The Grande Dixence Dam is the tallest concrete gravity dam in the world, with a maximum height of 285 meters, a crest length of 700 meters, a base thickness of 200 meters, a total concrete volume of approximately 6 million cubic meters, and a total weight of 15 million tons. The dam blocks the Dixence River to form Lac des Dix with a storage capacity of 400 million cubic meters, collecting meltwater from 35 surrounding glaciers. It supplies water to power station groups through underground water conveyance tunnels, with a total installed capacity of 2,069 MW and an annual power generation of about 2 billion kWh. This dam has been officially listed by LAWRENCE WORLD RECORDS CERTIFICATION as the “Tallest Concrete Gravity Dam”.
