A new district heating system in the city of Bolanzo: developing smart solutions within "Sinfonia" project

Alessandro Mazzocato, Hongwei Li, S. Marchiori

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Abstract

In the context of the EU project “Sinfonia”, that aims to reduce Bolzano’s primary energy consumption up to 40%, SEL AG, an Italian energy company is planning to extend the existing district heating and cooling (DHC) network and explore strategies to improve efficiency, environmental, and economic performance. This research aims to assess the potential energy saving of temperature and peak heating load reduction in the Bolzano’s DHC network. Historical performance data from district heating (DH) users were collected
and residential building were classified based on construction year and energy performance. The thermal properties of the identified representative
buildings were used to develop an indoor climate and energy simulation model by means of IDA-ICE software. The simulation model was validated through
real on-site temperature measurements. The potential reduction of temperature supply and peak heat load was evaluated by creating different temperature night
setback scenarios. Results indicate that the temperature supply level could be decreased on the consumers’ side up to 60 °C, without significantly affecting people comfort. Moreover night setback strategies produced a reasonable reduction of the peak up to 35% from the initial condition, increasing the
energy consumption by 4 %.
Original languageEnglish
Title of host publicationProceedings of the 14th International Symposium on District Heating and Cooling
Publication date2014
Pages32-40
Publication statusPublished - 2014
Event14th International Symposium on District Heating and Cooling - Stockholm, Sweden
Duration: 7 Sep 20149 Sep 2014
Conference number: 14

Conference

Conference14th International Symposium on District Heating and Cooling
Number14
CountrySweden
CityStockholm
Period07/09/201409/09/2014

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