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District heating

M/Fernwärme: Frau beim Baden

M-Fernwärme district heating is a convenient and environmentally friendly means of room and water heating. A connected load of over 50 KW is best suited for a connection to the SWM district heating network.

District heating is therefore the ideal form of heating supply for industrial plants, office buildings, apartment buildings, housing developments, hospitals, hotels, supermarkets, schools and universities.

Key facts

The principle

Heat is produced during the generation of electricity. Whereas conventional power stations do not utilize this waste heat, combined heat and power plants feed it into the district heating network. Heat energy is generated centrally in state-of-the-art power plants, which deploy the latest technology standards, directly transported to homes and fed into central heating systems via heat exchangers. The cooled water is then pumped back to the heat power plant. Very little energy is lost during transport.

The combined generation of electricity and heat uses fuel - primarily environmentally friendly natural gas at SWM - much more efficiently than conventional power stations. Combined heat and power plants achieve efficiency of up to 90%, whereas even modern coal-fired power stations only convert around 45% of the energy used into electricity.

District heat can be obtained from renewable energy sources, such as geothermal wells. In the process, hot underground water is pumped to the surface and passed through heat exchangers to harvest the energy, after which the now-cooled water is returned to the earth. In other words, geothermal energy is a closed cycle that entails no disruption of the ecosystem.


  • High degree of supply security as district heating is generated at SWM’s own plants in Munich
  • No fuel needs to be burned in the home as district heating is supplied ready-to-use
  • Saves space as boilers, fuel storage, oil and gas tanks and chimneys are not necessary
  • Low operating and maintenance costs thanks to the use of technically advanced, non-fault-prone components
  • Green and sustainable as legal requirements are met and CO2 emissions are avoided
  • Cost-effective, as no investment in expensive energy solutions is required and funds can be used for other renovation projects
  • District heating customers comply with the Renewable Energies Heating Act (EEWärmeG) as federal government gives heat from highly efficient combined heat and power plants the same status as renewable energies.
  • Thanks to the simultaneous generation of electricity and heating, district heating has a low primary energy factor, which is beneficial in terms of buildings’ energy certification and investments in new-builds and renovation.

District heating network

At around 800 kilometers in length, Munich’s district heating network is one of the largest in Europe. M-Fernwärme district heating is available in Munich city center as well as in the districts of Freimann, Bogenhausen, Perlach, Sendling, Messestadt Riem and neighboring areas.

SWM will significantly extend the district heating network over the coming years as part of the District Heating expansion campaign. Over 100 kilometers of new pipeline will be laid to enable the supply of environmentally friendly heating to the districts of Friedenheim, Thalkirchen and Ramersdorf/Berg am Laim in the west of Munich.

Environmental protection

The use of waste heat to provide district heating supplies Munich households with an additional four billion kilowatt hours of heating energy generated in an eco-friendly way. Around 450 million liters of heating oil would be required to produce the same heat energy output with oil-fueled household heating systems. The burning of this amount of fuel would release 1.1 million tonnes of CO2 into Munich’s air. SWM prevents this vast amount of pollution - which exceeds the total quantity of CO2 produced by all car traffic in Munich per year - from entering Munich’s air through the use of district heating.

At around 800 kilometers in length, Munich’s district heating network is one of the largest in Europe.


You need electricity, heating or cooling solutions for your business at highly attractive prices and without tying up capital? Contracting is the ideal solution. Whether you need boiler systems with their own heating circuits, CHP units, refrigeration systems based on absorption or other energy systems, we will provide you with a customized offer for systems contracting.

Mobile heating generators

During renovation or system breakdown, mobile heat plants’ special design allows them to be deployed individually, for example on housing estates, in hospitals, hotels etc. Every mobile heating plant is equipped with a regulated and non-regulated heating circuit as well as a high-performance water heating system. Maximum flexibility is ensured thanks to the system’s compact design with heating system, tank equipment and expansion tanks all located on one 3.5 ton double-axle trailer. SWM guarantees fast response times and includes maintenance and repairs in its offers.

Further information

M/Erdgas: Wärmetermostat

Tips on heating and ventilation

Heating accounts for three-quarters of household energy. You can save money by following a few pointers on heating and ventilation. Energy-saving tips
M/Wasser Duschkopf

Tips on hot water

You can also reduce your energy consumption when showering, taking a bath and washing up. Energy-saving tips
M/Fernwärme: HKW Süd

SWM’s energy generation

District heating is generated in combined heat and power plants based on the co-generation principle. Energy generation

If you wish to find out more about M-Fernwärme, please contact us.

Phone: 0800 796 796 0 *
Monday to Friday from 8 a.m. to 8 p.m.
E-Mail: customer-service@swm.de
* toll-free within Germany

Send an inquiry

Fernwärme Vision Geysir

SWM's district heating vision

By 2040, district heating in Munich is to solely originate from renewable energy sources.
District heating based on regenerative energy
M/Fernwärme: Netzanschluss

Network connections

From registration to putting the meter into service, you will find comprehensive information here on network connections. Network connections