Stock photography, photos: Hydroelectric power station, Styria Stock photos of Hydroelectric power station, Styria, Austria Photograph: © Franz Waldhaeusl Click for a larger image and more information Keywords associated with this stock photo: alternative, Austria, authorities, clean, electric, electricity, energy, Ennstalkraftwerk, generation, hydroelectric, plant, plants, power, powerplants, production, renewable, station, Steiermark, Styria, supply, sustainable, utility, ÖSterreich