Renewability of Geothermal Resources
- 09-01-012
Coordinator: Guðni Axelsson, ÍSOR
Project finished in 2014
funding

Total project cost

ISK 67.2 M

GEORG Support

ISK 21.8 M

book

Proceedings

2

Journals

1

Reports

7

student

Phd students

3

Msc students

3

Geothermal resources are classified as renewable, but are a combination of an energy current and vast stored energy. This project focussed on the Reykjanes high-temperature geothermal system at the tip of SW Iceland, where a 100 MWe power plant started operation in 2006. The associated production has caused drastic changes in reservoir conditions. The purpose of the project was to evaluate the renewability of the Reykjanes geothermal system under current utilization, which was done through compilation of available reservoir monitoring data, and collection of micro-gravity and geodetic data.

Consequently these data were jointly interpreted, partly through modelling. The results do indicate, for example, that during the period 2008–2010 the renewal of reservoir fluid through recharge was of the order of 30–50%.

Partners

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Publications

Final report 2014

Plate boundary deformation and manmade subsidence around geothermal fields on the Reykjanes Peninsula, Iceland (2010); Keiding, M., Árnadóttir, Th., Jónsson, S., Decriem, J., Hooper, A.; Journal of Volcanology and Geothermal Research, 194, 4, 139-149

 

Renewability Assessment of the Reykjanes Geothermal System, SW-Iceland (2015); Axelsson, G., Arnaldsson, A., Berthet, J.C.C., Bromley, C.J., Gudnason, E.Á., Hreinsdóttir, S., Karlsdóttir, R., Magnússon, I.Th., Michalczewska, K.L., Sigmundsson, F., Sigurdsson, Ó.; Proceedings World Geothermal Congress 2015 Melbourne, Australia

 

Analysis and Modelling of Gravity Changes in the Reykjanes Geothermal System in Iceland, During 2004-2010 (29-015); Guðnason, E.Á., Arnaldsson, A., Axelsson, G., Berthet, J.C., Halldórsdóttir, S., Magnússon, I.Þ.; Proceedings World Geothermal Congress 2015 Melbourne, Australia

Crustal deformation on the Western Reykjanes Peninsula 2009 to 2014 mapped by InSAR and GPS measurements (2014); Michalczewska, K.L., Hreinsdóttir, S., Dumont, S., Sigmundsson, F.; Institute of Earth Sciences Report, JH1401, University of Iceland,  77.

GNSS- and gravity-surveying on the outer part of the Reykjanes peninsula; Magnússon, I.Th (2013); Report for ÍSOR-2013/066.

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