SK Group–AWS Ulsan AI Data Center (South Korea)
1 GW AI data center in Ulsan, South Korea: under construction.
- Capacity: 1 GW
- Location: Ulsan, South Korea
- Developer: SK Group
- Status: under construction
- Energy source: Grid (utility power)
SK Group–AWS Ulsan AI Data Center (South Korea) is a 1 GW AI data center project located in Ulsan, South Korea, currently under construction. It is being built by SK Group. The site is grid-powered (utility power). This project is one of thousands of data-center facilities tracked by Data Center Index across South Korea, covering operational, under-construction, announced, and permitted sites.
Project description
SK Group and AWS are building an AI data center in Ulsan, South Korea, with SK Telecom leading construction since an August 2025 groundbreaking. The first building is scheduled to start operating in the second half of 2027, and SK Telecom plans to grow the site to about 1 GW.
Public companies linked to SK Group–AWS Ulsan AI Data Center (South Korea)
Developers, tenants, and suppliers tracked by Data Center Index with exposure to this project:
- Amazon (AMZN), partner · hyperscaler
Related data center projects
- Stock Farm Road 3 GW AI Data Center (South Korea), 3 GW, Haenam County, South Korea · announced
- Amazon Web Services Seoul Region (AP Northeast 2), 250 MW, Seoul, South Korea · operational
- Google Cloud South Korea (Seoul) Region, 200 MW, Seoul, South Korea · announced
- Microsoft Azure Korea Central Region (Seoul), 200 MW, Seoul, South Korea · operational
- Naver Chuncheon Data Center (Gak), 40 MW, Chuncheon, South Korea · operational
- Kakao KakaoCloud AI Data Center, 40 MW, Ansan, South Korea · operational
- Naver B200 4K AI Cluster, 40 MW, Seoul, South Korea · operational
- Pyeongtaek P4, Pyeongtaek, South Korea, South Korea · under construction
Frequently asked questions
- What is SK Group–AWS Ulsan AI Data Center (South Korea)?
- SK Group–AWS Ulsan AI Data Center (South Korea) is an AI data center project in Ulsan, South Korea tracked by Data Center Index. Its status is under construction.
- Where is SK Group–AWS Ulsan AI Data Center (South Korea)?
- SK Group–AWS Ulsan AI Data Center (South Korea) is in Ulsan, South Korea.
- How big is SK Group–AWS Ulsan AI Data Center (South Korea)?
- Data Center Index tracks SK Group–AWS Ulsan AI Data Center (South Korea) at 1 GW. The developer or the press states that capacity, in a source dated June 16, 2025.
- Who is building SK Group–AWS Ulsan AI Data Center (South Korea)?
- SK Group is developing SK Group–AWS Ulsan AI Data Center (South Korea).
- When will SK Group–AWS Ulsan AI Data Center (South Korea) come online?
- The next building at SK Group–AWS Ulsan AI Data Center (South Korea) is expected online 2027. That date is the first building going live, not the full build-out.
- Which public companies are linked to SK Group–AWS Ulsan AI Data Center (South Korea)?
- Data Center Index links 1 tracked public company to SK Group–AWS Ulsan AI Data Center (South Korea): Amazon (AMZN). Each is a developer, tenant or supplier with a sourced link to the project.
Sources
- AI Data Center Index facility profile: Sk Aws Ulsan Ai Data Center South Korea (aidci · aggregator · 2026-04-29)
- The Korea Herald (koreaherald.com · press · 2026-09-20)
- SK telecom (news.sktelecom.com · press · 2026-09-12)
- KED Global (Korea Economic Daily) (kedglobal.com · press · 2025-06-16)
- SK Group chief visits AI data center under construction in Ulsan (koreaherald.com · press · 2026-09-10)
- Data Center Dynamics (datacenterdynamics.com · press · 2026-09-12)
- rcrwireless.com (press · 2025-06-16)
- The Korea Times (koreatimes.co.kr · press · 2026-09-10)