ELEC9714 Assignment 1 by Yijun Huang

ELEC9714 Electricity Industry Planning & Economics
Assignment 1

A Brief Introduction to Engineered Geothermal
System (EGS) Based on Australian Energy
Technology Assessment (AETA)
Date: 30 Mar 2015
YIJUN HUANG

Contents
1.

Capital Cost and Levelized Cost of Electricity of EGS ................................................................ 1
1.1
Capital Cost of EGS in 2012 ........................................................................................... 1
1.2
Levelized Cost of Electricity (LCOE) of EGS .................................................................... 1
2. Estimated Capital Costs and Operation & Maintenance Cost of EGS........................................ 2
2.1
Estimated Capital Costs in the first year........................................................................ 2
2.2
Fixed and Variable O&M cost ........................................................................................ 2
3. Estimated LCOE Changes in different factors in 2025 ............................................................... 2
4. Comparison with Hot Sedimentary Aquifer (HSA) .................................................................... 3
5. Key siting requirements for EGS ................................................................................................ 3
6. Potential environmental impacts of EGS appliance .................................................................. 4
7. Potential societal implications of EGS ....................................................................................... 4
8. Potential technical & economical risks of EGS .......................................................................... 4
9. Suggestions for AETA-EGS ......................................................................................................... 4
10.
Suggestions for AETA ............................................................................................................. 4
Conclusion

References: Australian Government Bureau of Resources and Energy Economics, 2012, ‘Australian Energy Technology Assessment’, pp.53-55. Australian Government Bureau of Resources and Energy Economics, 2013, ‘Australian Energy Technology Assessment 2013 Model Update’. World Energy Council, 2015, ‘World Energy Issues Monitor’. Li, M and Lior, N, 2014, ‘Comparative Analysis of Power Plant Options for Enhanced Geothermal Systems (EGS)’, the 27st International Conference on Efficiency, Cost, Optimization, Simulation Lars Anders, D, 2011, ‘Engineered Geothermal Systems’ Sanyal, S, K, Morrow, J, W, Butler, S, J, and Tait, A, R, ‘Cost of Electricity from Enhanced Geothermal Systems’, GeothermEx, Inc. Stanford University, Stanford, California, January 22-24, 2007 187 no. 4179 pp. 795-803 5