Scotch Whisky 26. Sir Hector Monro asked the Minister of Agriculture, Fisheries and Food what is the current level of production of Scotch whisky. Mrs. Fenner In 1981 Scottish distilleries produced malt and grain spirits containing 2,679,810 hectolitres of alcohol, which will become Scotch whisky after maturing in cask in Scotland for a period of at least three years.