Cogeneration is a term commonly used in the energy industry to describe a process where energy is produced simultaneously from the same source. It can also be referred to as combined heat and power (CHP), co-generation power, or simply co-gen. Some other synonyms for cogenerator include a power plant, electricity generator, heat and power unit, thermal power system, and energy recovery system. The process of cogeneration is becoming increasingly popular due to its cost and energy-saving benefits, efficiency, and a reduction in greenhouse gas emissions. Using synonyms for cogenerator is essential in effectively communicating this technology and its advantages.