Home › Data centres › Ireland
Data centres in Ireland
As of 16 October 2026, the Data Centre Register lists 72 data centres in Ireland with 1,271 MW of live IT capacity and 1,992 MW in the pipeline (71 MW under construction, 808 MW committed and 1,113 MW at an early stage).
Capacity by stage
| Stage | Sites | IT capacity |
|---|---|---|
| Live | 51 | 1,271 MW |
| Under construction | 0 | 71 MW |
| Committed | 8 | 808 MW |
| Early stage | 12 | 1,113 MW |
| Land banked | 1 | 43 ha |
| No capacity listed | 0 | – |
A site counts in the most advanced stage that has capacity listed. Pipeline is under construction, committed and early stage together.
Largest operators in Ireland
| Operator | Sites | Live MW | Pipeline MW |
|---|---|---|---|
| Amazon Web Services | 13 | 424 | 181 |
| Echelon | 5 | 90 | 375 |
| Microsoft | 4 | 269 | 72 |
| Red Admiral DC | 1 | 0 | 250 |
| Art Data Centres | 1 | 0 | 198 |
| Herbata Ltd | 1 | 0 | 180 |
| AiOnX | 1 | 0 | 179 |
| 1 | 78 | 70 |
Cities
| City | Sites | Live MW | Pipeline MW |
|---|---|---|---|
| South Dublin | 19 | 512 | 299 |
| Blanchardstown | 10 | 161 | 73 |
| Fingal | 6 | 88 | 145 |
| Dublin | 11 | 181 | 8 |
| Kilmeaden | 1 | 0 | 135 |
| Lagavooren | 1 | 30 | 78 |
Types of data centre
Ireland has 47 colocation and 25 self-build data centres. By category: Wholesale (26), Self-build Public Cloud (18), Retail (12), Build-to-suit (8), Self-build Network & Telco (3), Self-build Systems Integrator/Managed Service Providers (2). Ready-for-service years listed run from 1991 to 2030.
See every Ireland site on the map
The register has a record for each of these 72 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 Ireland?
- The Data Centre Register lists 72 data centres in Ireland as of 16 October 2026: 51 live, 0 under construction, 8 committed and 12 at an early stage, of which 47 colocation and 25 self-build.
- What is the data centre capacity of Ireland?
- Ireland has 1,271 MW of live data centre IT capacity, with a further 1,992 MW in the pipeline (71 MW under construction, 808 MW committed and 1,113 MW at an early stage), for 3,264 MW in total.
- Which operators have the most data centre capacity in Ireland?
- By total IT capacity listed, the largest operators in Ireland are Amazon Web Services, Echelon and Microsoft. Amazon Web Services has 13 sites with 605 MW.
- Where are the data centres in Ireland?
- The cities with the most data centre capacity in Ireland are South Dublin, Blanchardstown, Fingal and Dublin.
- 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.
Other data centre markets
- Data centres in United States
- Data centres in Australia
- Data centres in India
- Data centres in Malaysia
- Data centres in United Kingdom
- Data centres in Canada
- Data centres in Brazil
- Data centres in China
- Data centres in Spain
- Data centres in Finland
- Data centres in South Korea
- Data centres in Japan
- Data centres in Thailand
- Data centres in Indonesia
- Data centres in France
- Data centres in Germany
- Data centres in Italy
- Data centres in Denmark
- Data centres in Saudi Arabia
- Data centres in Norway
- Data centres in Sweden
- Data centres in Netherlands
- Data centres in Portugal
- Data centres in Singapore
Last updated 16 October 2026. Cite as: Data Centre Register, "Data centres in Ireland", https://www.globaldcwiki.com/data-centres/ireland.