The Grand Canal produces hydroelectric power at Kembs, Ottmarsheim, Fessenheim and Vogelgrun, supplying electricity to one of the most heavily industrialized regions in France and even to Germany.
In its circular form, a great rarity, the abbey church strongly resembled the church of Ottmarsheim near Kembs, an outstanding example of primitive Romanesque architecture and a faithful replica, only smaller, of the Palatine Chapel in Aachen.