Can You Combine a Standby Generator With Solar?

Although many new homes have solar already installed on their roofs, some new homeowners want extra power backup in the form of a standby generator. But do these work alongside each other? If you’re considering a standby generator for your home that already has solar installed, there are a few things to keep in mind.

Can I add a generator to my solar system?

Standby generators can be used as a backup power source for solar panels. So, if you’re looking to combine solar and a standby generator, it is possible.

However, you can’t have both solar panels and a generator running simultaneously. At all times, they must be electrically isolated. There are times when a solar inverter sees electricity from a generator, and it will try to sync up with the generator and back feed power to it.

How do solar panels work with a generator?

As sunlight shines down on a solar generator, it converts that energy into usable electricity. The inverter then transforms the energy from DC to AC.

You may use solar panels and portable solar generators to power your home in the event of a power outage. These are quieter and better for the environment than traditional gas generators. A further benefit is that they need no additional fossil fuel purchases to be used as a backup generator.

How do you hook up a solar panel to a generator?

An “MC-4 Branch Connector” may be used to connect many solar panels together. Connect your solar generator to the MC-4 branch adapter, then all of your solar panels. Solar panels will be linked in a “parallel connection” as a result of this.

Is there a generator that runs on gas and solar?

The Champion Power Equipment 6250W Dual-Fuel Portable Generator lets you run on either propane or gasoline. This provides a powerful backup for your house, with 7850 beginning watts and 6250 watts of operating watts. Essentially, this is one generator with two fuels.

Related Questions and Answers

What is the best generator to connect with a solar system?

This video should provide you with some answers:

Do solar panels draw power at night?

During the night, solar panels lose power! Those panels don’t produce any power if they aren’t exposed to direct sunlight. The flow of electricity is reversed because there is still a lot of power in the batteries, resulting in “back-feeding.” Because of this, at night, the panels actually use a lot of electricity.

Can a solar generator be used while charging?

While charging, solar generators may be utilized, but only if there is enough electricity. Your generator may not be able to keep up with the increased demand for electricity. Use only generator-capable appliances to ensure that the charge maintains up with the power consumption.

How long does it take to charge a solar-powered generator?

On average, it takes around eight hours of direct sunshine to recharge a portable solar generator battery.

How long can you run a generator without cutting it off?

Although it is suggested that a standby generator not be operated for more than 500 continuous hours, on average, a standby can power a medium-sized house for over three thousand hours on one charge.


A “whole house solar generator” is a device that can be used to provide power for your home when the grid goes down. They are typically hooked up to a standby generator and they work by converting the energy from the sun into electricity. It’s possible to combine these two devices, but it should be done carefully.

NEXT UP: Are Diesel Generators Good for Survival?

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James Sylvester
About James Sylvester

James S. Sylvester is an experienced OSHA Safety Supervisor with years of experience in the construction and oil & gas industries. He focuses on workplace safety, occupational health and safety systems. Learn more about James' here or connect with him on Twitter