PSE Kinsale Energy Limited operated Ireland's first gas fields in the Celtic Sea, off the County Cork coast, from 1978 until 2020 – the fields were Ireland’s only indigenous source of natural gas until 2015. The facilities are now being decommissioned. Find Out More PSE Kinsale Energy Limited operated Ireland's first gas fields in the Celtic Sea, off the County Cork coast, from 1978 until 2020 – the fields were Ireland’s only indigenous source of natural gas until 2015. The facilities are now being decommissioned. Find Out More