best generator for long term power outage

During extended power outages, standby and portable generators can be utilized. However, in this article, we will focus on portable generators as they provide greater flexibility and affordability, making them suitable for long-term outage situations.

For higher power needs, the Westinghouse WGen9500 is considered the best option. The Duromax XP500EH is well-suited for medium power requirements, while the Generac GP2200I is ideal for basic power needs.

Quick Pick


High Power

Westinghouse WGen9500
Westinghouse WGen9500
Watts: 12500/9500
Weight: 208 lb
Tank Size: 6.6 gal
Noise: 74 dB
Runtime: 12Hrs
Starting: Electric/Recoil/Remote

Medium Power

DuroMax XP5500EH
Watts: 5500/4500
Weight: 142 lb
Tank Size: 3.9 gal
Noise: 69 dB
Runtime: 9Hrs
Starting: Electric/Recoil

Basic Needs

Generac Gp2200I
Generac GP2200I Portable Inverter
Watts: 2200/1700
Weight: 46 lb
Tank Size: 1.2 gal
Noise: 55 dB
Runtime: 10.75 Hrs
Starting: Recoil

1-Westinghouse WGen9500

Westinghouse WGen9500

Fuel Type >> gasoline
Engine Size >> 457cc
Start Method >> Electric / Recoil / Remote fob
Sound >> 74 dB
Weight >> 208 pounds
Gasoline Tank >> 6.6 gal
Dimension >> 27.2L x 26.1W x 26.5H in.
Watts>> 12500/9500
Runtime>> 12hrs
Transportation>> Wheels, Foldable Handles
Certification>> CARB, EPA

WGen9500 is a gasoline-powered portable generator with 240v outlet that is best generator for long term power outage.

A heavy duty 457cc 4-Stroke OHV engine provides 12500 peak watts and 9500 rated watts, making it able to handle all types of heavy equipment. 

In addition to being able to run for up to 12 hours with a 6.6 gallon gasoline tank, it has a fuel gauge that helps you to determine when refueling is necessary. 

You can start it with a wireless key fob, an electric push button, or manually if none of the other methods work. 

It weighs 208 pounds, has foam grip handles, a hardened steel frame, and never-flat wheels that make transportation and storage easy.

It produces a sound level of 74 db, which is equivalent to the volume of a vacuum cleaner.

The generator has four 120V/20A GFCI outlets, one 120/240V 30A twist lock outlet, one 240V 50A RV outlet, and two 5V USB ports, all of which are rubber covered. 

The TFT display contains real-time information about voltage, frequency, and the unit’s total runtime. 

A low oil shut-down function, voltage regulation, and overload protection are all included in this generator. 

The generator is CARB compliant, and EPA approved.

  • Remote start
  • Multi meter
  • Wheel kit and Handle
  • Low oil shut off
  • 50A RV outlet
  • Single Fuel
  • No parallel connectivity

2-DuroMax XP5500EH

Fuel Type >> gasoline / propane
Engine Size >> 224cc
Start Method >> Electric / Recoil
Sound >> 69 dB
Weight >> 142lbs
Gasoline Tank >> 3.9 gal
Dimension >> 25″ L x 22″ W x 22″ H
Watts>> 5500/4500 (gas), 5225/4275 (propane)
Runtime>> 9hrs @ 50% load
Transportation>> Wheels, Foldable Handles
Certification>> CARB, EPA

If you have a medium power requirement then DuroMax XP5500EH is the best generator for long term power outage.

Wattage: It provides 5500 surge watts and 4500 running watts on gasoline. Also, It gives 5225 surge watts and 4275 running watts on propane

Build: It has foldable handles, wheel kit, metal frame, 142 pounds weight which makes it a perfect fit.

Runtime/Fuel: It can run up to 9 hours at half load on 3.9 gallon fuel tank

Outlets: It has two 120V/20A GFCI outlets, one 120/240V 30A Twist lock outlet.

Start Methods: Both electric and manual recoil start methods are available. 

Sound: It produces 69 dB of sound .

Fuel: It is dual fuel that can be powered by either propane or gasoline. 

Meter: It has an analogue voltmeter. 

Safety and Certification: It has Voltage regulator, and auto shut off technology that automatically shut off on low oil level. It is CARB compliant and EPA approved.

  • Dual Fuel
  • Solid Body
  • Wheel Kit and Handles
  • Only Voltmeter
  • No Remote Start

3-Generac GP2200I Portable Inverter

Generac Gp2200I

Fuel Type >> gasoline
Engine Size >> 80cc
Start Method >> Recoil
Weight >> 46 pounds
Gasoline Tank >> 1.2 gal
Dimension >> 19.7″ L x 11.4″ W x 17.9″ H
Watts>> 2200/1700
Runtime>> 10.75hrs @ 25% load
Transportation>> Solid Handle
Certification>> CARB, EPA

The Generac GP2200I is a portable inverter generator that is the best generator for long term power outage in case you have basic power requirements such as essentials.

An 80cc OHV engine enables it to produce 2200 starting watts and 1700 running watts. With a recoil start method and a start dial, the generator is easy to operate.

The engine can run for up to 10.75 hours at 25% load on a 1.2 gallon gasoline tank. It is virtually silent from a distance.

Its weight and compact design make it very portable, weighing only 46 pounds. With its carry handle, it is extremely convenient to carry wherever you go.

On the panel there are two 120V 20A common house outlets, a USB port of 5V/1.5A, and all outlets are covered. There is no meter on the panel, but there are three indicators: output ready, low oil, and overload.

Parallel kits allow two generators to be combined to generate more power. There is an economy switch on the generator, which leads to more fuel efficiency and quieter operation.

In order to protect the unit from damage, it automatically shuts down if the oil level is too low. The current produced by the unit has less than 3% THD, making it suitable for sensitive electronics.

It is CARB-compliant and EPA-approved.

  • Light Weight and Quiet
  • Economy Mode
  • Low oil shut off
  • Parallel capability
  • Inverter
  • Only Recoil Start
  • No Meter
  • Single Fuel
  • No DC Port

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