Harnessing Flexibility from Hot and Cold

Research output: Contribution to journalJournal article – Annual report year: 2017Researchpeer-review


  • Author: Kiviluoma, Juha

    VTT - Technical Research Centre of Finland, Finland

  • Author: Heinen, Steve

    University College Dublin, Ireland

  • Author: Qazi, Hassan

    University College Dublin, Ireland

  • Author: Madsen, Henrik

    Dynamical Systems, Department of Applied Mathematics and Computer Science , Technical University of Denmark, Asmussens Allé, 2800, Kgs. Lyngby, Denmark

  • Author: Strbac, Goran

    Imperial College London, United Kingdom

  • Author: Kang, Chongqing

    Tsinghua University, China

  • Author: Zhang, Ning

    Tsinghua University

  • Author: Patteeuw, Dieter

    KU Leuven, Belgium

  • Author: Naegler , Tobias

    German Aerospace Center, Germany

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As has been often reported, electricity systems with high levels of variable wind and solar power generation would benefit from demand flexibility. What is not as often mentioned is that electrification of the transport and heat sectors could exacerbate the need for flexibility, if they are implemented as inflexible loads. This demand
could also be made more flexible, but it comes with a cost. The main issue is to identify the cases in which the benefits will outweigh those costs, a matter that will naturally depend on the evolution of specific energy systems. In this article, we lay out some generic principles and characteristics related to heatsector flexibility and demonstrate its possibilities using specific examples. While we generally use the word heat here, most of the discussions also apply to cool, which, after all, is just another form of temperature difference. A major potential for flexibility in the heat sector results from the low cost of storing heat, which allows opportunities to shift electricity demand. Another possibility is to utilize hybrid systems in which either electricity or fuel can be used to produce heat depending on price variations between the two options.
Original languageEnglish
JournalIEEE Power & Energy Magazine
Issue number1
Pages (from-to)25-33
Publication statusPublished - 2017
CitationsWeb of Science® Times Cited: No match on DOI
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ID: 130800772