DEPLOYDatabase

Data center campus

SK Group + AWS Ulsan AI Data Center

SK Group + AWS Ulsan AI Data Center is an AI data center campus developed by SK Telecom GPUaaS in Ulsan, Ulsan. 0.10 GW of capacity has been announced; none is energized yet. The gap is what this page tracks: what is claimed versus what is actually built, each figure dated and sourced.

Under construction · SK Telecom GPUaaS · Private land · other · Ulsan, Ulsan, South Korea

Track SK Group + AWS Ulsan AI Data Center

Capacity: announced vs energized

Contracted
not recorded
Energized
not recorded

Announced-to-energized gap: 0.10 GW. Every figure below is a single dated, sourced claim. Current best per series resolves by evidence tier, then date. See the methodology.

90th-largest announced of 102 tracked campuses15th percentile announced-to-energized gap≈ 83,000 homes of power at full announced capacity (basis)
SK Group + AWS Ulsan AI Data Center capacity claims
Source
Announced0.10 GW2025-06-01reportedjournalist report
Under construction0.04 GW2025-06-01reportedjournalist report

Key facts

under construction

Lifecycle

0.10 GW

Announced

0 GW

Energized

SK Telecom GPUaaS

Developer

South Korea

Location

other

Grid

private land

Land

0.10 GW

Announced-to-energized gap

Reported facts

Structured facts sourced from citations already on this record. Each fact traces to a source in the References section below.

AWS AI Zone / 15-year deal (primary)
SK Group announced a partnership with AWS to build a data center in Ulsan for a new AWS AI Zone under a 15-year strategic deal, with operations expected to begin in 2027. SK leads construction; AWS establishes the AI Zone (SK, June 21 2025)
Groundbreaking / role split (reported)
The Korea Times reports an Aug 29, 2025 groundbreaking for SK AI Data Center Ulsan with SK Telecom, SK ecoplant, AWS, and the City of Ulsan. Press reports SK handles external infrastructure while AWS handles internal servers and customers (The Korea Times, Aug 29 2025)
Phased MW / GPU count (reported)
Korea Herald industry sources cited a ~36,000 sqm Mipo Industrial Complex site, about 60,000 GPUs, first phase ~40 MW by Nov 2027, and full ~103 MW by Feb 2029. Korea Times groundbreaking coverage used ~40 MW then ~100 MW phrasing. Treat as reported targets, not independently verified energized totals (The Korea Herald; The Korea Times, Aug 29 2025)
Power / cooling design (reported)
Korea Times reports adjacency to SK Multi Utility's ~300 MW LNG combined-cycle plant as a power supply, plus hybrid air/liquid cooling and high rack density (about 20-40 kW per rack power, 40-100 kW per rack cooling capacity cited) (The Korea Times, Aug 29 2025)
Jobs claim / AWS Korea investment context (primary)
SK's release says the Ulsan data center is expected to generate up to 78,000 direct and indirect jobs over time as it scales, and notes the partnership is in addition to AWS's previously stated ~$5.88 billion (about 7.85 trillion won) planned investment in Korea by 2027 (SK, June 21 2025)

On the data center map

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The story of SK Group + AWS Ulsan AI Data Center
Announced capex
$4B
Jobs
78,000 permanent reported
GPUs
60K 60,000 GPUs, largest deployment in any Korean data center
Derived
Cost per MW
$39M/MW
Cost per job
$51K per permanent job

Every figure is one row in the ledger below with its source. Derived rows are pure arithmetic on the rows above (not new claims). Absent lines mean the fact isn't on record yet.

The deal

developer
SK Telecom GPUaaS · Leads project; SK Group affiliates SK Broadband, SK Gas, SK Hynix participating
operator
Amazon Web Services (AWS) · 15-year strategic partnership; cloud operator/tenant
utility
SK Gas · Adjacent LNG combined-cycle power plant

Power

Power source
behind the meter gas
Grid operator
other
Interconnection

SK Gas LNG combined-cycle power plant, gas, Energized. Adjacent LNG plant secures reliable power supply for the campus

Why here

SK Group + AWS Ulsan AI Data Center sits on private land in Ulsan, Ulsan. It connects to the other grid, draws on behind the meter gas power. This siting summary is composed from the record's held fields, not speculation; see methodology.

Financial structure

AWS contribution to project (~$4 billion)
$4B journalist report

Regulatory paper trail

The filings and rules on record for this site and its jurisdiction, most recent first. Each is a sourced, dated artifact you can follow to the primary document.

South Korea Drone Airspace Expansion Plan (2027)operational restriction · 2027-01-01 · South Korea

Investment, workforce and specs

GPUs
60,000 GPUs, largest deployment in any Korean data center source
Permanent jobs
up to 78,000 direct and indirect jobs over time source

Timeline

  2. Aug 2026
    party linked
    developer: linked externalName "SK Telecom" to company skt-gpuaas
  3. Oct 2026
    Current: Under construction

Sources

b19de519-2b16-4f70-baee-26c45cc196a3 · Tracked with DEPLOY's verified-vs-claimed methodology. Every term is defined in the glossary. Announced numbers are claims, not built capacity.

Head-to-head

SK Group + AWS Ulsan AI Data Center vs SKT AI Data Center →

Common questions

What is SK Group + AWS Ulsan AI Data Center?
SK Group + AWS Ulsan AI Data Center is an AI data center campus tracked on the DEPLOY registry, located in Ulsan. DEPLOY records its capacity as a dated, sourced ledger: announced gigawatts versus actually energized gigawatts, never a press-release total.
How much power will SK Group + AWS Ulsan AI Data Center use?
SK Group + AWS Ulsan AI Data Center has 0.10 GW of announced capacity on the DEPLOY registry; no energized capacity is yet recorded. Each figure is individually dated and sourced.
Who is building SK Group + AWS Ulsan AI Data Center?
SK Telecom GPUaaS is recorded as a party to SK Group + AWS Ulsan AI Data Center on the DEPLOY registry. The full party list, with each role, is on the record.
Is SK Group + AWS Ulsan AI Data Center operating yet?
As of the most recent verification on the DEPLOY registry, SK Group + AWS Ulsan AI Data Center is under construction. DEPLOY tracks the lifecycle from announced through energized, so the current state reflects sourced evidence, not the original announcement.
How verified is the data on SK Group + AWS Ulsan AI Data Center?
A human editor has reviewed this record for the indexed registry. Every capacity figure is an append-only, dated claim resolved to the highest-evidence tier; superseded claims are kept but excluded from the current view.

Deploy Watch

Track SK Group + AWS Ulsan AI Data Center on Deploy.

We notify you when energized capacity, lifecycle state, or a new dated capacity claim changes against primary-source evidence, not when the developer issues a press release.

Cite this page

DEPLOY. (2026). SK Group + AWS Ulsan AI Data Center: AI data center campus record. Retrieved October 4, 2026, from https://registry.deploy.report/datacenters/sk-aws-ulsan-ai-data-center

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The verified data on this page is available under a Creative Commons Attribution 4.0 license: reuse the facts freely, with attribution to DEPLOY (deploy.report). The prose, design, and any imagery are not included and keep their own rights.

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