Standby Sizing Calculator
Standby Sizing Calculator
Best Backup Generators

Best Backup Generators

Top-Rated & Best-Selling Emergency Backup Generators

By  | Portable Generator Product Expert

You never know when an emergency power outage will strike, but you can be ready when it does.

Emergency generators are a smart investment to make sure the lights stay on.

To help you cut through the clutter and conflicting reviews, this year we compiled a list of the best-selling, top-rated and expert-recommended models.

Browse the lists below, or take a look at our Emergency Generator Buyer's Guide first.

Top 10 Selling Backup Generators

Top 10 Rated Backup Generators

Recommended Backup Generators

Top Medium Emergency Generators
Recommended
Firman P05702 - Performance Series 5700 Watt Electric Start Portable Generator w/ Wireless Remote
$779.00
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5
(12)
The Firman P05702 – 5700 Watts comes with electric start & a wireless remote. The electric start is convenient for quick and easy startup and has recoil backup if needed. The wireless remote start streamlines the startup process by allowing the user ...
Recommended
Champion 100231 - 5500 Watt Dual Fuel Portable Generator (CARB)
$829.00
$729.00
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
(5)
The Champion brand produces some of the most reliable generators we offer. The 5500-watt dual fuel model is not only reliable but versatile, able to run on either gasoline or propane. During an emergency situation, such as a hurricane, gasoline can b...
Recommended
Generac 5939- GP5500 - 5500 Watt Portable Generator
$699.00
4.7 out of 54.7 out of 54.7 out of 54.7 out of 54.7 out of 5
(245)
These GP5500 generators are very solidly built at an affordable cost. You can find cheaper generators, but nowhere near the quality of Generac. This is our best seller during national disasters such as hurricanes because it will keep all of your esse...
Top Large Portable Emergency Generators
Recommended
Champion 100110 - 9200 Watt Electric Start Portable Generator (CARB)
This is a very good sized generator for emergency backup power. It comes with electric start, which is a huge plus--no more having to mess with recoil during an emergency. It's affordable and will power your fridge, sump pump and a few other items du...
Recommended
Briggs & Stratton 30664 - 8000 Watt Electric Start Portable Generator w/ (4) 120V Outlets (49-State)
$1079.00
$979.00
4.6 out of 54.6 out of 54.6 out of 54.6 out of 54.6 out of 5
(27)
The Briggs & Stratton 30664 is stylish and stout, with plenty of available power for larger appliances. It comes nicely equipped with an electric start Briggs & Stratton Elite 2100 Series™ OHV Engine. Plus, it features an extra-large, 7-gallon metal ...
Recommended
CAT® RP7500E - 7500 Watt Electric Start Portable Generator
$1199.00
$1,049.00
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5
(35)
We like the CAT 7500-watt portable generator for four reasons. 1. Larger Generators are often hard to start with a recoil rope. This CAT generator comes conveniently equipped with an electric key start and a battery. Simply turn the key, and it start...
Top X-Large Emergency Generators
Recommended
Generac GP17500E - 17,500 Watt Electric Start Portable Generator
$3159.00
$2,999.00
4.5 out of 54.5 out of 54.5 out of 54.5 out of 54.5 out of 5
(181)
This is an extremely popular generator in Florida. Most homes in hurricane country are powered entirely by electricity; there is no natural gas or propane fuel source. Standby generators simply don't work in these situations because they need natu...
Recommended
CAT® RP12000 E - 12,000 Watt Electric Start Portable Generator (49-State)
$2679.00
$2,479.00
4.7 out of 54.7 out of 54.7 out of 54.7 out of 54.7 out of 5
(61)
Homeowners love this generator because it generates enough electricity to power a small home. Contractors love it because it can power an entire job site. It includes nearly every type of plug imaginable, ranging from an ordinary household outlet ...
Recommended
Champion 100111 - 12,000 Watt Electric Start Portable Generator (CARB)
If you were considering a 7000-8000-watt portable, but you still wanted to power a few more items at the same time, this 12,000-watt portable generator from Champion is your answer. This tough generator meets any of the needs you throw at it- tha...