Climate neutral heat supply in Munich 2035

Climate neutral heat supply in Munich 2035

In order to mitigate climate change, targets for the reduction of greenhouse gas emissions have been set in recent years at both international and national level. The City of Munich sees itself as a pioneer in this respect and in the past already has set itself the goal of reducing the city's energy-related greenhouse gas emissions to 0.3 tons of CO2 per inhabitant and year by 2050. Now the state capital wants to become climate neutral already in 2035. On 18 December 2019, the city council's plenary assembly decided to achieve balance sheet climate neutrality for the entire city of Munich by 2035. In this context, in November 2019 the City Council commissioned a study to investigate how Munich's heating supply can be converted to renewable energies by 2035 at the latest and thus become climate-neutral.

After major efforts have already been made in recent years to develop concepts for a climate-neutral supply of electricity to the city, special attention is now being paid to the heat supply. Previous studies have shown that achieving a climate-neutral heat supply includes particularly high challenges. In order to master these challenges, the study "Climate neutral heat supply in Munich" aims to determine which technical solutions can be used to convert the heat supply in Munich to renewable energies as quickly as possible in order to make it completely climate-neutral and at what cost this is achievable. The project is conducted in cooperation with the Öko-Institut.

An overview of the project steps under consideration is shown in Figure 1:


Projektarbeitsschritte Klimaneutrale Waerme Muenchen

Figure 1: Presentation of the work packages in the project "Climate-neutral heat supply in Munich 2035

First of all, the current structure as well as the expected development of the Munich residential building stock will be structured with regard to the building physical condition, the heat supply technology and the heat consumption. Then the potentials of solution modules on the generation and infrastructure side are determined and their respective CO2 reduction costs are derived.

Based on these basic data, scenarios are developed with which climate neutrality can be achieved in the period up to 2035 and what costs can be expected for this. It is taken into account that the overall goal of a most cost-effective conversion of heat should also be achieved by minimizing potentially stranded investments. Stranded investments could, for example, result from measures that promise quick success but do not fit into the overall concept of supply in the long term.

The transformation of both district heating, including the further development of deep geothermal energy, and of the decentralized generation structure to a climate-neutral heat supply is being considered.

In order to involve all relevant stakeholders in the process and thus to support the implementation of the resulting recommendations for action as early as possible, close cooperation with the client, Stadtwerke München (Munich Municipal Utilities) and the City of Munich is part of the study.



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