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Fuel Consumption Charts


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    Diesel & Natural Gas Generator Fuel Consumption Charts

    These charts approximate fuel consumption based on the size of the generator and the generator operating load.

    Fuel consumption is based on diesel generator operating load.

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    Generator Size (kW) 1/4 Load (gal/hr) 1/2 Load (gal/hr) 3/4 Load (gal/hr) Full Load (gal/hr)
    200.60.91.31.6
    301.31.82.42.9
    401.62.33.24.0
    601.82.93.84.8
    752.43.44.66.1
    1002.64.15.87.4
    1253.15.07.19.1
    1353.35.47.69.8
    1503.65.98.410.9
    1754.16.89.712.7
    2004.77.711.014.4
    2305.38.812.516.6
    2505.79.513.618.0
    3006.811.316.121.5
    3507.913.118.725.1
    4008.914.921.328.6
    50011.018.526.435.7
    60013.222.031.542.8
    75016.327.439.353.4
    100021.636.452.171.1
    125026.945.365.088.8
    150032.254.377.8106.5
    175037.563.290.7124.2
    200042.872.2103.5141.9
    225048.181.1116.4159.6

    Fuel consumption is based on 1015 Btu/standard ft3 natural gas.

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    Generator Size (kW) 1/4 Load (ft³/hr) 1/2 Load (ft³/hr) 3/4 Load (ft³/hr) Full Load (ft³/hr)
    20157188247289
    30202260348416
    40246333449543
    60334479652798
    75400588803990
    10051077110561308
    12562195313081627
    135665102614091754
    150731113515611946
    175841131718132264
    200952150020662583
    2301084171823692965
    2501172186425713220
    3001393222930763857
    3501614259335814495
    4001834295840865132
    5002276368750966407
    6002717441661077681
    7503379550976229593
    1000448273321014712780

    *These tables are intended to be used as an estimate of how much fuel a generator uses during operation and is not an exact representation due to various factors that can increase or decrease the amount of fuel consumed.