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500kW Diesel Generator Fuel Consumption (Data & Calculator)

This page provides detailed fuel consumption data for a 500kW Diesel Generator. All data is based on Huaquan Power test reports and Cummins/Perkins engine shop manuals.

500kW Fuel Consumption Table

Load (%)Power OutputFuel Consumption (L/h)Fuel Consumption (kg/h)Runtime (500L Tank)
25%125 kW26 L/h22 kg/h19 hours
50%250 kW56 L/h47 kg/h8 hours
75%375 kW89 L/h75 kg/h5 hours
100%500 kW125 L/h106 kg/h4 hours
110%550 kW137 L/h116 kg/h3 hours

Factors Specific to 500kW Generators

For 500kW generators, pay attention to:

  • Engine Selection: Cummins QSK series offers 5-8% better fuel efficiency than comparable engines
  • Ambient Temperature: Above 40°C, fuel consumption increases by 3-5%
  • Altitude: Above 1000m, diesel engines don’t lose power (unlike gas), but cooling efficiency drops
  • Maintenance: Replace fuel filters every 500h to maintain optimal consumption

Real-World Case: Huaquan Project Data

In Huaquan’s global projects, we’ve measured actual fuel consumption for 500kW generators:

Project LocationApplicationMeasured Fuel (L/h)Notes
Southeast AsiaManufacturing plant86 L/h @ 75% loadWith cooling load included
Middle EastData center90 L/h @ 75% loadHigh ambient temperature

For a personalized fuel cost estimate based on your local diesel price and operating hours, contact our technical team.