input: [Acronym] DE/DH/DC [Notes] Production of steam, hot water or chilled water, or a combination of the three, at a single central plant for distribution to other buildings through a network of pipes. The term is closely related to DE. It often, but not always, overlaps with DE. When district energy systems employ waste heat from electricity generation to supply heating/cooling networks they can be considered DE. In some cases, however, district energy plants are used in heat only applications in which case they are not considered DE. [Term] 
output: District Energy (District Heating/Cooling)