Expanding Building Archetypes to Estimate the Indoor Environment Thermal Storage Capacity in the Danish Building Stock when Performing Demand Response

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Abstract

Short-term demand response leveraging the energy flexibility of the building stock is a key solution to decarbonise and ensure the reliability and sustainability of smart energy grids dominated by intermittent renewable energy sources. Most of the building demand response capacity depends on different forms of energy storage in the built environment. In addition to electric batteries, hot water storage tanks, ground source heat exchanger or dispatchable on-site renewable energy sources, buildings possess a tremendous thermal storage capacity within the thermal inertia of their structure and indoor environment. The latter can easily be harnessed with heating/cooling indoor temperature setpoint modulation strategies. However, there is a clear lack of large-scale estimates of this indoor environment thermal storage capacity in the different building stocks. To tackle this issue, detailed dynamic numerical models of the different building typologies in European countries are generated to assess the potential of demand response strategies at nationwide levels. The current paper presents the preliminary results on the thermal storage capacity in the Danish building stock when performing heating temperature setpoint modulation. These results are based on estimates of the effective thermal inertia of the different building archetypes in Denmark. They show that the Danish building stock contains immense thermal storage capacity, which is comparable to all combined batteries in a large fleet of electric vehicles or all industrial-size storage tanks in district heating plants.
Original languageEnglish
Title of host publicationBuildSim Nordic 2024 - Conference Proceedings
Publication statusAccepted/In press - Jun 2024
EventConference of International Building Performance Simulation Association : BuildSim Nordic 2024 - Espoo, Finland
Duration: 9 Jun 202411 Jun 2024
Conference number: 11
https://buildsimnordic2024.ibpsa-nordic.org/

Conference

ConferenceConference of International Building Performance Simulation Association : BuildSim Nordic 2024
Number11
Country/TerritoryFinland
CityEspoo
Period09/06/202411/06/2024
Internet address

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