The Truth Revealed: Can solar panels generate electricity during power outages?

Solar Panels Power Outage

The Truth Revealed: Can solar panels generate electricity during power outages?

Have you ever encountered a power outage even when you have got those big glassy panels installed on your rooftop? Some would say yes some would say no, this makes it even more complex to conclude whether solar panels are reliable during blackouts or not. Don’t worry, we’re here to provide you with all the necessary information and help you find the answer to the question ‘Will Solar Panels work during a Power Outage?’ 


Understanding Solar Panels and Power Outages

During a power outage, whether your solar panels can save the day depends on how they're set up. If they're linked to a battery, you're in luck! But it's like a puzzle, with the local utility rules adding twists. Some places allow solar to work independently, while others have restrictions. So, your solar panels might be superheroes or sidekicks, depending on the setup and local rules.

The Basics of Solar Panel Functionality

Before diving deep into the relationship between solar panels and power outages, it’s necessary to familiarize yourself with the core functionality of Solar Panels. So basically, solar panels are a technology that runs on sunlight by converting it into electricity. 

Photovoltaic cells are a significant character in the conversion process. These cells are responsible for absorbing sunlight, thus exciting the electrons and generating current.  In normal scenarios, this electricity can either be utilized right away or returned to the grid for future consumption. 

Now that we’ve got a sneak peek of solar panels basics, it’s time to dive into the relationship of solar panels with power outages. 

Solar Panels During Power Outages

During normal times, solar panels can save you from huge electric costs. But when it comes to power outages, the situation changes. Further sections will provide the information.

Do Solar Panels Work During a Power Outage?

Solars might work or might not, it can vary based on the specific type of installation you have. If your property is equipped with a grid-tied solar system, it is most likely to turn down during blackouts. This happens to keep the utility workers safe while they are fixing power lines. 

In the second scenario, if your solar system is backed up by batteries or is curated to work on its own without being connected to the utility grid (Off-grid), then solar panels can become your savior during power outages.

Why Solar Panels May Not Work During Outages

There exist two possible situations where the solar panels stop working. 

  •  When the solar system is On-grid i.e. connected to utility grids.
  •  When the solar system is Off-grid but doesn’t possess solar batteries.

The first situation will show up because your system is connected to the grids and any problem in the grids will eventually affect the solar system. Therefore, when the grid stops the current supply, your solar panels will be automatically shut. 

Now come on to the second situation which occurs when your system is not connected to the grids and is not equipped with solar batteries. As they aren’t grid-tied, their reliance is solely on the quantity of sunlight accessible. During cloudy days or at night time, they might stop working as sunlight is not available and due to the absence of batteries, extra energy could not be stored. 

Utilizing Solar Panels in the Event of a Power Outage

In the previous sections, we dived into the complex relationship of solar panels with power outages under different circumstances. Now, it is high time to see how you can prepare your solar panels to face power outages successfully. 

How to Prepare Your Solar System for Power Outages

Preparing your solar setup for a blackout isn't just about panels on your roof. It's about knowing your system: does it rely on the grid or pack its own power? It's like having a backup dancer—your solar system can shine on its own or take a break during outages. Let's shed some light on making those panels work for you, even when the lights go out!

Types of Solar Panel Systems

When it comes to solar panels, there are three major leagues: the grid-tied, the off-grid, and the hybrid systems. Let’s take a look at echo one of them: 

Types of Solar Panel Systems
  • On-Grid: On-grid type is directly linked with the utility grids. Their function is dependent on the functioning of grids. They usually pause their work when there's a power outage.
  • Off-Grid: Off-grid systems are sun-reliant. They do not depend on utility grids. Energy is generated through sunlight and surplus energy is stored within solar battery systems. This helps in the continual function of the system during blackouts. 
  • Hybrid: Hybrid system, as the name suggests, is a fusion of the two preceding categories. They are tied up with grids for a smooth supply of power during normal times and are also equipped with batteries to face unexpected circumstances like power outages.

Importance of Energy Storage

The significance of energy storage lies in the fact that solar energy storage systems will help you and your panels face power outages efficiently. Having a battery storage setup allows you to preserve surplus generated energy by your panels to use later. This makes your property power-independent and ensures you have a continuous supply of electricity.

Energy Storage Solutions

Now that we understand the importance of energy storage, let's delve into the various options available.

Solar Batteries and Their Role During Outages

The very first energy storage solution is a ‘Solar battery’. Solar batteries are a technology that is used to hold the extra power produced by the solar panels. This stored energy is then utilized under different circumstances. 

When talking about power outages specifically, even if your solar system is off-grid or on-grid, solar batteries can play a huge role. Batteries will store the excess electricity produced within it during normal times and then it will be used later during power outages. 

But one factor must be kept in mind when you consider buying solar batteries, and that is its capacity. The capacity of the battery determines what amount of energy it can deliver and the duration it can sustain. 

