Proceedings of the International Renewable Energy Storage and Systems Conference (IRES 2023)

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Optimisation of a Theoretical District Heating System with Seasonal Thermal Energy Storage

Authors
Miguel Angel Pans Castillo1, *, Philip Eames1
1Centre for Renewable Energy Systems Technologies (CREST), Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Leicestershire, LE11 3TU, UK
*Corresponding author. Email: m.pans-castillo@lboro.ac.uk
Corresponding Author
Miguel Angel Pans Castillo
Available Online 11 July 2024.
DOI
10.2991/978-94-6463-455-6_7How to use a DOI?
Keywords
district heating; thermal energy storage; modelling; optimization; zero-carbon sources; CO2 emissions
Abstract

A novel model was used to simulate how an existing district heating (DH) network for Holywell Park, Loughborough University (Loughborough, UK) could be transitioned to low/zero carbon heat. A simulation which includes heat pumps (HPs) and evacuated-tube solar thermal collectors (ETSTCs) to both provide heat for buildings and charge a potential seasonal thermal energy storage (STES) system was performed. Both a) real historic half-hourly CO2 emissions per kWh of electricity and b) real historic half-hourly heat demands for Holywell Park for the year 2021 were used in the simulations. The model assumes that HPs can only be used to charge STES systems at those times when the CO2 emissions associated with grid electricity are zero. A parametric analysis was used to investigate the effect of a) the inclusion of STES in the DH system and b) when including the STES 1) the volume of STES system and 2) maximum amount of zero-emissions electricity available to charge STES (ECO2 = 0, STES) on the levelised cost of heat (LCOH) for a 23 year simulation period.

Copyright
© 2024 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title
Proceedings of the International Renewable Energy Storage and Systems Conference (IRES 2023)
Series
Atlantis Highlights in Engineering
Publication Date
11 July 2024
ISBN
10.2991/978-94-6463-455-6_7
ISSN
2589-4943
DOI
10.2991/978-94-6463-455-6_7How to use a DOI?
Copyright
© 2024 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - Miguel Angel Pans Castillo
AU  - Philip Eames
PY  - 2024
DA  - 2024/07/11
TI  - Optimisation of a Theoretical District Heating System with Seasonal Thermal Energy Storage
BT  - Proceedings of the International Renewable Energy Storage and Systems Conference (IRES 2023)
PB  - Atlantis Press
SP  - 55
EP  - 64
SN  - 2589-4943
UR  - https://doi.org/10.2991/978-94-6463-455-6_7
DO  - 10.2991/978-94-6463-455-6_7
ID  - Castillo2024
ER  -