The purpose of Orkufjarskipti hf. is to own and operate a telecommunications system which is necessary for the shareholders' electricity operations throughout the country.
Landsvirkjun partly or wholly owns four subsidiaries. These companies are related to core operations of Landsvirkjun and in all cases specialise in sectors which derive from energy production, such as the transmission of electricity and management of electrical systems, participation in foreign energy projects, telecommunications services, energy research, and insurance for power stations.
Landsvirkjun is also related to the following companies, either as a minority shareholder or as a collaborator.