Mannvit Engineering

Mannvit Engineering is an engineering firm[1] in Iceland. Mannvit offers engineering, consulting, management, operational and EPCM services to projects all over the world. Mannvit core activities include: geothermal and hydroelectric power development, geothermal district heating, infrastructure and transportation, buildings, renewable energy and climate, environmental consulting, power transmission, industry, IT and telecommunications.[2] Company headquarters are in Kópavogur, Iceland.[3]

Mannvit Engineering
TypePrivate Limited Company
IndustryEngineering, renewable energy, sciences and project delivery
FoundedIceland (2008)
HeadquartersKópavogur, Iceland
Key people
Örn Guðmundsson, CEO
Sigurður Sigurjónsson, Chairman
Revenue5 billion ISK (2021)
Number of employees
272 (2022)


Founded in 2008, Mannvit[4] is the result of the merger of three long-established engineering companies that were all founded in the 1960s: Hönnun hf., VGK hf. and Rafhönnun hf.[5]

The word 'Mannvit' is an ancient Nordic word, from the Icelandic Sagas meaning Wisdom (literally man-wits).[6]


The management team includes a CEO, two Section Managers, CFO and Human Resource Manager.[7] This team is the head of the organizational structure which includes all engineering sectors both domestic and international. Mannvit also utilizes division managers responsible for each core discipline offered by the company.


Mannvit Engineering is a consulting engineering firm that specializes in geothermal,[8] geothermal district heating, hydroelectric, power transmission as well as other renewable energies such as wind power and environmentally-friendly processes, such as hydrogen,[9] biofuels[10] and biogas,[11] anaerobic digestion,[12] waste management,[13] CO2 sequestration,[14][15] carbon dioxide to methanol,[16] and large scale composting.[17] highly specialized technical expertise to service the primary aluminum industry. Additionally, in Iceland the company is involved in infrastructure projects in all fields of design and construction. These include buildings, transportation infrastructure, traffic and planning, environmental studies issues, hydrography measurements, land surveys, geology and acoustics. The company has extensive knowledge in the design of utility systems such, heating, water, data systems or sewage system. Services to these projects include planning, engineering, environmental services, procurement, construction management, project management and EPCM.

Mannvit is a leading consultant in Environmental Impact Assessment (EIA) in Iceland for various industries and projects types, ranging from power to industry. These EIA projects include renewable energy projects, transmission, industrial- and Power-to-X projects.


Mannvit has participated in the development of most of the geothermal power plants in Iceland, including: Theistareykir Geothermal Power Plant,[18] Hellisheidi Geothermal Power Plant[19] [20] (Combined Heat and Power/Cogeneration/CHP), Nesjavellir Geothermal Power Plant[21] (CHP), Krafla Geothermal Power Plant, Bjarnarflag Geothermal Power Plant, Husavik Kalina Cycle Geothermal Power Plant[22] and the Svartsengi Geothermal Power Plant. Recent international projects include geothermal development in Hungary,[23] Indonesia,[24] Kenya and Ethiopia.[25][26]


Mannvit has participated in numerous hydroelectric development projects in Iceland[27] and Greenland. Examples include: Karahnjukar hydroelectric power plant[28] in (690 MW), Vatnsfell Power Station (90MW), Búrfellsstöð hydroelectric power plant (270 MW), Hverfisfljóts small hydroelectric power station (3MW), Múlavirkjun small hydroelectric power station (6MW), Djúpadalsvirkjun small hydroelectric power station (2MW), Tasiilaq small hydroelectric plant (1.2W), Amassalik, Greenland, Qorlortorsuaq small hydroelectric power station (8MW), Greenland.


