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Trigeneration or Combined Heat, Cooling and Power Production (CHCP) is a process of simultaneous cooling and electricity and heat generation. CHP power plant heat is used for cooling via an absorption cycle (an absorption cooler is added which uses "rejected" heat). Compared to cogeneration, efficiency is increased by 50%.
CHCP necessity during summer months has caused the development of the new CHP technology (especially in southern USA states). CHCP offers a significant decrease in electric power system load especially during hot summer months. CHCP advantages, in comparison with conventional cooling devices, are non-emission of harmful freons into the atmosphere and utilization of rejected heat produced in cogeneration facilities. However, CHCP is not used only for facility heating and cooling, but also for industrial processes demanding lower temperatures.
Trigeneration facility is a way in which electricity supply of hospitals, retirement homes, recreational facilities with swimming pools, hotels, shopping centres, etc. can be dealt with, as well as industrial plants which consume not only electricity but also a significant amount of heat and cooling energy.
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