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Sustainable Geothermal Utilization The promotion of sustainable utilization of geothermal energy is the main aim of the IEA-GIA for the 2007-2012 period. As part of this effort, we are providing access to two recent papers and a comprehensive list of references here. Geothermal Resources- Utilization Strategies to Promote Beneficial Environmental Effects and to Optimize Sustainability (This paper incorporates information from GIA Participants. It was presented at the Renewable Energy Conference 2006, Chiba, Japan) To access, click: Sustainable Use (pdf, 62 kB) Geothermal Sustainability- A Review with Identified Research Needs (Though not a GIA policy paper, this paper was written as an initial step in developing a GIA policy on sustainable use of geothermal energy. It was presented at the GRC 2006 Annual Meeting, San Diego, USA) To access, click: Geothermal Sustainability (pdf, 736 kB) Geothermal Sustainability- A Reference List To access, click: Sustainability Reference List (pdf, 20 kB) --------------- Papers/Reports- for Review and Comment IPCC Geothermal Document The geothermal contribution to the Intergovernmental Panel on Climate Change (IPCC) proceedings (20-25 January 2008): The Possible Role and Contribution of Geothermal Energy to the Mitigation of Climate Change is available below for your comment. Note that it does not represent the views or opinions of the IEA-GIA. Please send your comments to: GIA Secretary- IPCC Geothermal Comments The DEADLINE for receipt of comments is: 22 June 2008. To access, click: IPCC Geothermal (pdf, 0.63 MB) To access the entire IPCC Proceedings, click: IPCC Proceedings (pdf, 16.9 MB) To access Comments Received as of 17 June 2008, click: IPCC Geothermal Comments 1 (pdf, 3 kB) IPCC Geothermal Comments 2 (pdf, 6 kB) IPCC Geothermal Comments 3 (pdf, 4 kB) IPCC Geothermal Comments 4 (pdf, 3 kB) IPCC Geothermal Comments 5 (pdf, 4 kB) IPCC Geothermal Comments 6 (pdf, 3 kB) IPCC Geothermal Comments 7 (pdf, 3 kB) IPCC Geothermal Comments 8 (pdf, 11 kB) IPCC Geothermal Comments 9 (pdf, 10 kB) IPCC Geothermal Comments 10 (pdf, 3 kB) IPCC Geothermal Comments 11 (pdf, 6 kB) IPCC Geothermal Comments 12 (pdf, 12 kB) IPCC Geothermal Comments 13 (pdf, 53 kB) IPCC Geothermal Comments 14 (pdf, 31 kB) IPCC Geothermal Comments 15 (pdf, 10 kB) ---------------------------- Induced Seismicity Induced seismicity is a very important current geothermal issue, especially as it relates to the development of Enhanced Geothermal Systems (EGS). The following protocol document is being developed as part of Annex I Task D activities to provide a general guide to point out possible steps that the geothermal developer can take to deal with induced seismicity. Another period for review and comment is open until 30 June 2008. Please send your comments to: GIA Secretary- Protocol Comments Draft Protocol for Induced Seismicity Associated with Enhanced Geothermal Systems- version 9 April 2008 To access, click: Draft Protocol (pdf, 42 kB) To access Comments Received, click: Protocol Comments 1 (doc, 115 kB) Protocol Comments 2 (pdf, 19 kB) Protocol Comments 3 (pdf, 4 kB) Protocol Comments 4 (pdf, 47 kB) ---------------------------- Papers/Reports- Drafts No documents at this time ---------------------------- Papers/Reports/Handbooks/Presentations- Published Induced Seismicity Induced seismicity is one of the most important geothermal issues currently being investigated, especially in association with the development of Enhanced Geothermal Systems (EGS). The following papers/reports describe some of the most recent work on this topic. Geothermal Energy from Fractured Reservoirs- Dealing with Induced Seismicity (Published in the IEA OPEN Bulletin #48, February 2008) To access, click: Induced Seismicity Cooper Basin HDR Hazard Evaluation: Predictive Modelling of Local Stress Changes due to HFR Geothermal Energy Operations in South Australia. Note that this document does not represent the views or opinions of the IEA-GIA. The report may be accessed at: PIRSA (pdf, 7.86 MB) Induced Seismicity Associated with Enhanced Geothermal Systems (Produced in association with Annex I research and now published in: Geothermics, vol. 36 (2007), 185-222) --------------- IEA-GIA Organization The IEA-Geothermal Implementing Agreement (GIA)- Advancing into its Third Term. (Presented at the IEA Networks of Expertise in Energy Technology (NEET) Workshop in Beijing, China, 1-2 November 2007) To access, click: GIA NEET (pdf, 691 kB) --------------- Enhanced Geothermal Systems Enhanced geothermal systems (EGS) technologies are being developed to exploit the deep, extremely large "heat" resources that exist almost anywhere on earth, in a sustainable and environmentally acceptable manner for both electricity generation and direct use applications. The EGS-PMDA- Technical and organizational data and knowledge accumulated over some 30 years at many EGS research projects in different countries has now been synthesized and developed into the first version of an EGS- Project Management Decision Assistant (PMDA) tool as part of the work in Annex III Task C. The EGS-PMDA handbook for starting new EGS projects, which has now been distributed to over 10 institutions, is still available. For Institutions in GIA Member Countries [Australia, France, Germany, Iceland, Italy, Japan, Mexico, New Zealand, Republic of Korea, Switzerland and the United States] and Institution/Industry Members [Geodynamics, Green Rock Energy and ORMAT Technologies] the cost is: US$ 220 (including shipping). For others is: US$ 300 ( including shipping). For further information, or to order, contact: Thomas Megel To read an overview of the EGS-PMDA, click: IEA-GIA PMDA (pdf, 555 kB)
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The IEA Geothermal Implementing Agreement- Its Goals, Activities, Benefits, Obligations and Costs (13 November 2007)
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Titles of papers reporting recent work conducted as part of GIA Annex activities may be found in Section 12 of the GIA 2002-2007 End of Term Report (see above). Annex I Environmental Impacts of Geothermal Energy Development Hunt, T.M. (Ed.): 2005. Special Issue on Environmental Aspects of Geothermal Development. Geothermics, 34, No. 2. --------------- Annex III Enhanced Geothermal Systems (EGS)
An Enhanced Geothermal Systems Economic Model: http://web.mit.edu/hjherzog/www/ --------------- Annex IV Deep Geothermal Resources
--------------- Annex VII Advanced Geothermal Drilling Techniques
(Please send your comments to: Dr Steve Bauer) --------------- Annex VIII Direct Use of Geothermal Energy Muraoka, H., Sakaguchi, K., Nakao, S. and Kimbara, K. 2006. Discharge temperature- discharge rate correlation of Japanese hot springs driven by bouyancy and its application to permeability mapping. Geophysical Research Letters, 33, L10405, doi:10.1029/2006GL026078, 2006, 4 p. |
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