Quantifying the operational flexibility of building energy systems with thermal energy storages

Sebastian Stinner, Kristian Huchtemann and Dirk Müller

Applied Energy, 2016, vol. 181, issue C, 140-154

Abstract: The increasing share of fluctuating renewable energy generation in the energy system increases the need for flexibility options. Building energy systems (BES) with their corresponding thermal energy storages (TES) can be one option for supplying flexibility. To use this option efficiently, a framework to quantify the flexibility of the BES is necessary. It is found that the flexibility of a BES can hardly be described with one single flexibility indicator. Therefore, this paper develops a method to analyze the flexibility of BES in terms of time, power and energy. Different influencing factors are considered, like the heat generator and the thermal storage size. Additionally, the option to aggregate the different flexibility measures on a city district level is addressed. This is necessary as single buildings have a minor impact on higher level energy systems. Finally, a comparison to other flexibility options like battery storage is discussed.

Keywords: Flexibility; Storage capacity; Thermal energy storage; Building energy systems; Renewable energy integration (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (79)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:181:y:2016:i:c:p:140-154

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DOI: 10.1016/j.apenergy.2016.08.055

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