Best Portable Generators of 2026: Top Rated by Category

Not sure which type of generator you need? Start with our free wattage calculator, then use this guide to match your load to the right generator category.

Most Popular1,000W – 3,500W

Best Inverter Portable Generators

Ultra-quiet, fuel-efficient, and safe for sensitive electronics. Ideal for camping, RVs, tailgating, and light home backup. Clean sine wave output protects laptops, CPAP machines, and TVs.

  • Quiet (48–60 dB)
  • Clean power for electronics
  • Parallel-capable models available

Best for: Camping · RV · Light outage backup

Shop on Amazon
Best Value3,000W – 7,500W

Best Dual-Fuel Portable Generators

Run on gasoline or propane. Propane stores indefinitely, making dual-fuel units the top choice for emergency preparedness. Great flexibility for extended outages or job sites.

  • Gas or propane operation
  • Propane stores indefinitely
  • Electric start on most models

Best for: Home backup · Emergency prep · Job sites

Shop on Amazon
3,500W – 8,500W

Best Conventional Portable Generators

The most affordable watt-for-watt option. Great for powering high-draw tools and appliances where noise level is less of a concern. Larger fuel tanks for longer runtimes.

  • Most affordable per watt
  • Long runtime tanks
  • High starting surge capacity

Best for: Construction · High-draw appliances · Budget builds

Shop on Amazon
Pro Install Required7,500W – 20,000W+

Best Standby & Whole-Home Generators

Permanently installed, automatically starts within seconds of an outage. Runs on natural gas or propane. Requires a licensed electrician and automatic transfer switch (ATS) installation.

  • Fully automatic
  • Unlimited runtime on piped gas
  • Whole-home coverage

Best for: Whole-home backup · Medical equipment · Frequent outages

Shop on Amazon

Not sure what size you need?

Use our free portable generator size calculator. Select your appliances and get an instant wattage recommendation.

Calculate My Wattage Now