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HOMER Pro 3.13

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Generator Minimum Fossil Fraction

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Type:

Input Variable

Units:

%

Symbol:

symbols_x_fossil_star

The generator minimum fossil fraction is the minimum allowable fossil fraction for a cofired generator operating on a mixture of fossil fuel and biogas. Diesel engines require a certain minimum amount of diesel fuel to ensure proper ignition. Spark-ignition engines might not have any such requirement and, therefore, might be able to operate on pure biogas.