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6th African Rift Geothermal Conference | ARGeo-C6 Short Course 1 | Project Management for Geothermal Development
Geothermal Project Timelines
Yngvi Guðmundsson
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project phases
• Resource identification • Potential areas, Defining concession and Allocating concessions
• Exploration • Surface exploration and Exploration drilling
• Plant construction • Production drilling
• Steam gathering, turbine generation system, power lines
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project milestones
• Each phase ends or starts with a major milestones
• Can be very difficult to reach these milestone
• Usually problem with funding/financing
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project duration guidelines (Example, ESMAP Geothermal handbook)
• Most guidelines or literature assume 5-7 Years for project
Activity/Phase Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7
Preliminary survey
Exploration
Test drilling
Project review and planning
Field development
Construction
Start-up and commissioing
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project duration/timeline
• Has significant influence on project feasibility
• Often pressure from government to show progress
• Are Seven years reasonable?
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Examples of projects for comparison
- From Iceland: Krafla, Svartsengi, Nesjavellir, Reykjanes, Hellisheidi and Þeistareykir.
- Key dates generally accessible on company websites, news articles or through literature
- From Kenya: Olkaria and Menengai. - Key dates generally accessible through UNU-GTP articles or news articles
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project duration
Krafla
Krafla Installed capacity: 60 MWe Surface exploration: 1973 Exploration drilling: 1974 Construction start: 1975 Completion of first unit: 1978
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project duration
Svartsengi and Nesjavellir
Nesjavellir Installed capacity: 60 MWe, 200 MWth Resource identification and surface exploration:1946 Exploration drilling: 1986 Construction start: 1989 Completion of first unit: 1990 (only heating)
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Reykjanes
Svartsengi Installed capacity: 75 MWe, 150 MWth Resource identification and surface exploration: Unclear Exploration drilling: 1971 Construction start: 1975 Completion of first unit: 1976 (only heating)
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project duration
Reykjanes
Reykjanes Installed capacity: 100 MWe Resource identification and surface exploration:1953 Exploration drilling: 1997 Construction start: 2004 Completion of first unit: 2006 (50 MWe)
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project duration
Hellisheiði
Hellisheiði Installed capacity: 303 MWe, 133 MWth Resource identification and surface exploration: Unclear Exploration drilling: 2001 Construction start: 2005 Completion of first unit: 2007
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project duration
Theistareykir
Þeistareykir Installed capacity: 45 MWe (in 2017) Resource identification and surface exploration: Unclear Exploration drilling: 2002 Construction start: 2015 Completion of first unit: - in Construction
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project duration
Olkaria
Olkaria Resource identification and surface exploration: Unclear Exploration drilling: 1973 Construction start: 1979 Completion of first unit: 1981
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project duration
Olkaria
Olkaria Estimated total installed capacity: Olkaria I: 45 MWe Olkaria II: 105 MWe Olkaria III: 139 MWe Olkaria IV: 140 MWe Olkaria IAU: 140 MWe Cumulated capacity from multiple well head generators: ~60 MWe
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Geothermal project duration
Menengai
Menengai Installed capacity: 105 MWe (Planned) Start of exploration: 2004 First exploration drilling: 2011 Construction start: 2013 Completion of first unit: in Construction
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Results
• First phase (Resource indentification and surface exploration) does not have a clear start or duration
• New projects take more than seven year if everything is considered
• Shorter by developing small units, simple or direct use units as a first unit
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
New Projects (greenfield) timeline
• 10 years is more realistic if everything is considered
• 5-7 years is reasonable from start of exploration drilling
Activity/Phase Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Year 8 Year 9 Year 10
Resource identification
Surface exploration
Exploration drilling
Field development
Power plant construction
Project Planning
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ARGeo-C6 Short Course 1 | Geothermal Project Management Addis Ababa, Ethiopia | 31 Oct – 1 Nov, 2016
Conclusions
• If additional time is realized in the early phases of the project it can be considered to reduce risk in the project going forward
• If a project fast tracks through the first phases of the project, it should be considered to have higher risk of delay in the later stages.
• Additional time in the first phases allows more time for better project planning