Business UnitsEdit

Affiliated CompaniesEdit

  • Vatnaskil Consulting Engineers, Reykjavík, Iceland[31]
  • GTN, Geothermie Neubrandenburg GmbH, Germany[32]
  • HRV Engineering, Reykjavík, Iceland[33]
  • Loftmyndir ehf., Reykjavík, Iceland[34]
  • GTN Latin America, Chile[35]


Technip – Partner for U.S. geothermal development[36]


  1. ^ Mims, Christopher (18 February 2009). "Scientific American". Scientific American. Retrieved 17 January 2012.
  2. ^ "Mannvit".{{cite web}}: CS1 maint: url-status (link)
  3. ^ "Contact us". Mannvit. Retrieved 10 February 2022.
  4. ^ "Iceland Export". Retrieved 17 January 2012.
  5. ^ "Company History". Mannvit. Retrieved 10 February 2022.
  6. ^ "Origin of the name". Retrieved 17 January 2012.
  7. ^ "Board of Directors". Mannvit. Retrieved 10 February 2022.
  8. ^ "PRWeb press release". Retrieved 17 January 2012.
  9. ^ "Hydrogen production | Green Hydrogen | Projects". Mannvit. Retrieved 27 September 2022.
  10. ^ "Biofuels PDF" (PDF). Archived from the original (PDF) on 24 February 2012. Retrieved 17 January 2012.
  11. ^ Article produced by Jorunn Gran 24 February 2009 (24 February 2009). "Nordic Energy Solutions article". Nordic Energy Solutions article. Retrieved 17 January 2012.
  12. ^ "Anaerobic Digestion, Anaerobic Digester Design | Mannvit UK". Retrieved 17 January 2012.
  13. ^ "Waste.indd" (PDF). Archived from the original (PDF) on 7 October 2011. Retrieved 17 January 2012.
  14. ^ "Koldís Tackles Carbon Dioxide Emissions". Retrieved 27 September 2022.
  15. ^ "Microsoft Word – CarbFix_StatusReport2008_7" (PDF). Archived from the original (PDF) on 3 March 2012. Retrieved 17 January 2012.
  16. ^ "Exclusive agreement signed with Carbon Recycling International". Mannvit. Archived from the original on 24 October 2012. Retrieved 12 July 2012.
  17. ^ "Mannvit article". Mannvit article. Retrieved 17 January 2012.
  18. ^ "Theistareykir Geothermal Station - The National Power Company of Iceland". Retrieved 27 September 2022.
  19. ^ "Hellisheidi Geothermal Power Plant, Hengill, Iceland". Power Technology. Retrieved 27 September 2022.
  20. ^ Article produced by Erlend Hermansen 23 October 2009 (23 October 2009). "Nordic Energy Solutions". Nordic Energy Solutions. Retrieved 17 January 2012.
  21. ^ "Nesjavellir Geothermal Power Plant". Retrieved 17 January 2012.
  22. ^ harald (22 March 2009). "Iceland University". Retrieved 17 January 2012.
  23. ^ "Renewable energy world". Renewable energy world. Retrieved 17 January 2012.
  24. ^ GeoEnergy, Think (7 July 2022). "Funding by NOPEF helping Icelandic engineering firm footings in Indonesia". Retrieved 27 September 2022.
  25. ^ "Tulu Moye Geothermal | Reykjavik Geothermal". 20 October 2021. Retrieved 27 September 2022.
  26. ^ "Tulu Moye, Ethiopia, geothermal power project". Mannvit. Retrieved 27 September 2022.
  27. ^ Article produced by Eilif Ursin Reed 16 November 2009 (16 November 2009). "Nordic Energy Solutions". Nordic Energy Solutions. Retrieved 17 January 2012.
  28. ^ "Karanjukar Hydroelectric Plant - Design, Engineering & EPCM". Mannvit. Retrieved 27 September 2022.
  29. ^ "Mannvit Hungary" (in Hungarian). Retrieved 17 January 2012.
  30. ^ "Mannvit Norway" (in Norwegian). Retrieved 30 May 2016.
  31. ^ "Vatnaskil homepage". Retrieved 17 January 2012.
  32. ^ Infokom GmbH Mediacenter (30 November 2002). "GTN homepage". Retrieved 17 January 2012.
  33. ^ "HRV homepage" (in Icelandic). Retrieved 17 January 2012.
  34. ^ "Loftmyndir homepage". Archived from the original on 7 January 2012. Retrieved 17 January 2012.
  35. ^ "Mannvit acquires shares in Chile based GTN Latin America | Think GeoEnergy – Geothermal Energy News". Think GeoEnergy. 10 April 2011. Retrieved 17 January 2012.
  36. ^ "Technip partnership". 21 October 2009. Retrieved 17 January 2012.

External linksEdit