Solar basics

Will Solar Panels Work During a Power Outage? A Comprehensive Guide

2 Apr 2023 3 min read

Will Solar Panels Work During a Power Outage?

Power outages can be a major inconvenience, especially when they happen unexpectedly. In such situations, many homeowners with solar panels may wonder if their systems can still provide power. In this blog post, we’ll explore whether solar panels work during a power outage and what you can do to ensure your home remains powered in case of an emergency.


The Basics: How Solar Panels Work

First, let’s take a quick look at how solar panels work. Solar panels are made up of photovoltaic (PV) cells that convert sunlight into direct current (DC) electricity. This DC electricity is then sent to an inverter, which converts it into alternating current (AC) electricity. AC electricity is what powers your home and is compatible with most appliances and devices.

Solar Panels and Power Outages

Now, let’s address the main question: will solar panels work during a power outage? The answer depends on the type of solar energy system you have installed in your home.

Grid-Tied Solar Systems

Most residential solar energy systems are grid-tied, meaning they’re connected to the local utility grid. When the grid is operational, these solar systems can offset your electricity usage, and any excess energy produced can be sent back to the grid.

However, during a power outage, grid-tied solar systems are required to shut down. This safety feature, called “anti-islanding,” prevents the system from sending electricity back to the grid and potentially endangering utility workers who may be repairing damaged lines.

Solar Systems with Battery Storage

If you want your solar panels to work during a power outage, you’ll need to invest in a solar energy system with battery storage. These systems store excess energy generated by your solar panels in a battery, which can be used during a power outage.

When the grid goes down, your system will automatically switch to using the stored energy in the battery to power your home. This will allow you to maintain power for essential appliances and devices during an outage.

How to Ensure Your Solar Panels Work During a Power Outage

If you’re considering installing a solar energy system or upgrading your current one, here are some steps you can take to ensure your solar panels will work during a power outage:

  1. Invest in a solar energy system with battery storage. As mentioned earlier, this is the most effective way to ensure your solar panels work during a power outage. There are many different battery storage options available, so consult with a solar professional to determine the best solution for your needs.
  2. Consider adding a backup generator. While not as eco-friendly as solar panels with battery storage, a backup generator can provide an additional source of power during an outage.
  3. Maintain your solar energy system. Regular maintenance is crucial to ensuring your solar panels and battery storage system work efficiently. Schedule periodic inspections and cleanings to keep your system in optimal condition.
  4. Stay informed about your local utility policies. Some utilities offer incentives for battery storage or backup power solutions. Research your local utility’s policies and programs to take advantage of any available benefits.


Solar panels on their own will not work during a power outage if you have a grid-tied system. To ensure your home remains powered during an outage, you’ll need to invest in a solar energy system with battery storage or consider adding a backup generator. By taking these steps, you can enjoy the benefits of solar energy while also maintaining a reliable source of power during emergencies.

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portrait.png Jan Watermann Co-Founder, Quote for Solar

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