Edge Data Centres in Ireland — ELV, ICT and Security Design Considerations

Ireland's data centre story is not just about the hyperscale campuses in West Dublin. Alongside the headline facilities — the Metas, Microsofts and Googles of the Grange Castle and Clonee clusters — a parallel infrastructure of smaller, distributed compute nodes is emerging across the country: edge data centres driven by 5G rollout, the National Broadband Plan, industrial IoT in Irish pharma and medtech, and clinical AI in healthcare. For ELV and ICT design consultants, edge data centre design in Ireland is a growing and technically distinct scope — different from hyperscale design in scale, constraint profile and the ELV systems required.

This guide covers what edge data centres are, where they are being deployed in Ireland in 2025, the specific ELV, ICT and security design considerations for small-form-factor edge facilities, and what makes edge data centre design different from the hyperscale work that dominates the Irish market discussion.

What Is an Edge Data Centre and Why Are They Growing in Ireland?

An edge data centre is a compute facility positioned close to end users or data sources — rather than centralised in a remote hyperscale campus. Edge facilities are defined less by physical size than by function: they process data at or near the point where it is generated or consumed, reducing latency and bandwidth costs compared to transmitting all data to a central hyperscale facility.

In Ireland, the growth of edge data centres is driven by five converging forces:

• 5G Multi-Access Edge Computing (MEC) — Eir and Vodafone Ireland's 5G rollout creates demand for compute co-located with base stations in Dublin, Cork, Galway and Limerick, delivering the sub-millisecond latency that 5G enhanced services require.
• National Broadband Plan (NBI) — The NBI rural fibre network creates points of presence (PoPs) across Ireland that can host edge compute for rural IoT, smart agriculture and telemedicine applications.
• Dublin data centre moratorium — Planning restrictions in the Greater Dublin Area for large data centres are directing some workloads to edge facilities distributed across Dublin, Cork and the midlands.
• Healthcare AI inference — Irish hospital groups are deploying on-site edge compute for clinical AI applications (radiology AI, patient monitoring AI) where data sovereignty, latency and network reliability requirements preclude cloud-only processing.
• Industrial IoT — Irish pharmaceutical, medtech and food manufacturing facilities are deploying edge compute for real-time process control, quality monitoring and predictive maintenance applications that cannot tolerate cloud round-trip latency.

The 5G MEC Driver — Latency-Critical Applications in Ireland

5G Multi-Access Edge Computing moves compute and storage from central data centres to the edge of the network — physically co-located with 5G base stations. In Irish cities, Eir and Vodafone Ireland are deploying 5G MEC infrastructure at urban base station sites: typically containerised or micro-modular compute nodes installed in street cabinets, rooftop equipment rooms or telecoms exchange co-location spaces.

The Irish 5G MEC use cases with the strongest near-term traction are: smart city IoT (Dublin City Council, Cork City Council smart infrastructure); connected vehicle trials (TII road infrastructure); healthcare AI at the point of care (HSE hospital edge AI inference); and retail AI (queue management, shelf monitoring, footfall analytics for Dublin and Cork shopping centres). Each of these requires sub-10ms latency that only MEC can deliver in Ireland's current network architecture.

Edge Data Centre Physical Formats — From Cabinet to Container

Irish edge data centres take several physical forms depending on the power budget, site constraints and the required IT capacity:

• Micro data centre (<5kW IT) — A single rack or pair of racks in an integrated enclosure with self-contained cooling, UPS, fire suppression and physical security. Deployed in street cabinets, building IT rooms, hospital plant rooms. No structural modifications required in most deployments.
• Small modular data centre (5–100kW IT) — Prefabricated containerised or modular units deployed on rooftops, car parks, industrial yards or within existing buildings with adequate floor loading and power supply. Specific ELV systems required: ASD fire detection, VESDA monitoring, access control, CCTV, UPS monitoring.
• Purpose-built edge facility (100–1,000kW IT) — A dedicated building of 100–1,000m² designed and constructed as an edge data centre. Full TIA-942 Rated-2 or Rated-3 ELV specification applies — VESDA, access control, perimeter security, structured cabling backbone, out-of-band management.

ELV Design Challenges Specific to Irish Edge Data Centres

Fire Detection for Small-Form-Factor Edge Deployments

Fire detection in an Irish edge data centre must work in a space that may be unmanned for extended periods, has no human occupant to notice smoke, and contains high-value IT equipment that cannot tolerate extended exposure to extinguishing agents. For edge deployments above 5kW IT load, aspirating smoke detection (ASD/VESDA) is the appropriate solution — providing early warning of incipient combustion before conventional detectors would activate. The ASD panel connects to a remote monitoring system via IP, with alarm signals transmitted to a central monitoring platform and to the building management system or facilities team.

I.S. 3218 Category L1 applies to purpose-built edge data centre facilities — full equipment coverage including under-floor and overhead cable trays. For micro data centres in integrated cabinets, the enclosure-level suppression system (typically clean agent or CO2) includes integrated detection that does not rely on the building's standard fire alarm zone.

Edge Physical Security — Unmanned Remote Sites

A 5G MEC node in a Dublin street cabinet or a rural NBI PoP in County Clare is, by design, an unmanned site visited infrequently by maintenance staff. Physical security at these sites requires: electronic access control on the enclosure or equipment room; motion detection with camera coverage of the access point; tamper detection on the enclosure panels; and IP monitoring with alarms transmitted to a remote security operations centre. GDPR considerations apply to CCTV at public-facing edge sites — camera field of view must be limited to the equipment being protected, not the public street.

Power, UPS and Generator Specification for Remote Irish Edge Sites

Remote edge sites in rural Ireland — NBI PoPs, telecoms exchanges — may have limited or unreliable grid power supply. UPS autonomy requirements for edge sites are typically longer than for urban facilities: 15–30 minutes runtime to allow for generator start-up or, for smaller sites without generator provision, to allow for a controlled shutdown of IT equipment. The UPS specification for an Irish edge data centre must account for: the IT load including future expansion; environmental controls (cooling draws significant power); and any safety-critical monitoring systems (environmental sensors, fire detection panel) that must continue operating after a mains failure.

ICT Design for Edge Data Centres in Ireland

Spine-Leaf at Small Scale — Cabling for AI Inference Nodes

Edge data centres hosting AI inference workloads — clinical AI, industrial IoT analytics, 5G MEC applications — require a spine-leaf network topology at small scale: typically 25G or 100G server-to-top-of-rack connections, with 100G or 400G uplinks from the edge facility to the wider network. The cabling infrastructure for these connections is short-range Cat8.1 or OM4 multimode fibre within the equipment racks, with OM4 or OS2 single-mode fibre for site interconnects and backhaul.

Out-of-Band Management and Remote Monitoring

Unmanned edge data centres require robust out-of-band (OOB) management infrastructure — a separate management network that remains accessible when the in-band IT network fails. OOB management cabling (dedicated Cat6A to each managed device), console servers, and environmental monitoring (temperature, humidity, power load, UPS status) are all standard ELV/ICT design scope items for Irish edge data centres.

See our data centre industry page and our data centre design consultancy Ireland page for the full scope we provide to Irish edge and hyperscale data centre projects.