EIRGRID publish - Powering up Offshore, South Coast Grid Connection Information Pack

EirGrid has now published an updated Grid Connection Information (GCI) Pack (Version 2) for prospective offshore windfarm developers of Tonn Nua of Government’s South Coast Designated Mari-time Area Plan (SC-DMAP).

View the Powering Up Offshore - South Coast Grid Connection Information Pack 

In addition to all indicative information on proposed connection method, schedule, and other relevant technical information for developers, this update encompasses industry feedback gathered during the Powering Up Offshore – South Coast workshops held with industry in December 2024 and May 2025 and the associated Offshore Grid Transmission Use of System (OG-TUoS) charge and associated onshore connection asset costs.

Ireland’s second offshore wind energy auction, Tonn Nua, will be the first auction to take place as part of the plan-led approach to the delivery of offshore wind and will ensure 900 megawatts of off-shore wind from Ireland’s South Coast