Manufacturer-documented fuel consumption for 7 10–15 kW Natural Gas generator sets — median 2.40 gal/h at full load, 1.51 gal/h at half load.
Compare 10–15 kW Natural Gas generator specs side-by-side →
| Model | kW | gal/h @ 50% | gal/h @ 100% | Tank (L) | Runtime @ 50% (h) |
|---|---|---|---|---|---|
| Generac G0072100 | 10 | 0.97 | 1.48 | — | — |
| Generac SG010 | 10 | — | 30.38 | — | — |
| Solar Turbines Mars 100 | 10 | 92.46 | — | — | — |
| Genmac HSD12 | 11 | — | 0.29 | — | — |
| Cummins/Onan 13GSBA-6711 | 13 | 1.51 | 2.40 | — | — |
| Cummins/Onan 13GSBA-6712 | 13 | 1.51 | 2.40 | — | — |
| Cummins/Onan 13GSBA-6718 | 13 | 1.51 | 2.40 | — | — |
Figures from each model’s own manufacturer documentation (spec sheets and manuals); runtime = documented tank capacity ÷ consumption at 50% load. Verify against the datasheet for your exact configuration.
Across 6 models with manufacturer data, full-load consumption runs 0.29–30.38 gal/h (median 2.40); at 50% load the median is 1.51 gal/h.