Size the load before the generator.
Add the running watts for every simultaneous load and one realistic motor-start event. Then leave operating margin; a maximum claim is not a continuous rating.

Add only what must run together.
Pick a quick example or build your own list. Replace our planning watts with the figures on your exact appliances.
Don’t know the wattage? Find your deviceSearch an exact model or choose one of 27 quick device types.+
Start with a brand, model or device type.
Exact models show their source. If the model is not indexed yet, use an editable category estimate instead.
8 of 27 results shown · search or filter to narrow the list
Starlink Mini
Manufacturer-sourced range- Typical range
- 25–40 W
- Starting value
- 40 W
- Brief peak
- 60 W
Check and edit these values once you have a nameplate or measurement.
Wi-Fi router + modem
Editable category estimate- Typical range
- 12–25 W
- Starting value
- 18 W
- Brief peak
- 25 W
Check and edit these values once you have a nameplate or measurement.
Phone charging
Editable category estimate- Typical range
- 5–20 W
- Starting value
- 15 W
- Brief peak
- 20 W
Check and edit these values once you have a nameplate or measurement.
Laptop workstation
Editable category estimate- Typical range
- 45–100 W
- Starting value
- 65 W
- Brief peak
- 100 W
Check and edit these values once you have a nameplate or measurement.
Desktop computer + monitor
Editable category estimate- Typical range
- 150–500 W
- Starting value
- 250 W
- Brief peak
- 500 W
Check and edit these values once you have a nameplate or measurement.
Camera or drone charging
Editable category estimate- Typical range
- 40–200 W
- Starting value
- 120 W
- Brief peak
- 200 W
Check and edit these values once you have a nameplate or measurement.
12V compressor fridge — daily average
Editable category estimate- Typical range
- 15–35 W
- Starting value
- 22.5 W
- Brief peak
- 120 W
Check and edit these values once you have a nameplate or measurement.
Home refrigerator — daily average
Editable category estimate- Typical range
- 25–60 W
- Starting value
- 40 W
- Brief peak
- 600 W
Check and edit these values once you have a nameplate or measurement.
Wattage is only one gate.
Confirm 120V/60Hz, the exact receptacle and physical approval mark, outdoor carbon-monoxide separation, cord rating and the manual’s neutral and grounding instructions. Building connection requirements vary by province, territory and authority.