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Diesel Generator Fuel Consumption Rates by Load

Approximate diesel fuel consumption (gallons per hour) by generator size at roughly half and full load. Actual usage varies. Planning estimates only.

Generator size~50% load (gal/hr)~100% load (gal/hr)
20 kW0.61.3
56 kW1.53.4
100 kW2.66.0
200 kW5.011.6
250 kW6.314.4
320 kW7.918.0

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