Upgrade DH
Upgrade DH: Upgrading the Performance of District Heating Networks in Europe

News & Events



09.07.2021 Check the brochure "District heating and cooling - a modern solution to traditional challenges"
09.07.2021 Join German expert knowlede sharing workshop on 18.08.2021
02.07.2021 Join the Final Upgrade DH Conference on 15 September 2021
29.06.2021 Energy transition - Lithuania sets records in speed and scope
14.06.2021 Video on solar thermal energy in district heating
26.05.2021 Join the Virtual Power Plant Tour and Webinar on Efficient and Renewable Heat Networks on 16.06.2021
27.04.2021 Press release - UpgradeDH recommendations to support national District Heating & Cooling Action Plans
07.04.2021 Tuzla joins #DHCities in the campaign We are all connected
12.02.2021 Join the webinar Retrofitting DHC - How to develop a successful action plan, 23.02.2021
14.01.2021 Webinar: Retrofitting with renewable energies - finding the right mix, 26.01.2021
30.10.2020 Online Upgrade DH Workshop on 12.11.2020 alongside the KeepWarm final event
30.10.2020 Photo competition Meet the ones who keep you warm! in the framework of the #DHCitizen campaign
02.10.2020 Digital Event: The Future of district heating in Italy
EU project UpgradeDH launches campaign: Become a #DHCitizen!
3.07.2019 New handbook on upgrading district heating grids in Europe published
27.05.2020 Webinar on upgrading heat distribution and piping technologies
29.04.2020: A series of public thematic webinars by UpgradeDH partners
1.10.2019 The Upgrade DH project and the Handbook is in the news of the European Commission
9.04-12.04.2019: Progress Meeting and site visit of the demo case in Bosnia & Herzegovina
10.10-12.10.2018: 1st Progress Meeting and site visit of the demo case in Lithuania
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Tuzla, Bosnia Herzegovina

The city of Tuzla is placed in North-East part of the country, with around 170,000 inhabitants. The DH system is based on cogeneration (CHP) in Tuzla’s coal-based power plant (Tuzla TPP)operated by EPBiH power utility. Tuzla TPP is the supplier of heat to both Tuzla City (220 MWth) and Lukavac city (50 MWth). In the near future, the town of Ĺ˝ivinice is planned to be supplied with the thermal power of 70 MWth.

          

The instantaneous power of DH Tuzla is 220 MWth, with designed temperature regime 145/75 °C at -17 °C outdoor air temperature and steady fluid flow. The DH Tuzla system consists of 10 km of main pipeline (DN600-DN250), while about 170 km of heating network is ensuring that heat from the Tuzla TPP reaches the customers. Around 80% of consumers in Tuzla city are connected to the DH Tuzla. There are around 900 heating substations. Around 80% of consumers in Tuzla city are connected to the DH Tusla. There are around 900 heating substations. Big substations (195 - 1,200 kW) are supplying tall blocks of flats, others (60 - 190 kW) are supplying small and medium-sized buildings and finally a small type of substation (20 - 55 kW) is used for individual houses. There are 17 points on the remote control and management system of district heating network together with 39 heating substations. The total heating area is 1,732,660 m2 with 23,200 consumers (almost 90% of flats, other 10% commercials). The DH Tuzla network is operated by the distribution company Grijanje Tuzla, owned by Tuzla City.

In the past 10 years, a large number of old substations have been replaced by new modern ones, while distribution side pumps have been replaced by electronic pumps. It is recognized that the system could be more efficient and economical. It should be considered that the DH Tuzla system in this form is in exploitation for 27 years, and some parts of the heat network are aged over 35 years. To achieve more efficient and sustainable DH Tuzla system, the following tasks are subject to further improving and upgrading DH: performing better designing of the reconstruction and expansion of the DH Tuzla system, upgrading the remote control and management, as well as introducing RES-based solutions into DH Tuzla system.

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