Security of supply

Bieudron, Switzerland’s hydropower under maintenance

07/15/2026, 13:00 | Security of supply

At Bieudron, at the heart of the Grande Dixence complex, major maintenance work is currently under way to ensure the reliability of Switzerland’s most powerful hydropower plant.

In this video interview, Michael Plaschy, Head of Hydropower at Alpiq, explains why this work is essential to ensure Bieudron’s availability – especially during the winter months – and highlights the key role of hydropower in security of supply and in providing flexibility to the Swiss electricity system.