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November 12, 2021

Nesjavellir, Iceland

By Carmen

Nesjavellir is a 120MW geothermal power project. It is located in Southwest, Iceland. The project is currently active. It has been developed in multiple phases. Post completion of construction, the project got commissioned in 1998.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Geothermal 120 120 Active Southwest, Iceland Mannvit Engineering


The project was developed by Mannvit Engineering and is currently owned by Orkuveita Reykjavikur.

The geothermal plant is of single flash type. The geothermal site has in total 25 number of wells. Nesjavellir runs at a temperature of 200.

Nesjavellir (Nesjavellir Unit 1) consists of 2 turbines with 30MWe nameplate capacity.

Nesjavellir (Nesjavellir Unit 2) consists of 1 turbine with 30MWe nameplate capacity.

Nesjavellir (Nesjavellir Unit 3) consists of 1 turbine with 30MWe nameplate capacity.

Development Status

The project got commissioned in 1998.

Contractors Involved

Nesjavellir (Nesjavellir) is equipped with Mitsubishi Heavy Industries turbines.

About Mannvit Engineering

Mannvit Engineering (Mannvit) is a provider of engineering and consulting services. The company’s service portfolio comprises of project management, construction management, geotechnical engineering, software and system engineering, structural design, landscape analysis and assessment, mechanical engineering, environmental risk assessment, earthquake engineering, and safety management among others. It caters services to renewable energy, climate, power transmission, information technology, infrastructure, transportation, telecommunication sectors. The company is expertise in utility systems such as heating, water, sewage systems, traffic planning, environmental studies, hydrographic measurements, land surveys, geology and acoustics among other services. It has operational presence across the UK, Greenland, Germany, Hungary, Chile, Norway, and Indonesia. Mannvit is headquartered in Kopavogur, Iceland.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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