Eider Canal Eider Canal The Eider Canal (also called the Schleswig-Holstein Canal) was an artificial waterway in southern Denmark (later northern Germany) which connected the North Sea with the Baltic Sea by way of the rivers Eider and Levensau. Constructed between 1777 and 1784, the Eider Canal was built to create a path for ships entering and exiting the Baltic that was shorter and less storm-prone than navigating around the Jutland peninsula. In the 1880s the canal was replaced by the enlarged Kiel Canal, which includes some of the Eider Canal's watercourse. The canal's watercourse followed the border between the duchies of
White Sea–Baltic Canal Sea Canal's structures. Work began on the gradual electrification of the canal's structures and machinery. In 1953, the locks' staff started including electricians; by 1957, the electrification of the locks of the northern slope of the canal was completed, and by 1959 all coastal and floating navigation lights were switched to electric power. The importance of White Sea–Baltic Canal for the national economy greatly increased after the commissioning of the modern Volga-Baltic Waterway in 1964. Canal capacity and the annual volume of freight traffic increased several-fold. Another upgrade of the canal took place in the 1970s. During the reconstruction, the