Thermal Energy Storage Working Group

General Coordination: Esther Rojas, CIEMAT, Spain


Promoting collaboration on Thermal Energy Storage (TES) to improve its reliability, integration on CSP plants and to develop a common language.

Activity lines:

Storage Materials


Current status:

Results of the launched round robin tests:

Characterization of specific equipment for commercial TES

Coordinator: M. Rodriguez, CIEMAT, Spain

Current status:

Problems and proposed tests under discussion.

Prototype testing

Coordinator: P. Garcia, CEA, France

Current status:

Existing related documents analyzed -> proposal to limit the scope of the activity to thermocline storage and latent heat storage. Key features under discussion.

Survey of R&D Activities on Thermal Storage Systems

Coordinator: R. Bayón, CIEMAT, Spain

Current status:

Survey of R&D activities on TES updated on September 2017.

Report: Survey on R&D Activities


  • 23-24th June 2015: Workshop at CIEMAT premises.

Last June, CIEMAT hosted the first workshop of the just born TES working group where the activity lines and corresponding responsible people were defined.

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Attendees to the Workshop on behalf of their corresponding centers and companies (SUPSI, DLR, Weizmann Institute, Tecnalia, CEA-LITEN, IMDEA Energía, University of Évora, CENER, ENEA, Abeinsa BD, Abengoa Research, SENER and CIEMAT).

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