# Bremen heating transition and waste heat projects > Live situation record from CLSTR: https://clstr.news/situations/bremen-heating-transition-and-waste-heat-projects > Updated: 2026-09-02T11:00:00.000Z. Sources: 7. Developments: 2. Bremen is pursuing several initiatives to transition its heating infrastructure toward renewable and recovered heat sources. Initial efforts focused on a multi-billion euro proposal by investor Klaus Meier to utilize waste heat from the ArcelorMittal steel plant for a district heating network. Bremen Mayor Andreas Bovenschulte expressed support for the project, noting its potential to reduce CO2 emissions by tens of thousands of tons annually. To mitigate risks during steel production halts, the plan includes exploring additional sources like river water and sewage treatment plants. Further developments in the region include a citizens' cooperative preparing a cold district heating network using geothermal energy, a model validated by a two-year research project. Additionally, Klinikum Bremen-Nord has successfully transitioned from natural gas to district heating by utilizing waste heat from a thermal waste recovery plant, a move expected to reduce annual CO2 emissions by approximately 1,500 tons. ## Timeline ### 2026-09-02: Bremen implements geothermal and waste-heat heating projects Bremen is advancing its heat transition through a new geothermal district heating network managed by a citizens' cooperative and the conversion of Klinikum Bremen-Nord to waste-heat-based district heating. 4 sources. https://clstr.news/cluster/bremen-implements-geothermal-and-waste-heat-heating-projects ### 2026-08-21: Bremen investor plans billion-euro waste heat project Investor Klaus Meier plans to use waste heat from Bremen's ArcelorMittal steel plant to provide district heating, aiming to reduce CO2 emissions and replace fossil fuels. 3 sources. https://clstr.news/cluster/bremen-investor-plans-billion-euro-waste-heat-project --- Cite as: Bremen heating transition and waste heat projects. CLSTR, https://clstr.news/situations/bremen-heating-transition-and-waste-heat-projects