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Techno-Economic Assessment of Active Latent Heat Thermal Energy Storage Systems with Low-Temperature District Heating
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. École des Mines de Nantes - EMN, Energy Systems and Environment - DSEE. (Thermal Energy Storage)ORCID iD: 0000-0002-0194-8317
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. (Thermal Energy Storage)
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. (Thermal Energy Storage)ORCID iD: 0000-0001-6982-2879
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration. (Thermal Energy Storage, Energy Technology)ORCID iD: 0000-0001-9556-552X
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2017 (English)In: International Journal of Sustainable Energy Planning and Management, ISSN 2246-2929, E-ISSN 2246-2929, 5-17 p.Article in journal (Refereed) Published
Abstract [en]

Thermal energy storage (TES) is a set of technologies with the potential to enhance the efficiency and flexibility of the 4th generation of district heating systems. This study presents a comparative techno-economic assessment of active TES systems suited to operate with low-temperature district heating (LTDH) for short-term heat storage applications. Latent heat systems (LH-TES) are compared qualitatively and quantitatively to water-based sensible heat systems (SH-TES). It is concluded that latent heat TES systems are still more expensive than water-based systems regarding energy storage cost (EUR/kWh) ranging from 1.5 to 4 times more, mainly due to the cost of the storage media. However, considering distributed TES systems integrated to LTDH, small-scale active LH-TES systems will become more cost-competitive as storage media costs are expected to decline in the future. This study represents a step forward in the development and improvement of the DH system through the integration of TES which will play a key role in the future smart energy system.

Place, publisher, year, edition, pages
2017. 5-17 p.
Keyword [en]
Low-Temperature District Heating (LTDH); Thermal Energy Storage (TES); Latent heat; Sensible heat; Techno-economic assessment
National Category
Energy Engineering
Research subject
Energy Technology
Identifiers
URN: urn:nbn:se:kth:diva-215049DOI: 10.5278/ijsepm.2017.13.2OAI: oai:DiVA.org:kth-215049DiVA: diva2:1145781
Note

QC 20171003

Available from: 2017-09-29 Created: 2017-09-29 Last updated: 2017-10-03Bibliographically approved

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Castro Flores, José FiacroRossi Espagnet, AlbertoChiu, NingWei JustinMartin, Viktoria
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Citation style
  • apa
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