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The Upgrade DH project supports the upgrading and retrofitting process of DH systems in different climate regions of Europe, covering various countries: Bosnia-Herzegovina, Denmark, Croatia, Germany, Italy, Lithuania, Poland, and The Netherlands. The objective of the project is to initiate the upgrading process of concrete DH systems in each of the target countries, the so-called Upgrade DH demonstration cases (demo cases). The gained knowledge and experiences are further replicated to other European countries and DH systems (replication cases) in order to leverage the impact. Core activities of the Upgrade DH project include the collection of the best upgrading measures and tools, the support of the upgrading process for selected district heating networks, the organisation of capacity building measures about DH upgrading, financing and business models, as well as the development of national and regional action plans. In addition, an image raising campaign for modern DH networks is carried out in the Upgrade DH project. The outcome is the initiation of district heating upgrading process in the above-mentioned target countries and beyond. The present paper summarizes the results of the project, which is close to its finalization.

The Upgrade DH project supports the upgrading and retrofitting process of DH systems in different climate regions of Europe, covering various countries: Bosnia-Herzegovina, Denmark, Croatia, Germany, Italy, Lithuania, Poland, and The Netherlands. The objective of the project is to initiate the upgrading process of concrete DH systems in each of the target countries, the so-called Upgrade DH demonstration cases (demo cases). The gained knowledge and experiences will be further replicated to other European countries and DH systems (replication cases) in order to leverage the impact. Core activities of the Upgrade DH project include the collection of the best upgrading measures and tools, the support of the upgrading process for selected district heating networks, the organisation of capacity building measures about DH upgrading, financing and business models, as well as the development of national and regional action plans. In addition, an image raising campaign for modern DH networks is carried out in the Upgrade DH project. The outcome is the initiation of district heating upgrading process in the above-mentioned target countries and beyond. The present paper summarizes the results of the pre-feasibility studies of the demo cases.

In the EU around 40% of bio-waste (organic fractions of municipal solid waste including food waste) still goes to landfills. In some Member States this waste is almost completely landfilled. An estimation is that about one-third of Europe`s 2020 targets for renewable energy in transport could be met by using biogas produced from bio-waste (including food waste), and around 2% of the EU`s overall renewable energy target could be met if all bio-waste were turned into energy.Modern and environmentally friendly waste management is still not introduced in many European cities and regions. This problem is tackled by the Bin2Grid project which promotes the “food waste to biomethane” concept in four large European cities in order to serve as flagship examples for other cities.The objective of the Bin2Grid project is to support biomethane production and its use in transport by using segregated food waste from the food and beverage industry, catering sector, and from households(MSW) as feedstock. Focus of the Bin2Grid project is on the development of value chain concepts for four European cities: Zagreb (Croatia), Skopje (Macedonia), Malaga (Spain), and Paris (France). The Bin2Grid project highlights the multiple environmental benefits of source-separate waste collection and conversion of that feedstock into biomethane, in comparison to other treatment methods (landfilling, incineration, MBT, composting). A Benchmark Tool was developed by the project and is presented in this paper., Proceedings of the 25th European Biomass Conference and Exhibition, 12-15 June 2017, Stockholm, Sweden, pp. 204-209

Kontekst, vizija, ciljevi, scenariji, mjere, procjena utjecaja scenarija na okoliš, gospodarstvo i društvo, financiranje.

Farming sector, in general, is a big producer of manure and thereby also a big producer of greenhouse gasses. The issue of methane production from animals on farms should be seen as an opportunity in producing green energy and contributing into reducing green house effect. Croatian farming sector is pretty undeveloped if we compare it to the other EU member states. This is one of the legacies from past state where agriculture was not something worth of heavy investments. This was not only the case for Croatian farming sector, but also Croatian agriculture in general for the last twenty or more years. However in the last five years there were a lot of improvements and investments in agriculture and in the farming sector. More and more questions regarding energy issues and energy management on farms are becoming important. But this is still not enough if we want to use all of our resources and potentials. If we consider the fact that there are more than 24 200 pig farms in Croatia and over 240 000 dairy cows alone it is obviously that there is a big potential for biogas production. Especially if we consider the fact that there is no serious biogas plat in Croatia jet. All of this information with a promising increase in agricultural investing leads us to a question of total biogas potential for the farming sector in Croatia. Through this paper we will show the total number of farms and their potential for producing, storing or using biogas. The main challenges would be to separate small family farms that basically have no biogas potential and bigger modern farms that could be considered for biogas production. One other concept would be the possibility of gathering farms for joint biogas production but for this scenario special calculation should be made taking into consideration economic viability and distances between farms. The value of finding Croatian s biogas potential regarding farms is also important since farms are consuming a lot of energy in their everyday operations: water heaters, milk coolers, vacuum pumps, lighting, irrigation pumps, fodder dryers, ventilation etc. A lot of this energy consumption can be compensated from renewable energy source like biogas. This is also one of the aspects of this research. In this case primary focus is on electrical energy that could be produced from burning biogas in an engine but also heat energy that could be produced in this process.

The Upgrade DH project supports the upgrading and retrofitting process of DH systems in different climate regions of Europe, covering various countries: Bosnia-Herzegovina, Denmark, Croatia, Germany, Italy, Lithuania, Poland, and The Netherlands. The objective of the project is to initiate the upgrading process of concrete DH systems in each of the target countries, the so-called Upgrade DH demonstration cases (demo cases). The gained knowledge and experiences will be further replicated to other European countries and DH systems (replication cases) in order to leverage the impact. Core activities of the Upgrade DH project include the collection of the best upgrading measures and tools, the support of the upgrading process for selected district heating networks, the organisation of capacity building measures about DH upgrading, financing and business models, as well as the development of national and regional action plans. In addition, an image raising campaign for modern DH networks is carried out in the Upgrade DH project. The outcome is the initiation of district heating upgrading process in the above-mentioned target countries and beyond. The present paper summarizes the results of the pre-feasibility studies of the demo cases., Proceedings of the 28th European Biomass Conference and Exhibition, 6-9 July 2020, Virtual, pp. 890-893

The Upgrade DH project supports the upgrading and retrofitting process of DH systems in different climate regions of Europe, covering various countries: Bosnia-Herzegovina, Denmark, Croatia, Germany, Italy, Lithuania, Poland, and The Netherlands. The objective of the project is to initiate the upgrading process of concrete DH systems in each of the target countries, the so-called Upgrade DH demonstration cases (demo cases). The gained knowledge and experiences are further replicated to other European countries and DH systems (replication cases) in order to leverage the impact. Core activities of the Upgrade DH project include the collection of the best upgrading measures and tools, the support of the upgrading process for selected district heating networks, the organisation of capacity building measures about DH upgrading, financing and business models, as well as the development of national and regional action plans. In addition, an image raising campaign for modern DH networks is carried out in the Upgrade DH project. The outcome is the initiation of district heating upgrading process in the above-mentioned target countries and beyond. The present paper summarizes the results of the project, which is close to its finalization., Proceedings of the 29th European Biomass Conference and Exhibition, 26-29 April 2021, Online, pp. 1333-1337