Landsnet
Iceland's transmission system operator for the national high-voltage electricity grid.
Last updated August 25, 2026
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Overview
Landsnet is Iceland's transmission system operator and the company responsible for operating, maintaining, and developing the country's high-voltage electricity grid. Its infrastructure connects major power-generation facilities with distribution networks and large electricity users across Iceland, making it a central part of the country's electricity system. The company was established in 2005 when the high-voltage transmission network was separated from Landsvirkjun and RARIK. This structural change created a distinct transmission-grid operator rather than leaving the network integrated within generation or distribution businesses. Landsnet's role is therefore focused on the transmission layer of the electricity sector: managing the national grid, coordinating the movement of electricity between generation and demand, and supporting the reliability and security of supply. Landsnet operates in a distinctive energy environment. Iceland has substantial renewable generation, particularly hydropower and geothermal power, while its population and electricity demand are concentrated in relatively limited parts of the country. The company must consequently manage long-distance transmission links, geographically dispersed generation resources, and the technical requirements of a high-voltage system that is not connected to the continental European grid. Its network is also important to energy-intensive industrial customers as well as ordinary regional distribution systems. Landsnet is a public company with majority state ownership. According to the referenced company information, the Icelandic government holds 93.22% of its shares and Orkuveita Reykjavíkur holds 6.78%. In December 2022, the Icelandic government acquired shares that had previously been held by Landsvirkjun, RARIK, and Orkubú Vestfjarða, strengthening the state's ownership position. Landsnet is also a member of the European Network of Transmission System Operators for Electricity, linking it to broader professional and technical cooperation among European transmission operators. As a brand, Landsnet represents essential public infrastructure rather than a consumer-facing electricity retailer. Its principal offering is dependable access to the national transmission system, supported by grid operation, maintenance, planning, and development. The company does not primarily compete through consumer products or conventional marketing; its public importance comes from maintaining the physical and operational platform on which Iceland's electricity sector depends.
History
Landsnet was created in 2005 as part of the reorganization of Iceland's electricity industry. Before its formation, the country's high-voltage transmission network was associated with electricity-generation and regional utility organizations, including Landsvirkjun and RARIK. The network was separated from those activities and placed under a dedicated transmission-system operator. This arrangement established a clearer distinction between electricity generation, transmission, and distribution, with Landsnet responsible for the national high-voltage grid. The company's core responsibility is to operate and maintain the transmission system that moves electricity from generating stations to distribution networks and major users. Iceland's power system has particular geographic and technical characteristics: generation resources are distributed across the country, demand is concentrated in population centers and industrial areas, and the grid serves an island system without an interconnection to neighboring countries. Landsnet's work therefore includes managing system flows, maintaining transmission assets, supporting continuity of supply, and developing infrastructure in response to changing demand and generation patterns. Landsnet's ownership evolved after its creation. The company was initially associated with several Icelandic electricity-sector shareholders, including Landsvirkjun, RARIK, and Orkubú Vestfjarða, alongside Orkuveita Reykjavíkur and the Icelandic state. In December 2022, the Icelandic government acquired shares previously held by Landsvirkjun, RARIK, and Orkubú Vestfjarða. The resulting ownership structure identified in the reference material is 93.22% for the Icelandic government and 6.78% for Orkuveita Reykjavíkur. The company's institutional role extends beyond physical infrastructure. As Iceland's transmission system operator, Landsnet forms part of the governance and coordination framework for the national electricity system. It must balance the requirements of generators, distribution companies, industrial users, public authorities, and electricity consumers while maintaining the technical stability of the grid. Its membership in the European Network of Transmission System Operators for Electricity provides a channel for professional and technical cooperation with transmission operators elsewhere in Europe, even though Iceland's electricity system is not physically synchronized with the continental European network. Landsnet is therefore best understood as a public-service infrastructure brand rather than a conventional commercial electricity brand. Its importance is measured by the availability, resilience, and development of Iceland's transmission network. The company's activities support the use of Iceland's renewable electricity resources, the operation of regional electricity systems, and the connection of significant electricity demand to the national grid.
- 2022
Government ownership is consolidated
[1]The Icelandic government acquires shares previously held by Landsvirkjun, RARIK, and Orkubú Vestfjarða, leaving the government with a 93.22% stake and Orkuveita Reykjavíkur with 6.78%, according to the referenced company information.
- 2005
Landsnet is established
[1]Landsnet is formed as a separate transmission-system operator after the high-voltage transmission network is separated from Landsvirkjun and RARIK.
Products and positioning
A publicly owned national infrastructure operator providing the backbone for electricity transmission and system reliability in Iceland.
Electricity transmission infrastructure · 2005
National high-voltage transmission grid
Landsnet's principal asset is Iceland's high-voltage transmission network. The grid transports electricity from generating facilities to regional distribution systems and major electricity users. It is the physical backbone of the national power system and supports the integration of Iceland's geographically dispersed generation resources with demand centers.
Grid operations · 2005
Transmission-system operation
Landsnet operates the national transmission system, coordinating electricity flows and supporting the technical reliability and security of supply. This service includes system monitoring, operational coordination, and management of the transmission network as an integrated national electricity infrastructure.
Utility infrastructure services · 2005
Grid maintenance and development
The company maintains existing transmission assets and develops the network required to serve changing patterns of electricity generation and demand. These activities include the upkeep and expansion of high-voltage infrastructure and the long-term planning needed to preserve dependable national electricity transmission.
Brand decisions
2022
Acquisition of previously non-state-held sharesM&ABackground
Landsnet's ownership included shares held by Landsvirkjun, RARIK, and Orkubú Vestfjarða in addition to state and municipal utility interests.
Action taken
The Icelandic government acquired the shares previously held by Landsvirkjun, RARIK, and Orkubú Vestfjarða.
Aftermath
The government became the dominant shareholder with 93.22% ownership, while Orkuveita Reykjavíkur retained 6.78%.
2005
Creation of an independent transmission operatorStrategyBackground
Iceland's high-voltage transmission network had previously been associated with generation and regional utility organizations, including Landsvirkjun and RARIK.
Action taken
The transmission network was separated from Landsvirkjun and RARIK and placed under the newly established Landsnet.
Aftermath
Landsnet became the dedicated operator of Iceland's national high-voltage electricity transmission system.
Recent events
- 2022
Icelandic government acquires additional Landsnet shares[1]
M&A
The Icelandic government acquired shares in Landsnet that had previously been held by Landsvirkjun, RARIK, and Orkubú Vestfjarða. The transaction further consolidated state ownership of the national transmission-system operator.
Sources2 sources
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