This dataset shows the location or potential locations of marine renewable energy sites (wind farm authorisations) in Irish waters. This is based upon formal applications submitted to the foreshore licence application office. The sites are catagorised depending on the stage of development which ranges from preliminary site investigations, through to fully commissioned. The dataset was deveoped as part of work undertaken in the Department of Housing, Local Government and Heritage (DHLGH) for use in Ireland's National Marine Planning Framework (NMPF) in 2021.