A notable advantage in the current landscape is the flexibility and versatility of AC or DC coupling in battery solutions. This adaptability allows for a cost-effective and easily tailored energy storage system. Depending on individual circumstances, these flexible options enable adjustments that align with budget constraints or specific design requirements.

Can my solar battery recharge in the event of a power outage?

Solar batteries are charged using sunlight. The new electricity that panels generate by capturing sunlight is utilized by the batteries to charge themselves. So yes, as long as there's sunlight, your solar panels will continue to produce electricity and charge your solar batteries, even during a power outage. 

But in case a power outage occurs at night or during a cloudy day and then the battery can’t be charged as sunlight is not present at that particular moment. 

Grid-Tied Solar Systems and Power Outages

On-grid, also known as a grid-tied system, is a type where your solar system is tied up or connected to the common utility grid. A common utility grid is an electric grid that all people use to meet their electric needs. These grids are established by city/district electricity providers. If you have a grid-tied solar system, here's what you need to know about its operation during power outages.

How Grid-Tied Solar Systems Operate

A grid-tied solar system is linked to the regular power grid. It offers two-way benefits to the user. They can take electricity from the grid when required, and if their solar panels produce extra power, it can be sent back to the grid (which in turn will help reduce electric costs). But, if there's a power outage, the system turns off automatically for the safety of the workers who are involved in grid repair.

Using Grid-Tied Solar During a Power Outage

A property with a grid-tied system would want to maintain power during an outage, and for that one will need to add a solar battery backup. When there is a disruption in the electrical grid, the battery backup system kicks in, using the stored energy to power the connected property.

Alternative Options for Solar Energy During Outages

Beyond the trusty solar batteries, some other cool energy storage options can be your power pals during outages. Let's dive into these alternatives and see what they bring to the table.

Backup Generators and Solar Power

A backup generator is a device that can provide power to your home in case of an outage. While it doesn't utilize solar energy, it serves as a reliable alternative, especially for prolonged periods without electricity. However, unlike solar batteries, generators run on fossil fuels and are not as environmentally friendly or cost-effective in the long run.

Integrating Other Energy Storage Options

Beyond regular batteries and generators, new energy champs are emerging: flow batteries and hydrogen fuel cells. They store more power and last longer, like superheroes of energy storage. They're not mainstream yet, but they might transform the way we store energy in the years to come.

Ensuring Continuity of Power with Solar Panels

Until now, we have an idea of when solar would work and when they won’t. It’s time to see how can one ensure a continuous power supply with solar panels during a power outage. Let's find out.

Can Solar Panels Power a House During a Power Outage?

Yes, if you have packed your solar system with all the essential gear and tools. If the preferred solar system is the right setup for blackouts, then incorporate it with the proper energy storage solutions to ensure a continuous flow of electricity during power outages. 

Steps to Maintain Power Supply

Here are the most important 5 steps to maintain power supply from solar panels during power outages :
Steps to Maintain Power Supply During Power Outages
  • Install a Battery Storage System:
  • Opting for the solar battery is a much-needed step for continuous power supply. Equipping the system with solar batteries enables the panels to generate electricity to their full potential as the excess will get stored in it for future usage. 
  • Use an Automatic Transfer Switch (ATS):
  • An Automatic Transfer Switch is a technology that will switch on the store solar power from the grid power on its own. As the grid goes down, ATS will start supplying stored solar energy to the connected property, thus ensuring seamless supply. 
  • Consider a Hybrid Solar Inverter:
  • An alternative to ATS can be a hybrid solar inverter. Consider upgrading to a hybrid solar inverter that can manage both grid and battery power. This inverter will smoothly execute a transition to stored energy when the grid goes down.
  • Regular Maintenance Checks:
  • Keep your solar panels and the overall system well-maintained. Frequent inspections assist in promptly recognizing and resolving any issues, guaranteeing peak performance in the event of power outages.
  • Emergency Power Outage Plan:
  • Develop a plan for power outages. Understand how to manually switch to solar power if necessary, and educate family members on the process. Having a clear plan enhances the effectiveness of your solar power system during emergencies.


In conclusion, the capability of solar panels to provide power during a blackout depends on the type of solar system and energy storage solutions in place. With the right setup, solar panels can indeed serve as a reliable power source during outages, offering energy independence and resilience.

Summarizing Solar Panel Use During Power Outages

While grid-tied solar systems may not operate during power outages, the addition of energy storage solutions such as solar batteries can enable homeowners to utilize solar power when the grid is down. It's important to assess your energy needs and work with a professional to design a system that ensures continuity of power supply.

Future Outlook on Solar Energy and Resilience

As technology advances, we can expect to see more innovative energy storage solutions that enhance the resilience of solar power systems. The future of solar energy looks promising, with the potential to provide reliable, sustainable power even in the face of disruptions to the grid.

Reach out to one of our highly knowledgeable sales representatives to discuss further!

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