South Hook LNG terminal is an LNG regasification terminal near Milford Haven and is the largest LNG terminal in Europe. Together with the smaller Dragon LNG terminal nearby, it can handle up to 25% of the UK's gas requirement. The first tanker docked on 20 March 2009.

Milford Haven is both a town and a community in Pembrokeshire, Wales. It is situated on the north side of the Milford Haven Waterway, an estuary forming a natural harbour that has been used as a port since the Middle Ages.