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Data centres in South Korea
As of 16 October 2026, the Data Centre Register lists 153 data centres in South Korea with 828 MW of live IT capacity and 6,444 MW in the pipeline (243 MW under construction, 1,190 MW committed and 5,010 MW at an early stage).
Capacity by stage
| Stage | Sites | IT capacity |
|---|---|---|
| Live | 98 | 828 MW |
| Under construction | 13 | 243 MW |
| Committed | 11 | 1,190 MW |
| Early stage | 17 | 5,010 MW |
| Land banked | 3 | 9 ha |
| No capacity listed | 11 | – |
A site counts in the most advanced stage that has capacity listed. Pipeline is under construction, committed and early stage together.
Largest operators in South Korea
| Operator | Sites | Live MW | Pipeline MW |
|---|---|---|---|
| Stock Farm Road | 1 | 0 | 2,500 |
| SK Telecom (SKT) | 2 | 1 | 1,003 |
| Bosung Group | 1 | 0 | 600 |
| Gangwon Province | 1 | 0 | 400 |
| KT | 20 | 116 | 123 |
| Naver | 3 | 57 | 172 |
| LG CNS | 7 | 96 | 101 |
| Chuncheon City | 1 | 0 | 147 |
Cities
| City | Sites | Live MW | Pipeline MW |
|---|---|---|---|
| Jisan-ri | 1 | 0 | 2,500 |
| Ulsan | 1 | 0 | 1,003 |
| Seoul | 37 | 282 | 275 |
| Incheon | 9 | 35 | 230 |
| Busan | 10 | 86 | 97 |
| Chuncheon-si | 3 | 36 | 147 |
Types of data centre
South Korea has 93 colocation and 60 self-build data centres. By category: Wholesale (62), Retail (30), Self-build Systems Integrator/Managed Service Providers (17), Self-build Financial/Institutional (15), Self-build Public Cloud (11), Self-build Network & Telco (11). Ready-for-service years listed run from 1992 to 2030.
See every South Korea site on the map
The register has a record for each of these 153 sites: operator, address, coordinates, capacity by stage, ready-for-service year and sources. Sign in with Google for a free account: 5 full site records and 100 sites in lists a day. Pro (US$49 a month) opens 300 records a day, full query lists and Ask AI.
Frequently asked questions
- How many data centres are there in South Korea?
- The Data Centre Register lists 153 data centres in South Korea as of 16 October 2026: 98 live, 13 under construction, 11 committed and 17 at an early stage, of which 93 colocation and 60 self-build.
- What is the data centre capacity of South Korea?
- South Korea has 828 MW of live data centre IT capacity, with a further 6,444 MW in the pipeline (243 MW under construction, 1,190 MW committed and 5,010 MW at an early stage), for 7,272 MW in total.
- Which operators have the most data centre capacity in South Korea?
- By total IT capacity listed, the largest operators in South Korea are Stock Farm Road, SK Telecom (SKT) and Bosung Group. Stock Farm Road has 1 site with 2,500 MW.
- Where are the data centres in South Korea?
- The cities with the most data centre capacity in South Korea are Jisan-ri, Ulsan, Seoul and Incheon.
- Where does this data come from?
- The Data Centre Register at globaldcwiki.com is built from a register of data centre sites. Every proposed change is checked against outside sources and accepted by an admin before it appears. Figures were last updated on 16 October 2026.
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Last updated 16 October 2026. Cite as: Data Centre Register, "Data centres in South Korea", https://www.globaldcwiki.com/data-centres/south-korea.