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news | 2022-09-15
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European project shows how flexibility from the district heating sector can add values to the energy system

The transformation of the energy sector increases the need for various flexibility services to maintain a balance between energy use and production. The EU Flexi-Sync project has explored how the flexibility available in district heating networks can be optimised and contribute with values for the energy system.

– District heating systems have great potential to deliver cost-effective flexibility, for example through different types of heat storage, heat pumps, cogeneration plants and demand side management of heating customers. If this flexibility potential is used in an optimal way, district heating systems have a good chance of stabilising the power system as well, says Anna Nilsson at IVL Swedish Environmental Research Institute, who is coordinating Flexi-Sync.

By modelling the heating sector in the city Eskilstuna in Sweden, until year 2050, IVL has shown how different forms of flexibility can have a future role in the city's energy system.

– In the future, the city's heat supply will probably be dominated by large heat pumps connected to the district heating network – provided that the price of electricity is reduced thanks to the supply of more renewable electricity, says Dmytro Romanchenko, researcher at IVL.

– According to our modelling, large-scale heat storages could reduce the system cost of supplying heat to the city by the equivalent of around four million Euros over a 30-year period. In addition, it could help reduce the use of, for example, expensive peak-load boilers, which today are often fossil-fuelled.

So how can the flexibility of district heating networks be exploited? In the project, the partners have developed a service to optimise the use of flexibility from both district heating networks and from heat customers. The service is based on platforms previously developed by the companies Utilifeed and NODA Intelligent Systems. During the heating season of 2021-2022, the new service has been tested live in district heating networks and buildings in the Swedish cities of Borås, Eskilstuna and Mölndal, among others.

Read the report here Pdf, 4.7 MB.

For more information, please contact:
Anna Nilsson, anna.nilsson@ivl.se, +46(0)10-788 65 28

About Flexi-Sync

Flexi-Sync is an ERA-Net SES-funded project that brings together 16 organisations in four EU countries: Austria, Germany, Spain, and Sweden. Six district heating networks participate as pilots, three of them are in Sweden: Borås, Eskilstuna and Mölndal. Visit the project website for more information: flexisync.eu External link, opens in new window.


 

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Last updated: 2022-12-06

IVL Swedish Environmental Research Institute

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IVL Swedish Environmental Research Institute has a wide environmental profile. We combine applied research and development with close collaboration between industry and the public sphere. Our consultancy is evidence-based, and our research is characterized by interdisciplinary science and system thinking.

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