History
 1924 | Grangemouth refinery production begins at 360kTa. |
| 1933 | Lavéra refinery production begins at 350 kTa |
| 1949 | Grangemouth Crude Distillation Unit 1 start-up (65,000 barrels/day) |
| 1951 | First crude oil imports to Grangemouth via deep sea oil terminal at Finnart on the west coast of Scotland |
| 1953 | Start-up of the 1st Naphtachemie steamcracker : this allows Lavéra refinery to provide naphtha to petrochemical assets |
| 1958 | Grangemouth Crude Distillation Unit 2 start-up (35,000 barrels/day) |
| 1970 | Grangemouth Crude Distillation Unit 3 start-up (110,000 barrels/day) |
| 1972 | Major expansion of Lavéra including the construction of a Hydrocracker |
| 1975/6 | BP establishes the Forties Pipeline System directly linking the Grangemouth refinery to the North Sea oil fields |
| 1985 | Lavéra fluid catalytic cracker start-up |
| 1991 | Grangemouth sulphur recovery unit start-up |
| 1992 | Lavéra isomerisation unit start-up (unleaded gasoline) |
| 1996 | Grangemouth hydrofiner plant start-up (new low sulphur diesel capability) |
| 2005 | Lavéra bitumen specialities unit start-up |
| 2006 | Major investments for jet-sweetening and clean fuels production at Lavéra. Grangemouth invests in further clean fuel capability by commissioning another sulphur recovery unit and up-grades its deep sea terminal and tankage to further non-Forties crude sourcing flexibility |