live and full buildout.
Investment Details
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