About Hydro Hydro worldwide Europe Norway Norway In Norway, Hydro has many important production sites as well as the company's global headquarters in Oslo In Sunndal, Hydro operates the largest primary aluminium plant in Europe. The Karmøy plant produces primary aluminium and wire rod. The Årdal and Høyanger plants produce primary aluminium. At the Vigeland plant, Hydro produces highly refined aluminium with 99.99% purity. Hydro also has an extrusion plant at Magnor. In addition, Hydro wholly or partially owns and operates 17 hydroelectric power stations. These power stations produce electricity for many of Hydro’s aluminium plants in Norway. Combined, they produce about 9 terrawatt hours of electricity per year. Hydro is also operator of the Tonstad wind park in Agder County. We have aluminium research and development facilities at Karmøy, Årdal and Sunndal, and a sales office for aluminium building systems. Revenue figure from Annual Report 2020. Hydro in Norway 4048 employees 15 locations 59080 revenue (MNOK) Årdal Hydro Aluminium Metal Årdal Høyanger Hydro Aluminium Metal Høyanger Husnes Hydro Husnes Karmøy Karmøy Primary Production Magnor Hydro Extrusions Magnor Oslo Norsk Hydro ASA Røldal-Suldal Hydro Energy Røldal-Suldal Sogn Hydro Energy Sogn Stavanger Lyse Kraft DA Sunndal Hycast AS Hydro Accounting Competence Center (ACC) Norway Hydro Aluminium AS Sunndal Primary Production Telemark Hydro Energy Rjukan Vennesla Hydro Vigelands Brug AS Hydro Vigelandsfoss AS For Hydro building system locations, please visit our brand websites About Hydro Key facts Hydro worldwide The Hydro Way Brand center Corporate governance Modern Slavery Transparency statement Website cookies Contact Contact Media contacts Investor Relations Contacts Customer service portal Follow us Instagram Facebook LinkedIn Twitter Flickr YouTube Shapes Suppliers Privacy policy Terms & conditions Accessibility Sitemap © 2021 Norsk Hydro ASA