Advancing decarbonized sustainable development with renewable technologies for climate resilience

Decarbonizing the heating sector is a critical component of the European Union’s energy transition strategy aimed at achieving climate neutrality by 2050. Renewable technologies play a pivotal role in this effort, with district heating systems serving as vital platforms for integrating diverse renewable energy sources such as geothermal, bioenergy, solar thermal, and large-scale heat pumps. These technologies enhance system flexibility and support thermal-electric sector coupling by efficiently utilizing recovered energy from waste heat and various renewable heat sources, including geothermal energy, surface water, wastewater, and industrial waste heat. This article presents an analysis of large-scale heat pump installations connected to district heating networks, drawing on case studies across Europe. Key parameters and the number of installations are summarized. The findings emphasize that achieving high system efficiency and significant emissions reductions depends on the careful selection and inte- gration of renewable technologies. Large-scale heat pumps, as part of a broader renewable technology portfolio, are essential enablers of Europe’s decarbonized and climate-resilient sustainable development goals.