Future of Geothermal Energy, Prof. Roland N. Horne, Stanford University at ICU, Tokyo, 11 Oct. 2019

Title: The Future of Geothermal Energy
Speaker: Prof. Roland N. Horne, Dept of Energy Resources Engineering, Stanford University, Stanford CA 94305-4007, USA
Language: English
Date and time: Friday, 11th of October, 11:30 – 12:40.
Place: Science Hall, International Christian University in Mitaka, N-220.
Organizer: Eckhard Hitzer, ICU.

Content: The past ten years have brought considerable changes to geothermal development. Historically high oil prices since 2005 focused attention on renewable energy, supported by a global ambition to address greenhouse gas reduction. Geothermal developments have accelerated in many parts of the world, both in countries (such as New Zealand, Turkey, Kenya, Indonesia and the US) that have a traditional interest in “conventional” geothermal resources, as well as countries without a historical interest in geothermal energy (such as France and Germany). Some new developments have followed well-worn paths using conventional hydrothermal resources in volcanic regions, while others have struck out in new directions in Enhanced Geothermal System (EGS) projects in nonvolcanic regions. Technology has allowed for developments of conventional resources with lower temperature, restricted water access, and constrained surface utilization. EGS projects have launched in a variety of different directions and places.
In this context, the future expansion of geothermal developments depends on exploring for new fields and overcoming technical challenges in known but not-yet-exploited fields. Longer term expansion will require the development of reliable EGS development procedures that can ensure sustainable flow rates and assure the public that induced seismicity will not be a problem.

About speaker: Roland N. Horne is the Thomas Davies Barrow Professor of Earth Sciences and Professor of Energy Resources Engineering at Stanford University, and Director of the Stanford Geothermal Program. He was formerly the Chairman of the Department of Petroleum Engineering at Stanford from 1995 to 2006. He is best known for his work in well test interpretation, production optimization, and tracer analysis of fractured geothermal reservoirs. So far in his academic career he has supervised the graduate research of 53 PhD and 127 MS students, including about 50 in geothermal topics. Roland is an Honorary Member of the Society of Petroleum Engineers, and a member of the US National Academy of Engineering. He served on the International Geothermal Association (IGA) Board 1998-2001, 2001-2004, and 2007-2010, and was the 2010-2013 President of IGA. He was Technical Program Chairman of the World Geothermal Congress 2005 in Turkey and 2010 in Bali, and again in Melbourne in 2015. Roland is one of the founders of the IGA online database of geothermal conference papers.

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