Water to wire The rising demand for clean renewable energy is causing a resurgence in new hydropower facilities, and Andritz Hydro is expanding in North America to meet it, learns Brendan A. Smith. Andritz Hydro, the market leader in design and supply of hydro turbines, has a diverse global presence. Headquartered in Graz, Austria, the parent company employs over 13,200 people around the world.