Primary-Energy - CHP Technology
CHP is a form of energy recycling that recovers heat that’s normally wasted when generating power to supply the heating or cooling needs of an end user. CHP, also called cogeneration, is the simultaneous production of electrical and thermal energy from a single fuel source. CHP systems are a group of distributed generation technologies capable of capturing heat that would otherwise be emitted into the atmosphere typically from a manufacturing process or during the electric generation process and redirecting it for a useful purpose. CHP technology is located near or at the point of use so it eliminates the losses that occur in the transmission and distribution of electricity from a power plant to the user.
Product Details
By generating heat and power in a combined process, CHP systems are more cost effective, reduce greenhouse gas emissions and provide more efficient use of natural resources. The efficiency levels of CHP technologies vary depending on the size and type of system, with CHP technologies typically achieving efficiency levels of 60-80% ( compared to ~45% for separate generation). By locating an electric generation plant on-site at a facility that has a significant demand for thermal energy, steam or heated water that is typically wasted can be used by the host. Each CHP plant reduces their host's energy costs and reduces emissions as compared to buying power off of the grid and producing steam with boilers.
CHP systems are identified by the system's prime mover, the device that powers the generator. CHP systems can be further characterized either as topping-cycle or bottoming-cycle generation.
Topping Cycle CHPTopping-cycle systems produce electricity first, then recover the excess thermal energy for heating or cooling applications.
Bottoming Cycle CHP
Bottoming-cycle systems, also known as 'waste heat to power,' are a process whereby waste heat from an existing process is used to produce electricity. Both topping- and bottoming-cycle systems are types of cogeneration.
Making use of energy-efficient recycling technolog...
Making use of energy-efficient recycling technologies, how they work and their benefits to the environment.
CHP Share of Total National Power Production
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