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IEA SHC Task 42 / ECES Annex 29 : A Simple Tool for the Economic Evaluation of Thermal Energy Storages

Title data

Rathgeber, Christoph ; Hiebler, Stefan ; Lävemann, Eberhard ; Dolado, Pablo ; Lazaro, Ana ; Gasia, Jaume ; de Gracia, Alvaro ; Miró, Laia ; Cabeza, Luisa F. ; König-Haagen, Andreas ; Brüggemann, Dieter ; Campos-Celador, Álvaro ; Franquet, Erwin ; Fumey, Benjamin ; Dannemand, Mark ; Badenhop, Thomas ; Diriken, Jan ; Nielsen, Jan Erik ; Hauer, Andreas:
IEA SHC Task 42 / ECES Annex 29 : A Simple Tool for the Economic Evaluation of Thermal Energy Storages.
In: Energy Procedia. Vol. 91 (June 2016) . - pp. 197-206.
ISSN 1876-6102
DOI: https://doi.org/10.1016/j.egypro.2016.06.203

Abstract in another language

Within the framework of IEA SHC Task 42 / ECES Annex 29, a simple tool for the economic evaluation of thermal energy storages has been developed and tested on various existing storages. On that account, the storage capacity costs (costs per installed storage capacity) of thermal energy storages have been evaluated via a Top-down and a Bottom-up approach. The Top-down approach follows the assumption that the costs of energy supplied by the storage should not exceed the costs of energy from the market. The maximum acceptable storage capacity costs depend on the interest rate assigned to the capital costs, the intended payback period of the user class (e.g. industry or building), the reference energy costs, and the annual number of storage cycles. The Bottom-up approach focuses on the realised storage capacity costs of existing storages. The economic evaluation via Top-down and Bottom-up approach is a valuable tool to make a rough estimate of the economic viability of an energy storage for a specific application. An important finding is that the annual number of storage cycles has the largest influence on the cost effectiveness. At present and with respect to the investigated storages, seasonal heat storage is only economical via large sensible hot water storages. Contrary, if the annual number of storage cycles is sufficiently high, all thermal energy storage technologies can become competitive.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: Proceedings of the 4th International Conference on Solar Heating and Cooling for Buildings and Industry (SHC 2015) in Istanbul, Turkey
Keywords: sensible heat storage; latent heat storage; thermochemical heat storage; storage capacity costs
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Engineering Thermodynamics and Transport Processes
Faculties > Faculty of Engineering Science > Chair Engineering Thermodynamics and Transport Processes > Chair Engineering Thermodynamics and Transport Processes - Univ.-Prof. Dr.-Ing. Dieter Brüggemann
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Faculties
Faculties > Faculty of Engineering Science
Profile Fields
Profile Fields > Emerging Fields
Research Institutions
Research Institutions > Research Units
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 01 Mar 2019 08:27
Last Modified: 07 Mar 2019 07:39
URI: https://eref.uni-bayreuth.de/id/eprint/47433