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Introducing Additional Heat Storage to the Hässelby CHP Plant- A Case Study on Ecological and Economical Benefits
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2011 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This paper deals with the cogeneration plant in Hässelby, Sweden and the district heating grid of north-western Stockholm. Before the background of the complex system of plants connected to the district heating grid and a volatile electricity market, the paper shows possible ways to optimise production at the Hässelby cogeneration plant by introducing additional heat storage. The pursued idea is to use heat storage to maximize electricity production during electricity peak price hours and store the excess heat for later supply. At the same time, heat storage can also be used to minimise production from more expensive heat plants. The situation is analysed by using the modelling and simulation software energyPRO. Based on the present value method, the evaluation implies a good investment potential for enlarging the existing heat storage. The conducted sensitivity analysis shows that the present value increases with growing storage capacity. The highest obtained present value is about 12,500,000€.

Place, publisher, year, edition, pages
2011.
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-118477OAI: oai:DiVA.org:kth-118477DiVA: diva2:606462
Uppsok
Technology
Supervisors
Examiners
Available from: 2013-02-27 Created: 2013-02-19 Last updated: 2013-02-27Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Output format
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