Standby generators come in different sizes to fit the needs you and your home. When purchasing a home generator, there are many things to consider, but knowing the amount of power needed to keep your home running efficiently is an important first step. Read more to understand your power needs.

The fuel that powers your home is usually the best choice to power your standby generator.

It’s important to factor in your lifestyle — like working from  home or traveling often — when selecting the type of home generator you want to purchase. This will help determine the generator size best suited for you.


Powers the basics in your home, like your lights and refrigerator – up to 10 electrical loads.

Ideal for powering just the essentials.

Managed Whole-Home Power:

Powers essentials and additional circuits in the home by prioritizing power to the circuits that demand more electricity as you use them.

Ideal for powering everything in the home, but not at the same time.

Complete Whole-Home Power:

This unit powers the entire home – keeping everything running as it would with utility power.

Optimal for when you want complete power for your home during an outage.

Supporting Line:

Have confidence in your backup power solution no matter the size with our industry-leading warranty1 and superior engineering and quality.

Each appliance in your home requires different amounts of power. Think about which appliances would be most important for you to keep on during an outage. The number of watts combined will determine which generator size you would need.

Want to double check your math?

Use our wattage calculator to quickly determine the best size generator for your needs.

1See operator’s manual or for complete warranty details.​
*This generator is rated in accordance with UL (Underwriters Laboratories) 2200 (slationary engine generator assemblias) and CSA (Canadian Slandards Association) standard C22 2 No. 100-14 (mator and generators). © Copyright 2022 Briggs & Stration. All rights reserved