Projects · Power & Grid
Ballyadam converter station, Carrigtwohill, Co. Cork (subsea to Brittany, France)·Under wayPower & Grid
Celtic Interconnector
- StageIn construction (Step 6); HVDC subsea cable burial and protection in Irish waters completed (Sep 2026)
- Next milestoneCommissioning expected Q4 2028
- Last checked1 November 2026
What has changed on this project, and when
- Next milestone: Commissioning expected Q4 20282 November 2026 · previously: Energisation revised to spring 2028; remaining subsea cable installation through 2026-27
- Stage: In construction (Step 6); HVDC subsea cable burial and protection in Irish waters completed (Sep 2026)2 November 2026 · previously: In construction (Step 6); AC route complete, DC route Phase 2 ~70%; commissioning now expected spring 2028
- Value: Not disclosed (€530.7m EU Connecting Europe Facility grant awarded)2 November 2026 · previously: ≈€1bn+ project, incl. €530.7m EU Connecting Europe Facility grant (EirGrid)
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