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Temporospatial techno-economic analysis of heat pumps for decarbonising heat of Great Britain
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Wang, Yang and He, Wei (2021) Temporospatial techno-economic analysis of heat pumps for decarbonising heat of Great Britain. Energy and Buildings, 250 . 111198. doi:10.1016/j.enbuild.2021.111198
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Official URL: http://dx.doi.org/10.1016/j.enbuild.2021.111198
Abstract
Electrification of heat using heat pumps with renewable power presents an attractive and technically feasible pathway for decarbonising heat. However, until now, the uptake of heat pumps is much slower than fossil-fuel-based heating, particularly in the UK. To accelerate the use of heat pumps for national-scale heat decarbonisation, this study proposes new approaches to synthesis high-quality temporospatial energy datasets (e.g. hourly depth-dependent region-based ground source temperature), a new framework that enables a national-scale cost analysis using the synthesised datasets rather than individual location-based analysis, and forward-looking analysis and discussions on potential subsidy structures and technology’s R&D directions for facilitating the transition to low-carbon heat using heat pumps. The results suggest that currently, Renewable Heat Incentive (RHI) subsidised ground source heat pumps have the lowest levelised cost of heat (10-40% lower than gas boilers), benefiting from the high heating efficiency and the ‘feed-in-tariff’ style RHI subsidy. However, considering the change of future subsidies, required advances are analysed to improve the cashflow of owning heat pumps, improve the heating efficiency, integration with low-cost power sources, and reduction of heat demands through homes’ energy efficiency improvements. These insights will help engineers and policy-makers to decarbonise domestic heat using heat pumps.
| Item Type: | Journal Article | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Subjects: | H Social Sciences > HD Industries. Land use. Labor T Technology > TD Environmental technology. Sanitary engineering T Technology > TH Building construction T Technology > TJ Mechanical engineering and machinery |
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| Divisions: | Faculty of Science > Engineering | |||||||||
| Library of Congress Subject Headings (LCSH): | Carbon monoxide -- Environmental aspects -- Great Britain, Energy policy -- Great Britain, Carbon dioxide mitigation -- Great Britain, Air source heat pump systems, Ground source heat pump systems | |||||||||
| Journal or Publication Title: | Energy and Buildings | |||||||||
| Publisher: | Elsevier | |||||||||
| ISSN: | 0378-7788 | |||||||||
| Official Date: | 1 November 2021 | |||||||||
| Dates: |
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| Volume: | 250 | |||||||||
| Article Number: | 111198 | |||||||||
| DOI: | 10.1016/j.enbuild.2021.111198 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| RIOXX Funder/Project Grant: |
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