Alberta Distillers Recently Released A Premium Cask Strength Rye Into The US Alberta Distillers Recently Released A Premium Cask Strength Rye Into The US One of the first distilleries out of Canada to create a true 100% rye whisky, Alberta Distillers is releasing a limited edition of its Alberta Premium Cask Strength Rye (65.1 – 66.1% ABV) to the U.S. market for the first time. Distilled in Calgary and aged for a minimum of five years, the whisky was created using pure 100% Canadian prairie grains grown by local farmers and Rocky Mountain spring water for a drink best served neat or on the rocks.