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Financial analysis of an installed small scale seasonal thermal energy store

Colclough, Shane and Griffiths, Philip (2016) Financial analysis of an installed small scale seasonal thermal energy store. Renewable Energy, 86 . pp. 422-428. [Journal article]

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URL: http://doi.org/10.1016/j.renene.2015.08.032

DOI: 10.1016/j.renene.2015.08.032


The financial viability of an installed solar heating system incorporating a Seasonal Thermal Energy Store (STES) for a house constructed to the low-energy Passivhaus standard is analysed. Details are provided of system costs and the recorded performance for the installation which is located in Galway, Ireland, a location which experiences a Temperate Maritime Climate. Using these figures, a financial Life Cycle Analysis has been undertaken to determine the cost effectiveness of the system in providing space heating and domestic hot water.As part of the life cycle cost analysis the effect of the treatment of the terminal value of the STES was considered. The analysis shows that irrespective of the terminal value attached to the STES, the use of solar thermal energy in combination with an STES offered a more favourable business case than the use of electricity for DHW and space heating over the 40 year time period considered. This shows that a direct space heating and DHW system incorporating STES can be economically viable in a Temperate Maritime Climate in the long term.

Item Type:Journal article
Keywords:Combisystems; Financial analysis; Low energy house; Passivhaus; Seasonal thermal energy storage; STES
Faculties and Schools:Faculty of Art, Design and the Built Environment
Faculty of Art, Design and the Built Environment > School of the Built Environment
Research Institutes and Groups:Built Environment Research Institute > Centre for Sustainable Technologies (CST)
Built Environment Research Institute
ID Code:32361
Deposited By: Professor Philip Griffiths
Deposited On:07 Oct 2015 11:20
Last Modified:15 Apr 2017 21:38

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