5 15–20 kw natural gas generator models side by side — power, phase, sound level, weight and fuel tank capacity, compiled from manufacturer specification sheets.
| Model | Standby | Phase | Sound | Weight | Fuel tank |
|---|---|---|---|---|---|
| Generac EPS | 15.0 kW | single/triple | — | 2041.3 kg | — |
| Generac Home Standby-15 | 15.0 kW | 1 | — | — | — |
| Generac SG015 | 15.0 kW | 3-phase | — | — | — |
| FG Wilson FG20E1S | 17.5 kW | — | 56.9 dBA | 505.0 kg | — |
| Briggs & Stratton PP18 | 18.0 kW | 1 | 68.0 dBA | 210.0 kg | — |
Among 15–20 kW Natural Gas generators in this comparison, the FG Wilson FG20E1S is quietest at 56.9 dBA.
Among 15–20 kW Natural Gas generators in this comparison, the Briggs & Stratton PP18 is lightest at 210.0 kg dry weight.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.