Generator size calculator

Step 1 of 2: what has to stay on during an outage?

The usual essentials are ticked. Add or remove anything, and edit watts if you know your model's nameplate.

Common essentials

  • Refrigerator (full size)
  • Gas furnace blowerhardwired, no plug
  • Wi-Fi router and modem
  • 4 LED lamps
  • Phone charger

Calculator by CrunchYourDollars