Total project cost
ISK 37.8 M
ISK 17.8 M
Preventive Maintenance (PM), Condition-Based Maintenance (CBM) and Corrective Maintenance (CM) methods are commonly applied in geothermal power plants (GPP) and each has its strengths and weaknesses when applied to different maintenance scenarios. In order to achieve an optimum and cost effective maintenance strategy the proper program for the scenario must be selected from the different maintenance methods.
In this project the maintenance required and carried out for steam and fluid equipment in GPPs – from borehole to injection well – were documented and analysed. Real performance data was used to study currently used maintenance methods and to investigate approaches for more efficient maintenance management.
Final report 2015
Modeling the Difference in Ground-Motion Magnitude-Scaling in Small and Large Earthquakes (2013); Atlason, R.S., Unnthorsson R., POWER, 157, 11, 18-+
Wellhead Scaling Problems in Geothermal Power Plants Addressed Using a Needle Valve Derivative; Atlason, R. S., & Unnthorsson, R. (2014); ASME 2014 Power Conference.
Geothermal Wellhead Maintenance: A Statistical Model Based on Documented Icelandic Experience; Atlason, R.S., Unnthorsson R. (2015, January); Geothermics, 53, 147–153.
Turbine Repair at Nesjavellir Geothermal Power Plant: an Icelandic Case Study; Atlason, R.S., Gunnarsson, A., Unnthorsson R. (2015, January); Geothermics, 53, 166–170.
Innovation and development in geothermal turbine maintenance based on Icelandic experience; Atlason, R. S., Unnthorsson, R., Oddsson, G. V. Geothermics, 56, 72-78.
Geothermal Power Plant Maintenance: Evaluating Maintenance System Needs Using Quantitative Kano Analysis; Atlason, R. S., Oddsson, G. V., Unnthorsson, R.; Energies, 7(7), 4169-4184.
Theorizing for improved maintenance management: using case studies from the Icelandic geothermal sector; Atlason, R. S., Oddsson, G. V., Unnthorsson, R.; Energies 2015, 8, 4943-4962.