{"id":"b19de519-2b16-4f70-baee-26c45cc196a3","slug":"sk-aws-ulsan-ai-data-center","name":"SK Group + AWS Ulsan AI Data Center","aliases":[],"locationId":"52e227cb-5e34-4de3-b82d-0207cca6a045","lat":null,"lng":null,"locationPrecision":null,"landStatus":"private","lifecycleState":"under_construction","powerSourceMix":"behind_the_meter_gas","interconnectionQueueStatus":null,"interconnectionQueueId":null,"expectedEnergizationDate":null,"dedicatedSubstation":null,"gridOperator":"other","waterSourceNotes":null,"servingUtility":null,"acreage":null,"totalBuildingSqft":null,"streetAddress":null,"notes":"SK Group and AWS broke ground in 2025 on a 36,000 sqm site in Ulsan's Mipo National Industrial Complex for what is billed as Korea's largest AI data center: 60,000 GPUs, 41MW by November 2027 and full 103MW by February 2029, sited next to SK Gas' LNG combined-cycle plant with future scaling toward 1GW.","keyFacts":[{"label":"AWS AI Zone / 15-year deal (primary)","value":"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](https://eng.sk.com/news/sk-group-and-aws-team-up-to-build-cloud-computing-infrastructure-to-support-ai-innovation))","sourceUrl":"https://eng.sk.com/news/sk-group-and-aws-team-up-to-build-cloud-computing-infrastructure-to-support-ai-innovation"},{"label":"Groundbreaking / role split (reported)","value":"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](https://www.koreatimes.co.kr/business/tech-science/20250829/sk-aws-break-ground-for-ai-data-center-in-ulsan))","sourceUrl":"https://www.koreatimes.co.kr/business/tech-science/20250829/sk-aws-break-ground-for-ai-data-center-in-ulsan"},{"label":"Phased MW / GPU count (reported)","value":"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](https://www.koreaherald.com/article/10510141); [The Korea Times, Aug 29 2025](https://www.koreatimes.co.kr/business/tech-science/20250829/sk-aws-break-ground-for-ai-data-center-in-ulsan))","sourceUrl":"https://www.koreaherald.com/article/10510141"},{"label":"Power / cooling design (reported)","value":"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](https://www.koreatimes.co.kr/business/tech-science/20250829/sk-aws-break-ground-for-ai-data-center-in-ulsan))","sourceUrl":"https://www.koreatimes.co.kr/business/tech-science/20250829/sk-aws-break-ground-for-ai-data-center-in-ulsan"},{"label":"Jobs claim / AWS Korea investment context (primary)","value":"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](https://eng.sk.com/news/sk-group-and-aws-team-up-to-build-cloud-computing-infrastructure-to-support-ai-innovation))","sourceUrl":"https://eng.sk.com/news/sk-group-and-aws-team-up-to-build-cloud-computing-infrastructure-to-support-ai-innovation"}],"reviewStatus":"reviewed","sources":[{"url":"https://www.koreaherald.com/article/10510141","title":"SK, AWS to build Korea's largest AI data center in Ulsan - The Korea Herald"},{"url":"https://www.kedglobal.com/tech,-media-telecom/newsView/ked202506160002","title":"SK, AWS to build South Korea's largest, multibillion-dollar AI data center - KED Global"},{"url":"https://eng.sk.com/news/sk-group-and-aws-team-up-to-build-cloud-computing-infrastructure-to-support-ai-innovation","title":"SK Group and AWS Team Up to Build Cloud Computing Infrastructure - SK"},{"url":"https://www.koreatimes.co.kr/business/tech-science/20250829/sk-aws-break-ground-for-ai-data-center-in-ulsan","date":"2025-08-29","title":"SK, AWS break ground for AI data center in Ulsan","publisher":"The Korea Times"}],"reviewNote":null,"createdAt":"2026-08-19T00:50:24.201Z","updatedAt":"2026-09-28T10:33:46.872Z","location":{"id":"52e227cb-5e34-4de3-b82d-0207cca6a045","name":"Ulsan","slug":"ulsan-ulsan","kind":"city","parentLocationId":"7e3969cf-a8bc-4de9-8d89-4af5e5d943ba","region":null,"lat":35.5384,"lng":129.3114,"reviewStatus":"reviewed","aliases":[],"collisionRisk":"high","reviewNote":null,"createdAt":"2026-08-19T00:50:23.815Z","updatedAt":"2026-08-21T03:20:12.226Z"},"parties":[{"id":"b2f551fd-5342-4d8c-940d-a5eca4392fd6","dataCenterId":"b19de519-2b16-4f70-baee-26c45cc196a3","companyId":"d19ad1db-3c90-4ac7-bf3c-8aa6c3f564de","externalName":"SK Telecom","role":"developer","structureNotes":"Leads project; SK Group affiliates SK Broadband, SK Gas, SK Hynix participating","createdAt":"2026-08-19T00:50:29.061Z","company":{"id":"d19ad1db-3c90-4ac7-bf3c-8aa6c3f564de","name":"SK Telecom GPUaaS","slug":"skt-gpuaas"}},{"id":"eac82c40-b12e-401c-9c7c-6560a7443fb0","dataCenterId":"b19de519-2b16-4f70-baee-26c45cc196a3","companyId":null,"externalName":"Amazon Web Services (AWS)","role":"operator","structureNotes":"15-year strategic partnership; cloud operator/tenant","createdAt":"2026-08-19T00:50:30.203Z","company":null},{"id":"2bee9cbc-0a76-4c5c-aa93-8caf83ebf179","dataCenterId":"b19de519-2b16-4f70-baee-26c45cc196a3","companyId":null,"externalName":"SK Gas","role":"utility","structureNotes":"Adjacent LNG combined-cycle power 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