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Generator Average Electrical Efficiency

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Type:

Output Variable

Units:

%

Symbol:

ηgen

The generator average electrical efficiency is the average of the generator's electrical efficiency over a year, defined as the electrical energy out divided by fuel energy in. HOMER uses the following equation to calculate the average electrical efficiency:

equations_eta_gen-average

where:


 

 

Egen

= the generator's total annual electrical production [kWh/yr]

 

mfuel

= the generator's total annual fuel consumption [kg/yr]

 

LHVfuel

= the lower heating value of the fuel [MJ/kg]

We use 3.6 in the equation above because 1 kWh = 3.6 MJ.

See also:

Generator Average Total Efficiency

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