Low Carbon

Cogeneration

Comparison of traditional energy scenario in conventional power plant vs. New CHP system. New system reach better energy efficiency up to 90% compared with traditional only have around 40%.

Did you know that cogeneration, also called combined heat and power (CHP), is an incredibly efficient way to generate energy?

This approach produces electricity and usable heat from one fuel source, making it a great example of a low-carbon power system. Cogeneration systems can significantly reduce greenhouse gas emissions and improve energy efficiency by utilizing waste heat generated during electricity production. With overall efficiencies ranging from 70-90%, CHP surpasses the efficiencies by separate power and heat generation. Cogeneration is a crucial component of low-carbon power systems by optimizing fuel resource utilization, minimizing energy losses, and reducing carbon footprints. It supports sustainable energy practices and contributes to a greener and more efficient energy landscape.

 

Showing CHP Power System Solutions in diagram

The cogeneration system is composed of three primary elements: a prime mover, a generator, and a heat recovery system. The prime mover transforms fuel into mechanical energy, which propels the generator to produce electricity. This electricity can either be utilized on-site or supplied to the grid to fulfil electricity demands. 

Cogeneration systems are unique in that they capture and employ waste heat, which separates them from traditional power plants. The heat recovery system collects hot exhaust gases or steam from the prime mover and channels it to a heat exchanger. This waste heat is then repurposed to serve various functions, such as space heating, water heating, or industrial processes, increasing the system’s overall energy efficiency. 

Cogeneration is highly effective at fulfilling both electrical and thermal energy needs simultaneously, optimizing the use of fuel resources. This method generates greater overall efficiencies than separate power and heat generation. Additionally, cogeneration decreases reliance on extra energy sources for heating, thus reducing carbon emissions and minimizing environmental impact.

Cogeneration systems find applications in various settings, including industrial facilities, commercial buildings, hospitals, universities, and district heating systems. They offer a sustainable and cost-effective solution by optimizing energy utilization, reducing energy costs, and lowering greenhouse gas emissions.


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