Landsnet (, ) is a transmission system operator of the Icelandic high-voltage power grid. It is a public company owned by the Icelandic government (93.22%) and Orkuveita ReykjavÃÂkur (6.78%). It is a member of the European Network of Transmission System Operators for Electricity.
Landsnet was established in 2005 by splitting the splitting the high-voltage transmission network from Landsvirkjun and RARIK. The Icelandic government acquired shares previously held by Landsvirkjun, RARIK and Orkubú Vestfjarða in December 2022.