Pipework at the Humber Refinery, operated by Phillips 66, and the Humber estuary near South Killingholme, north-east England on March 11, 2026. Following the closures last year of the Prax Lindsey refinery in Lincolnshire and the Petroineos refinery at Grangemouth in Scotland, Britain now has just four: Fawley in Hampshire, operated by Exxon Mobil; Humber in Lincolnshire, operated by Phillips 66; Pembroke in south Wales, operated by Valero Energy and Stanlow in Cheshire, operated by Essar. This quartet supp ...