Data centers in Ireland
Datacenter Atlas tracks 96 facilities in Ireland, 91 data centers and 3 network points of presence: 1% of the global inventory and #19 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
- Dublin91
- Cork City2
- Carlow1
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 96 facilities
Sorted by disclosed IT load, then networks present. A row opens the full, source-linked record on the map. No PUE is disclosed for any of these sites, so the column is hidden.
Disclosed IT load by state / region
| State / region | MW | Figures |
|---|---|---|
| South Dublin | 66 | 2 |
Disclosed values only, campus figures counted once. Regions are assigned from each facility's coordinates (Natural Earth admin-1), so the rows add up to the national total.
⚡ Electricity context
- Electricity demand
- 37.1 TWh (2025)
- Grid carbon intensity
- 256 gCO₂/kWh
- Renewables share
- 48.2 %
- Low-carbon share
- 48.2 %
Source: Ember yearly electricity data (CC BY 4.0). Method
Water & climate exposure
- Data centers at high water stress (index ≥ 60)
- 0 of the 90 scored · 1 located at town level only is not scored
- Median baseline water stress (WRI Aqueduct, 0–5)
- 1.07
- Median riverine flood risk (0–5)
- 0.86
- Free-cooling hours ≤ 18 °C (median)
- 8,452 h/yr (96 %)
- Median cooling degree days
- 3
Derived indicators: WRI Aqueduct 4.0, GHSL, climate normals. See methodology. Method
Social friction index
Main driver: Policy context (92/100)
Restrictive rules in force in the country (zoning, grid, water, heat reuse, moratoria). It goes up when such rules exist, because they show contestation has reached the political level.
- 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
13 measures recorded
See the rules on the regulation map → · Compare with neighbouring countries →
Documented local conflicts & agreements
- CRU sets new grid connection rules for data centres · 2025-12-12 · grid restriction · approved with conditions
- Amazon's three Mulhuddart data centres approved after third-party appeals · 2025-12 · other · approved with conditions
- High Court dismisses challenge to Art Data Centres campus in Ennis · 2025-03-24 · lawsuit · approved
- Planning appeals board rejects Equinix gas-powered data centre in Clondalkin · 2025-02 · permit refused · blocked
- South Dublin council refuses Google's Grange Castle data centre expansion · 2024-08 · permit refused · blocked
- EirGrid halts new data centre grid connections in Greater Dublin until 2028 · 2022-01 · grid restriction · moratorium active
- Apple abandons Athenry data centre after years of legal challenges · 2018-05-10 · project withdrawn · withdrawn
Announced large projects
- Echelon DUB20 campus (Kish Business Park, Arklow) · Echelon Data Centres · under construction · 200 MW announced
- Art Data Centres Ennis campus · Art Data Centres · permitting · 200 MW announced
- AiOnX Kildare Innovation Campus (Leixlip) · AiOnX (SWI Group) · under construction · 179 MW announced
Questions
How many data centers are there in Ireland?
Datacenter Atlas (release 26.08-c2) records 96 facilities in Ireland: 91 data centers, 3 network points of presence and 2 unclassified sites. The count covers facilities documented in OpenStreetMap, PeeringDB, Wikidata and operator disclosures.
Which companies operate data centers in Ireland?
The operators with the most tracked facilities in Ireland are Amazon Web Services, Microsoft, Digital Realty, Equinix, Meta.
Where are data centers concentrated in Ireland?
The largest hubs by facility count are Dublin (91), Cork City (2), Carlow (1).
Cite this page: Datacenter Atlas (2026). Ireland, release 26.08-c2. https://www.datacenter-atlas.com/country/ireland · ODbL / CC BY 4.0