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The upgrade of the DH network in Iurreta reaches its turning point

With the upgrades in distribution and piping constructed to a large extent, Iurreta will see its heating system stopped this week to modify its operational principles & adapt it to the RELaTED Ultra Low Temperature DH concept. The last three months have seen the replacement of many devices, installation of new piping, and heavy works by the on-site team. A short overhaul of one week will serve to make the necessary arrangements to adapt heat production to low temperature, the integration of solar thermal systems to the network and many other upgrades so that this 30 year-old system is upgraded to a new era. New low temperature system (left) ready for connection to the existing system (right). [...]

2021-06-29T12:25:21+00:00June 29th, 2021|News|

eTEACHER final conference: Energy-efficient strategies to improve the behaviour of energy users

Are you interested in energy-efficient strategies to improve the behaviour of energy users? Either you are a policymaker, a building manager or an energy company, join the eTEACHER final conference, this webinar is for you. Improving energy behaviour is possible, easy and beneficial thanks to ICT. After four intensive years of work, eTEACHER came to an end. As the last step, the project shares the results achieved and the lessons learnt with its community. The webinar will explore the world of energy-saving app, present the methodology used and the energy toolkit developed. The speakers will provide also suggestions to policymakers to incentivise behavioural change and share lessons learnt by several H2020 energy projects. About the project eTEACHER is a European [...]

2021-06-23T11:15:13+00:00June 23rd, 2021|News|

NIBE delivers customized reversible heat pumps for ultra low temperature district heating

Author: Ted Holmberg and David Kroon, NIBE Research department. In April, NIBE delivered the last district heating reversible heat pump (DHRHP) and accessories to the last demo site Iurreta, Bilbao in the RELaTED project. These heat pumps together with the earlier heat pump, that was shipped to the DTI demo site in Copenhagen, were specifically adapted for the Ultra low temperature district heating (ULTDH) application. This means that these heat pumps typical source temperatures between 0 – 10 ℃ have been increased to 30 – 40 ℃. Also, safety functions have been implemented to utilize pure water as source media instead of commonly used frost protected liquids. Ted Holmberg (left picture) and David Kroon (right picture) at the Research [...]

2021-06-14T09:24:18+00:00June 14th, 2021|Editorial|

The RELaTED Consortium reviews the latest project advances at the 8th General Assembly

Because of the sanitary conditions, the RELaTED project 8th General Assembly (GA) was held in a form of a teleconference on 8 June 2021. During this day the Consortium went through all work packages and reviewed the last technical advancesThe main purpose of this virtual GA was to carry out a formal review of project status including ongoing activities as well as the ones that were accomplished during the last 6 months. As the project is extended until mid 2022, partners had a chance to discuss about the current progression of the 6 work packages and highlight the status of each of the demostration sites in Belgrade (Serbia), Tartu (Estonia), Vinge (Denmark) and Iurreta (Basque Country, Spain). RELaTED team also [...]

2021-06-17T12:14:46+00:00June 9th, 2021|News|

Energy price assessment associated with District Heating in Europe

The energy price assessment provides a review of the fuel types and their costs for the main heat production systems and primary energy sources associated with District Heating (DH) systems in Europe. Within this study, a review of heat production technologies and fuels is presented where the present, medium, and long-term energy costs for district heating networks are identified. Photograph: Flo Dnd in Pexels. The 4th generation District Heating and ULTDH have shown to be a highly efficient, environmentally friendly, and a cost-effective solution for heating and cooling. But to achieve this, conversion of DHNs is needed. To facilitate the conversion towards ULTDH, the RELaTED project has developed an innovative concept of decentralized ULTDH networks, which allows for [...]

2021-06-03T11:29:32+00:00June 3rd, 2021|News|

Inaventa Solar starts a new project based on the results of its collaboration with RELaTED

The Norwegian manufacturer of solar collectors Inaventa Solar has recently started a new project, titled DisolBat (distributed solar and “blue batteries”), which builds on the results of its international collaboration with RELaTED project.  Editor’s Note: This article was previously published at Inaventa Solar website. Work on RELaTED has led to the identification of innovative technical solutions for solar district heating. However, effective business models for the deployment of these solutions have not yet been established. Developing business models that take into account contributions along the entire value chain will therefore be the primary focus of DisolBat, which has been granted the maximum amount of funding available from the Research Council of Norway. Collaboration with the district heating industry Inaventa Solar's [...]

2021-05-06T10:43:31+00:00May 6th, 2021|News|

WEBINAR: Solar energy solutions for decarbonizing ULT DHC

How did the RELaTED pilot site in Denmark use solar power to deliver heat on the ULT DHC network? How can it help foster the EU renovation wave? Watch the recording to know it all. The EU Renovation wave, initiated in October 2020 by the European Commission, has targeted heating and cooling as a key sector in accelerating the renovation rate of buildings in Europe to notably cut CO2 emissions. One of the main aspects is to support the penetration of renewable energy sources (RES) in heating and cooling, including for district heating and cooling (DHC) networks. Solar energy appears to be a great technology for this aim. Its incorporation on existing DHC networks is a solution tested notably in [...]

2021-06-21T10:15:04+00:00April 29th, 2021|Videos|

NIBE’s new solutions for heating will test the posibilities of ULTDH in a building complex in Spain

The Swedish manufacturer NIBE recently sent to Spain some special developed heat pumps and hydraulic modules that will contribute to transform a district heating network into an ultra-low temperature network. These components and solutions will heat and cool two buildings in a corporate building complex in Iurreta, Spain, owned by the Basque Government. This building complex is defined as a demonstration site within the Horizon 2020 project RELaTED. The Swedish manufacturer of intelligent solutions for heating and control NIBE recently sent over to Iurreta, in northern Spain, some special developed components that will contribute to transform the district heating network onwned by the Basque Goverment into an ultra-low temperature network. Specifically, the shipment contained 3 special developed heat pumps, where [...]

2021-04-22T11:09:15+00:00April 22nd, 2021|News|

An innovative solar system will soon be installed in a building complex in Spain

The solar collectors from Inaventa Solar will deliver energy for heating and domestic hot water to a building complex in Spain, owned by the Basque Government. This campus area is defined as a demonstration site within the Horizon 2020 project RELaTED, where the possibilities of ultra-low temperature district heating systems in corporate building complexes are being tested. Editor’s Note: This article was previously published at Inaventa Solar website. Photo: Inaventa Solar. A new solar system is on its way from the factory of the Norwegian manufacturer of solar collectors  Inaventa Solar at Jevnaker to Iurreta in northern Spain. The solar collectors will be installed as a building-integrated solution in one of the south-facing facades of a larger building [...]

2021-04-08T11:22:01+00:00April 8th, 2021|News|

Energy improvement districts in the Basque Country

The RELaTED project deploys a decentralised, Ultra-Low Temperature district heating network concept. In RELaTED, every single building is converted into an energy node, where bi-directional heat exchange is allowed between the network and the building. One of the pilots of the project is located in Iurreta, in the Basque Country (Spain). This demonstration site will showcase the viability of the technology and the feasibility of DH, even in southern Europe. AUTHORS: Jesús M. Casado and José R. López - Ente Vascode la Energía - international@eve.eus District Heating (DH) systems are one of the most energy-efficient heating systems in urban environments, with proven reliability. When combined with renewable and waste heat sources, DH becomes an even higher efficient solution to decarbonise [...]

2021-03-25T12:12:06+00:00March 25th, 2021|News|