ANDRITZ modernises Norway’s Vamma HPP

Vamma, Norway‘s largest run-of-river power plant, is to be upgraded. Hafslund is a Norwegian utility company and has commissioned the international technology Group ANDRITZ to modernise one of the power plant‘s machine sets. The output and efficiency of Vamma‘s Unit 11 is to be increased to bolster the power plant‘s role as a key pillar of Norway‘s renewable energy offering. The project will increase the installed machine output by 22% – from 100 MW to 122 MW. The scope of delivery includes dismantling, reassembly, testing and commissioning, as well as model tests and the supply of new components. It also guarantees the provision of a new, oil-free Kaplan turbine with a water-filled hub. This will not only improve efficiency, but will enhance the degree of ecological sustainability offered by the power plant. At a diameter of 7,300 mm it will be one of the largest Kaplan turbines in Norway. ANDRITZ will also provide a new turbine governor and a stator to be installed on site. Commissioning is scheduled for 2028.