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ESB and Ørsted Joint Venture to Develop 900 MW Tonn Nua Offshore Wind Farm in Ireland

WIND ENERGY

The Tonn Nua offshore wind farm, located off the coast of County Waterford, Ireland, is a joint venture between ESB and Ørsted. This project proposes a 900 MW fixed-bottom offshore wind farm. A final investment decision is expected in approximately 2031, with first power projected for the mid-2030s. The next steps involve obtaining a Maritime Area Consent and Marine Usage Licence from the Irish Maritime Area Regulatory Authority to commence surveying and assessment ahead of the planning application submission.

ESB and Ørsted Joint Venture to Develop 900 MW Tonn Nua Offshore Wind Farm in Ireland
Feb 13, 2026, 12:10 PM

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