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Article
Life-Cycle Cost Analysis of an Installed Multiunit Seasonal Thermal Energy Store
Author(s)
Shane Colclough, Neil J. Hewitt and Philip Griffiths
Full-Text PDF XML 517 Views
DOI:10.17265/1934-8975/2017.07.002
Affiliation(s)
Centre for Sustainable Technologies, 26 B 16, Ulster University, Newtownabbey, BT37 0QB, Northern Ireland, UK
ABSTRACT
The financial viability of a solar STES (seasonal thermal energy
store) installed in a mixed commercial and residential multiunit development
of low-energy buildings located in Lysekil, Sweden, a maritime Scandinavian Climate
has been investigated. Using recorded figures for the installation costs and performance, a financial life cycle analysis has been
undertaken to determine the cost effectiveness of the system. The time value of money
is considered and an LCC (life cycle cost)
analysis undertaken to identify the cost-effectiveness of the solution. It shows
that while a direct heating and hot water system incorporating STES can be economically
viable in a Swedish maritime climate in the long term, assistance such as that provided
by government incentives is required to assist with the high capital cost of the
initial investment.
KEYWORDS
STES, passive house, financial analysis, nZEB, passivhaus, seasonal thermal energy storage, storage, LCC analysis.
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