Comparison 9 min read Updated 2026-02-01

Home Generator Guide 2026: Portable vs Standby

Keep power during outages. Generator types, sizing, costs, and fuel options.

Generator Types

TypePowerCostFuel
Portable3-8 kW$400-$1,500Gas
Inverter2-7 kW$500-$2,500Gas
Standby10-20+ kW$3,000-$15,000Natural gas/propane

Sizing Guide

Essential circuits only: 5-7.5 kW
  • Refrigerator: 700W
  • Sump pump: 1,000W
  • Lights: 500W
  • Furnace fan: 500W
  • Phone/internet: 100W
Whole house: 15-20+ kW

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