Wind power integration using individual heat pumps – Analysis of different heat storage options

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Significant installations of individual heat pumps are expected in future energy systems due to their economic competitiveness. This case study of the Danish energy system in 2020 with 50% wind power shows that individual heat pumps and heat storages can contribute to the integration of wind power. Heat accumulation tanks and passive heat storage in the construction are investigated as two alternative storage options in terms of their ability to increase wind power utilisation and to provide cost-effective fuel savings. Results show that passive heat storage can enable equivalent to larger reductions in excess electricity production and fuel consumption than heat accumulation tanks. Moreover, passive heat storage is found to be significantly more cost-effective than heat accumulation tanks. In terms of reducing fuel consumption of the energy system, the installation of heat pumps is the most important step. Adding heat storages only moderately reduces the fuel consumption. Model development has been made to facilitate a technical optimisation of individual heat pumps and heat storages in integration with the energy system.
Original languageEnglish
JournalEnergy
Publication date2012
Volume47
Pages284-293
ISSN0360-5442
DOIs
StatePublished

Conference

ConferenceAsia Pacific Forum on Renewable Energy 2011 (AFORE 2011)
CountryKorea, Republic of
CityPusan
Period16/11/1118/11/11
CitationsWeb of Science® Times Cited: 11

Keywords

  • Household heat pumps, Flexible electricity demand, Passive heat storage, Heat accumulation tanks, Model, Energy system
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