The farm has 160 wind turbines of 150 metres (490 ft) tip height above mean sea level.

[3] In May 2020 plans to add up to 107 new turbines were submitted to Flintshire Council, increasing the windfarm by an extra 41 square miles, with a generating capacity of at least 100 megawatts.

[4] As with all offshore wind farms in the UK the Crown Estate[5] owns the seabed at Gwynt y Môr.

[10] Construction work began offshore in January 2011 when pieces of rock were laid on softer parts of the seabed to secure the foundations of the turbines.

[13] In order to feed electricity into the national grid, a substation was built near St Asaph in Denbighshire.