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250kVA Generator Fuel Consumption Per Hour
A 250kVA generator (about 200 kW) typically burns about 28 litres of diesel per hour at 50% load, 39 litres at 75% load and 54 litres at full load.
These are planning figures based on typical diesel consumption per kWh. Real consumption depends on the engine, its condition, the load profile and ambient temperature, so ask the supplier for the manufacturer's fuel curve for the exact model.
Running a generator well below half load wastes fuel and can cause wet stacking, so size the unit to your real load.
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- Capacity in kVA, and whether the load is single-phase or three-phase
- Open set, soundproof canopy or containerised
- Prime power or standby duty
- Preferred engine brand: Perkins, Cummins, FG Wilson, Mikano or other
- New or fairly used, and quantity
- Delivery location and required date
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250kVA Diesel Consumption by Load
- 50% load (about 100 kW): about 28 litres per hour
- 75% load (about 150 kW): about 39 litres per hour
- 100% load (about 200 kW): about 54 litres per hour
Fuel Tank Planning
- 8 hours at 75% load: about 312 litres
- 12 hours at 75% load: about 468 litres
- 24 hours at 75% load: about 936 litres
- Add a 10 to 15 percent reserve so the engine never runs the tank dry
Ways to Cut Fuel Cost
- Match the generator size to the real load, not the largest imaginable load
- Keep air and fuel filters clean and service on schedule
- Use an auto-mains-failure panel so the set only runs when needed
- Consider a smaller and a larger set if loads vary a lot between day and night
Frequently Asked Questions
How many litres does a 250kVA generator use in 24 hours?
At 75% load it is about 936 litres over 24 hours. At full load it is about 1296 litres.
Does a 250kVA generator use less fuel at low load?
Yes in total litres, but it is less efficient per kWh, and very light loads can damage a diesel engine over time.
Can I get a fuel consumption chart for a specific 250kVA model?
Yes. Tell us the brand and model on WhatsApp and we will ask the supplier for the manufacturer's consumption data.
Generators in our store
Real listings with specs. Request a quote or make an offer.
NewCummins 1500 kVA Diesel Generator (New)
LagosAvailable to order
- Rating
- 1500 kVA
- Fuel
- Diesel
- Phase
- 3-phase, 50 Hz
- Enclosure
- Container
UsedCummins 1500 kVA Diesel Generator (Used)
LagosInspection on request
- Rating
- 1500 kVA
- Fuel
- Diesel
- Phase
- 3-phase, 50 Hz
- Condition
- Used
NewPerkins 500 kVA Diesel Generator (New)
LagosAvailable to order
- Rating
- 500 kVA
- Fuel
- Diesel
- Phase
- 3-phase, 50 Hz
- Enclosure
- Canopy
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