The citizens of Listed on Bornholm, together with several companies and researchers, have tested an intelligent district heating system in an innovation project that is so good that Denmark’s overall energy cluster has named it the best of the year in 2023.
Solskinsøen in the Baltic Sea has got even more to warm itself by.
In connection with Energy Cluster Denmarks annual meeting, all members of the combined energy cluster have had the opportunity to vote on the Innovation Project of the Year 2023 – and most have pointed to the project Flexibility Heat Grid Bornholm.
Here, Bornholms Energi & Forsyning, together with the technology companies Neogrid Technologies, Utiligize and DTU Elektro, have tested and demonstrated a new data-based management model that will increase the efficiency of district heating consumption, distribution and production by managing the district heating consumption in a household more intelligently. This has happened in close cooperation with a number of citizens in the city of Listed.
The goal has been to increase the efficiency of the district heating system and contribute to the green transition. Energy Cluster Denmark has facilitated the innovation project, which ran from January to December 2022 and had a total budget of DKK 2 million. DKK Flexibility Heat Grid Bornholm was supported by the EU’s Regional Fund.
“This year’s Innovation Project 2023 makes a difference for the citizens of Listed, who both get a lower heating bill and a greener profile – and for the participating companies. It pays to collaborate on innovation, and at Energy Cluster Denmark we are happy to support green innovation that makes a real difference. Congratulations to the participating partners with the award for this year’s innovation project – and to all of us who will also benefit from the collaboration in the long term,” says Glenda Napier, CEO of Energy Cluster Denmark.
The individual customer and the overall system
The partners in the innovation project have achieved several positive effects. This can be seen, for example, in the form of improved cooling, lower return temperatures and a more energy-efficient wiring network. If you look at the energy efficiency and consumption of the homes involved, it applies that the greater the home’s energy consumption, the greater the home’s benefit from intelligent management.
“The Flexibility Heat Grid Bornholm project is one of the projects in which we see a special potential, as it precisely creates an absolutely necessary relationship between the individual customer and the overall supply system. Together, we create the opportunities for both to reduce the consumption of biomass-based fuels, cheaper heating bills for the customer, and in fact also the building blocks for a more robust supply system. In this project, everyone is provided with knowledge and skills that support the absolutely necessary journey we are on at the crossroads between consumer and system to create a more sustainable energy system – we see that as quite excellent”, says Claus Andersen, CEO, Bornholms Energy & Supply.
Green comfort
The households’ district heating is managed by Bornholms Energi & Forsyning on the basis of Neogrid’s communication unit, which has been interconnected with the households’ current system. This system typically consists of a heating circuit and 110 liter hot water tank, which is controlled by a Danfoss control unit. Neogrid’s communication unit has made the control smart and greener. The residents of Listed have also, via an app, had the opportunity to maintain their comfort level, while at the same time saving on the heating bill.
In the near future, Bornholms Energi & Forsyning will initiate a project that in many ways resembles the project in Listed – but on a much larger scale. By scaling the project, it will be easier to qualify the results and validate assumptions about energy efficiency, CO2 reduction and optimized operation. In the long term, the goal is for the results from the collaboration on Bornholm to be scaled up to other district heating systems – both in Denmark and abroad.
Source: IT-Kanalen by it-kanalen.dk.
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