Council · data centres and power
Data centres in Clare
1
Operating campuses
2 known at any stage
—
Average grid draw, 2025
EPA-reporting sites only
€0.2m
Estimated rates a year
0% of national
—
Metered water, 2025
EPA-licensed sites
3
Planning applications
2 granted · 1 refused · 1 appealed
Campuses
| Siemens Shannon | operating | — |
| Art Data Centres Ennis | permitted | — |
Leaflet © OpenStreetMap contributors · Tailte Éireann (CC BY)
Grid headroom in Clare
169 MVA
Demand headroom at HV stations, summed
25 transformer groups · upper bound
14 of 25
HV transformer groups with none
9 green · 2 capped by parent
126 MVA
At 38 kV
6 transformer groups
67%
Of LV substations with none
1,302 substations
Largest HV transformer groups, then MV, by demand headroom
| Station | Connect at | Demand MVA | Generation MW |
|---|---|---|---|
| ● Booltiagh T143 | 38 kV | 56.4 | 0 |
| ● Booltiagh T141 | 38 kV | 54.9 | 2.9 |
| ● Tullabrack | 38 kV | 14.4 | 0 |
| ● Drumline | 38 kV | 0.4 | 29.7 |
| ● Ardnacrusha | 38 kV | 0 | 35 |
| ● Ennis | 38 kV | 0 | 2.7 |
| ● Tullabrack | MV (10/20 kV) | 14.4 | 0 |
| ● Ennis | MV (10/20 kV) | 13.1 | 15.1 |
| ● Booltiagh | MV (10/20 kV) | 12.6 | 0 |
| ● Kilkee | MV (10/20 kV) | 1.1 | 0 |
headroomcapped by parentnone · size = demand MVA
ESB Networks' indicative transformer headroom, not a connection offer; it ignores upstream circuits and the transmission system. Station capacity Oct 2025, contracts to Aug–Oct 2025, compiled 12/12/2025. How to read it.
Local TDs asking about data centres
Constituency-to-council matching is by name and approximate.