ewz is one of the ten top-selling energy service companies in Switzerland and supplies electricity to the city of Zurich and parts of the Canton of Graub√ľnden. Our approximately 1,200 employees, including around 100 in Graub√ľnden, are employed by 223,000 customers. We also serve public lighting and public clocks in the city of Zurich. We make up around 40 learners each year in 13 different professions.