Manufacturer-documented fuel consumption for 5 10–15 kW Gasoline generator sets — median 1.61 gal/h at full load, 0.87 gal/h at half load.
Compare 10–15 kW Gasoline generator specs side-by-side →
| Model | kW | gal/h @ 50% | gal/h @ 100% | Tank (L) | Runtime @ 50% (h) |
|---|---|---|---|---|---|
| Generac XG Professional Series 005802-2 | 10 | 0.73 | — | — | — |
| Kohler 10EKD | 10 | 0.78 | 1.17 | — | — |
| Kohler 10ERG | 10 | 0.87 | 1.40 | — | — |
| Kohler 13ERG | 13 | 1.12 | 1.82 | — | — |
| Kohler 15ERG | 14 | 1.30 | 2.10 | — | — |
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 4 models with manufacturer data, full-load consumption runs 1.17–2.10 gal/h (median 1.61); at 50% load the median is 0.87 gal/h.