Projects at Þeistareykir

Landsvirkjun is currently working on three construction projects at Þeistareykir Geothermal Station. Here you can find key information about the projects and the related construction work.

About the projects

The main construction projects at Þeistareykir, in addition to maintenance and operation projects:

  1. Expansion of Þeistareykir Geothermal Station
    - A third generating unit will be installed at Þeistareykir Geothermal Station.
    - Construction is expected to begin in the first half of 2028.
    - Commissioning is planned before the end of 2031.
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  2. Topping Unit
    - Installation of a turbine that generates energy from high-pressure steam.
    - Construction is expected to begin in summer 2026.
    - Commissioning is planned towards the end of 2028.
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  3. Geothermal Innovation Site
    - Construction of the first building on a new site for cascading use and geothermal innovation at Þeistareykir.
    - Construction began in the end of April 2026.
    - The building is expected to be brought into use in summer 2026.
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Responsible utilisation of geothermal energy

The construction projects at Þeistareykir are part of the continued development of energy generation in Northeast Iceland. They place clear emphasis on improved utilisation, increased electricity generation and responsible use of the resource.

The projects involve a comprehensive reassessment of geothermal resource utilisation at Þeistareykir. The expansion of the station, installation of a topping unit and development of multiple-use site for geothermal innovation projects will support better energy efficiency, increased value creation and new opportunities for business and innovation in the area.

They are based on extensive research and a sustainable approach guided by the long-term interests of society and the environment.

About Þeistareykir Geothermal Station

Þeistareykir Geothermal Station is the first geothermal power station that Landsvirkjun built. Its installed capacity is 90 MW and it can generate 740 GWh per year.

When the station was built, the main objective was to develop an efficient and reliable power station that takes account of its surroundings and the natural environment.