District heating applications

District heating is a technical system for heating a town or a part of a city. The heat is produced in a power plant, and then transported in a piping system to the consumers in the form of hot water or steam. The heat can be obtained from an oil-fired furnace, a Combined Heat and Power plant (CHP) producing both heat and electricity or a geothermal plant. District heating, shown in Figure 5.1, is used mostly in places where the heat demand is high and the consumers are located fairly closely. Hence, district heating networks can be found in towns in countries with a cold climate.

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