Natural Gas Generator Fuel Consumption Chart

Use the following chart to estimate the amount of fuel you will consume operating your natural gas generator at a given load, based on your unit’s size in kW. Your mileage may vary as fuel efficiency is determined by a number of factors, including the manufacturer, the age of the equipment, and how well-maintained the unit is.

Download Natural Gas Fuel Consumption Chart

Generator Size (kW) 1/4 Load (ft3/hr) 1/2 Load (ft3/hr) 3/4 Load (ft3/hr) Full Load (ft3/hr)
20 157 188 247 289
30 202 260 348 416
40 246 333 449 543
60 334 479 652 798
75 400 588 803 990
100 510 771 1056 1308
125 621 953 1308 1627
135 665 1026 1409 1754
150 731 1135 1561 1946
175 841 1317 1813 2264
200 952 1500 2066 2583
230 1084 1718 2369 2965
250 1172 1864 2571 3220
300 1393 2229 3076 3857
350 1614 2593 3581 4495
400 1834 2958 4086 5132
500 2276 3687 5096 6407
600 2717 4416 6107 7681
750 3379 5509 7622 9593
1000 4482 7332 10147 12780

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

WPP Meets All Your Backup Power Generation Needs

Whether you need repair work on your natural gas generator, you need to replace it with a new or pre-owned model, or you need a custom power solution, Worldwide Power Products can help. 

We sell, rent, and service all major brands, with all work performed by the most knowledgeable team in the industry.

Natural gas generator at Worldwide Power Products
Caterpillar natural gas generator set sold at Worldwide Power Products