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===Energy policy=== ====Energy storage—from characteristics to impact==== *'''Authors:''' Avi M. Gopstein (U.S. Department of Energy, USA) *'''Contact email:''' Avi.Gopstein@science.doe.gov *'''Scope:''' This paper will discuss energy storage at a high level and from the perspective of the physical fundamentals that govern technological performance characteristics of the grid. It will describe the likely menus of solutions available for such issues as massive storage for load-shifting, storage to provide bridging power, storage to assure grid stability, storage to promote power quality, and storage to make electricity more economic. Innovative storage technology will pave the way for longer-term integration of new energy technologies of all kinds, including (but not limited to) hydrogen fusion and the many forms of renewable generation. ====Generation portfolio planning for systems with large penetrations of intermittent renewables==== *'''Authors''': Elaine K. Hart (Stanford University, USA), Mark Z. Jacobson (Stanford University, USA) *'''Contact email:''' jacobson@stanford.edu *'''Scope:''' Minimizing the need for massive energy storage systems on grids with large penetrations of intermittent renewables like wind and solar will require new methods of both system planning and system operation. At the planning stage, the effects of intermittency can be reduced by using optimization methods and large historical and modeled data sets to develop portfolios that best match the aggregated intermittent resources with the load. These models can also be used to approximate the capacities of conventional dispatchable generators or large-scale energy storage facilities required to ensure that these low-carbon systems meet appropriate reliability standards. ==== How thermal energy storage enhances the economic viability of concentrating solar power==== *'''Authors''': Ramteen Sioshansi (The Ohio State University, USA), Paul Denholm (National Renewable Energy Laboratory, USA), and Seyed Madaeni (The Ohio State University, USA) *'''Contact email:''' sioshansi.1@osu.edu *'''Scope:''' Concentrating solar power (CSP) is a promising utility-scale solar generation technology. We will survey the value that thermal-energy storage can provide CSP by providing services, including allowing CSP generation to be shifted to higher-value periods, the size of the solar field to be increased relative to that of the powerblock, and the CSP plant to have a higher effective capacity value. ====The future of solar thermal farms linked by transnational grids==== *'''Authors:''' Stewart Taggart (DESERTEC-Australia) *'''Contact email:''' staggart@desertec-australia.org *'''Scope:''' In this paper, the author(s) will argue Asia's unique geography, factor endowments, economic growth and future energy favor a 'Pan-Asian Energy Infrastructure' patterned after the European DESERTEC Industrial Initiative. The article will focus on Australia's Outback and China's Mongolian solar resources as potential 'anchor tenants' for a region-spanning energy grid stretching from Beijing to the Great Australian Bight. Issues also to be stressed are (a) efficiency of transduction from incident solar watts to shipped transmission-line watts and (b) anticipated transmission losses along megameter links. ====The relative abundance of the elements in the periodic table and their impact on global energy policy==== *'''Authors:''' Derek Abbott (University of Adelaide, Australia) *'''Contact email:''' dabbott@eleceng.adelaide.edu.au *'''Scope:''' This paper examines the relative abundance of the elements in the earth’s crust. Together with known global annual growth rates in their rate of consumption, we compare their ''relative'' extinction times. We then discuss how this information impacts on long-range energy policy in terms of both generation and massive storage. ====State of the art in ultra high voltage transmission lines ==== *'''Authors:''' Thomas J. Hammons (University of Glasgow, UK), Victor Lescale (ABB AB, Sweden), Olof H. Heyman (ABB AB, Sweden), Karl Uecker (Siemens AG, Germany), Marcus Haeusler (Siemens AG, Germany), Dietmar Retzmann (Siemens AG, Germany), Konstantin Staschus (ENTSO-E, Belgium), and Sébastien Lepy (ENTSO-E, Belgium). *'''Contact email:''' T.Hammons@btinternet.com *'''Scope:''' This paper will address the following regarding UHVDC transmission: (i) Why higher voltages? (ii) Converter configurations, (iii) Insulation coordination, (iv) Internal insulation, (v) External insulation. The paper will also discuss UHVDC in relation to renewables.
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