STT Seoul 1 is a data center operated by ST Telemedia Global Data Centres (STT GDC) in Seoul, KR. The facility is currently operational. It sits in the Seoul data-center market on the KEPCO-KR grid, which DC Hub's Data Center Power Index currently rates AVOID, with an estimated 27.1-month time-to-power. Operators should weigh interconnection risk here — the market screens constrained on grid headroom and time-to-power.
Data Center Power Index verdict for Seoul — the market this facility sits in.
Full DCPI breakdown →DC Hub analyst read on Seoul — the market this facility sits in (full deep-dive →).
Seoul's data center market comprises 78 tracked facilities totaling 200 MW across a fragmented operator base, with four players—LG CNS, LG Uplus Corp., Equinix, and KINX Inc.—each operating three facilities. The market's excess-power score of 28/100 signals severe undersupply relative to demand, while the constraint rating of 54/100 indicates moderate infrastructure bottlenecks in grid connectivity, cooling capacity, or real estate availability. This combination reflects a market struggling to meet current load despite aggressive national commitments: South Korea has pledged $576 billion toward AI chips and data center infrastructure, with a stated goal of deploying 18.4 GW of capacity by 2035. The DCPI verdict of AVOID presents a counterintuitive signal for institutional investors. While undersupply typically attracts capital, the 54-point constraint score means new entrants will face…
Published DC Hub data for this location.
Networks recorded as present at or immediately around STT Seoul 1 in public peering records. Treat this as a map of who is there, not as a list of contracted cross-connects — availability, diversity and pricing are the operator’s to confirm.
Source: PeeringDB carrier-to-facility records, matched to this site by location. A network listed here may sit in a neighbouring hall or an adjacent building at the same address, so presence is reported for the location rather than for a single suite.
DC Hub tracks 141 operating generating units totalling 37,614 MW within about 50 km of Seoul, KR. Generation mix shapes both carbon profile and interconnection options for a site at this location.
Source: Global Energy Monitor unit inventory, operating units only. Counts are units, not plants.
Comparable facilities in Seoul tracked by DC Hub — compare power, operators, and grid context across the market.
get_facility slug="st-telemedia-global-data-centres-stt-gdc-stt-seoul-1-f3622221" (endpoint https://dchub.cloud/mcp) for the full cited record. Connect:
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