Division 5.2 The overall efficiency of a cogeneration unit is determined in the following way: the energy output of the CHP plant (electricity, mechanical energy and useful heat) over a defined reporting period shall be divided by the fuel input to the cogeneration unit over the same reporting period, i.e.
United Kingdom
Overall efficiency = (energy output)/(fuel input)
Annotations
Footnotes
- f1
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The mechanical energy is treated thermodynamically equivalent to electricity with a factor of 1.