Data centers in South Korea
Datacenter Atlas tracks 47 facilities in South Korea, 36 data centers and 10 network points of presence: 0.6% of the global inventory and #36 worldwide by facility count.
Compare with another country →
MW: megawatts of power for the computers. PUE: all the electricity a site draws divided by what reaches its computers (1.0 = nothing lost). Networks present: telecom networks recorded at each site, added up. Record quality (A to D) rates the record, not the site. Glossary →
Map
Largest hubs
- Seoul38
- Haeundae-gu2
- Seo-gu2
A hub is a town with at least 5 facilities, with its close neighbours. Facilities in smaller towns are not listed here, so the hubs do not add up to the country total.
Top operators
All 47 facilities
Sorted by disclosed IT load, then networks present. A row opens the full, source-linked record on the map. No IT load, PUE is disclosed for any of these sites, so the column is hidden.
⚡ Electricity context
- Electricity demand
- 624.7 TWh (2025)
- Grid carbon intensity
- 417 gCO₂/kWh
- Renewables share
- 10.4 %
- Low-carbon share
- 40 %
Source: Ember yearly electricity data (CC BY 4.0). Method
Water & climate exposure
- Data centers at high water stress (index ≥ 60)
- 0 of the 36 scored
- Median baseline water stress (WRI Aqueduct, 0–5)
- 2.23
- Median riverine flood risk (0–5)
- 0.56
- Free-cooling hours ≤ 18 °C (median)
- 5,599 h/yr (64 %)
- Median cooling degree days
- 699
Derived indicators: WRI Aqueduct 4.0, GHSL, climate normals. See methodology. Method
Social friction index
Main driver: Neighbourhood (96/100)
How close people live: residents within 1 km and distance to the nearest homes. High = many close neighbours.
- Water
- Energy & grid
- Neighbourhood
- Concentration
- Policy context
- Observed conflict
Composite of water, grid, neighbourhood, concentration, policy and observed-conflict pressure. A derived indicator: not a measurement of public opinion. Method
Regulation
1 measure recorded
See the rules on the regulation map → · Compare with neighbouring countries →
Documented local conflicts & agreements
- Guro residents protest KT Cloud data center under construction · 2025-07 · protest · ongoing
- Goyang Deogi-dong data center approved after 18 months of delays amid protests · 2024-11 · protest · approved
Announced large projects
- SK-AWS Ulsan AI data center · SK Telecom · under construction · 103 MW announced
Questions
How many data centers are there in South Korea?
Datacenter Atlas (release 26.08-c2) records 47 facilities in South Korea: 36 data centers, 10 network points of presence and 1 unclassified sites. The count covers facilities documented in OpenStreetMap, PeeringDB, Wikidata and operator disclosures.
Which companies operate data centers in South Korea?
The operators with the most tracked facilities in South Korea are kt cloud Co., Ltd, KINX Inc., LG CNS, Digital Edge, NHN.
Where are data centers concentrated in South Korea?
The largest hubs by facility count are Seoul (38), Haeundae-gu (2), Seo-gu (2).
Cite this page: Datacenter Atlas (2026). South Korea, release 26.08-c2. https://www.datacenter-atlas.com/country/south-korea · ODbL / CC BY 4.0