Can Solar Power Be Used During Power Outage?

What happens if the electricity goes out? Is it true that having solar panels protects you from power outages?

Solar panels on your roof or land will continue to generate electricity even if the power goes off, as they do every day, because the panels collect sunshine and solar energy. If your system is grid-tied and you don’t have a solar battery, however, you won’t be able to use that energy to power your home during a power outage because your solar system would shut down for safety reasons.

You won’t have to worry about it if you also have a battery backup system.

Solar Battery Keeps Your Electricity Going

This is how surplus electricity is stored, and it’s also how a home that isn’t entirely powered by solar panels keeps running. When your home is connected to the grid, the energy generated by your solar panels is fed back into the grid.

Power outages are mainly caused by a problem between the electricity provider and the homeowners. Although the power plant is still capable of producing electricity, a system flaw (such as a broken power line) prevents the supply from reaching the consumers in that service region. Solar-powered homes connected to the grid contribute to the production of electricity, but they are not immune to community-wide blackouts.

The only method to lessen your chances of experiencing a blackout is to store the solar energy generated by your system on-site. To do so, you’ll need to install a solar battery backup system. This can increase the expense of getting solar, but it also means that your home will have access to electricity even if the rest of the neighborhood does not.

When the power goes off, do solar panels still work?

See how solar battery storage keeps your solar systems running with reliable, sustainable solar electricity during a power outage, and why we need clean energy today more than ever.

Why Do I Need a Solar Battery During a Power Outage?

Currently, the electric grid will shut down in the event of severe weather or if consumer demand exceeds the system’s capacity. Your solar panel system would be affected by this power loss. Utilities can also turn off power if they believe the grid is about to become overburdened.

One reason for the shutdown is to protect utility employees who have been dispatched to repair broken electrical lines. The other reason is that your solar panel system (also known as “grid-tied solar”) is connected to the grid via a solar inverter. The inverter is connected to a smart meter that keeps track of how much energy you use and how much solar energy you send back to the utility. As a result, if the grid goes down, so do your solar panels. 1

(As a reminder, net metering is still in effect.) If your state allows net metering, you can save even more money by selling your extra energy to your local utility provider. 2 If it’s possible, your solar business should be able to help you with this.)

Solar battery storage is the only option for your solar panels to continue generating power during a blackout. Solar storage is becoming increasingly important to utility companies, and they are looking for methods to incorporate more renewable energy into their infrastructure. 3

During a power outage, how can I use solar panels in my home?

If you want to use your solar panels in the event of a power loss, you’ll need an inverter. Your solar panels send power into the system while you collect power from the grid when your residence is connected to the grid and the grid is operational. The conversion of power has already been completed for you. However, an inverter is required to take energy straight from your home’s solar power system.

Your utility company requires power while the grid is down so that their technicians can safely work on the downed lines. To convert the direct current (DC) power from the solar panels to the alternating current (AC) power utilized in your home, you’ll need backup solar batteries and an inverter.

During a power outage, will my solar battery charge?

“Many homeowners are increasingly integrating solar panels with batteries,” says Vikki Kumar, Panasonic Life Solutions’ systems engineer for energy storage and solar. “If a power outage lasts longer than predicted, your batteries will continue to charge and generate electricity from sunlight.”

During a power outage, how long will a solar battery last?

Some batteries will also provide you more backup time than others. Tesla’s Powerwall, with a capacity of 13.5 kilowatt-hours, outperforms Sunrun’s Brightbox, which has a capacity of 10 kilowatt-hours. However, both systems have the same power rating of 5 kilowatts, which means they provide the same amount of power “Ravi Manghani, WoodMac’s director of solar, believes that “full load coverage” is possible.

“One wouldn’t typically aim to draw at the maximum 5 kilowatts during a power outage,” Manghani said, a load approximately similar to running a clothes drier, microwave, and hair dryer all at once.

“During an outage, the average homeowner will draw a maximum of 2 kilowatts and an average of 750 to 1,000 watts for the period of the outage,” he said. “A Brightbox will last 10 to 12 hours, and a Powerwall will last 12 to 15 hours.”

Existing tools and programs, such as Sense and Powerley, can also provide homes with an estimate of their usage. However, in a Catch-22 situation, the applications may require power to function, despite the fact that data on previous power usage could assist homeowners in determining which appliances to prioritize.

According to recent data, many homeowners installing energy storage systems choose two batteries over one to increase backup capacity.

“It depends on how much energy your home consumes, how large it is, and the weather in your area,” he explained. “Some of our customers may be able to have a whole-house backup with just one or two batteries, but that may not be enough in other circumstances.”


The cost of purchasing a solar system is relatively expensive at first. Solar panels, inverters, batteries, wiring, and installation are all included in this cost. Nonetheless, because solar technology is continually improving, it’s realistic to predict that prices will continue to fall in the future.


Although solar energy can be collected during overcast and rainy days, the solar system’s efficiency is reduced. Solar panels must be exposed to sunlight in order to collect solar energy. As a result, a couple of overcast, rainy days can have a significant impact on the energy system. It’s also important to remember that solar energy cannot be collected at night.

Thermodynamic panels, on the other hand, are an option to consider if you need your water heating solution to work at night or during the winter.

Check out our video for a breakdown of how effective solar panels are in the winter:

Is it possible to have solar panels as well as a backup generator?

The truth is that even if you have a backup generator connected to your home, your solar panels will not switch on if the power goes out. Unfortunately, you can’t use both solar and generator power to power your home at the same time.

To put it another way, the generator and the solar panels cannot run in tandem.

Solar panels, as previously stated, give input to the grid, posing a risk to utility maintenance employees. Similarly, if the panels were left on, they would transmit feedback to the generator, causing harm to either the generator or the solar system. Plus, the energy generated by the generators isn’t strong enough to start most solar inverters.

This isn’t to say that if you have solar, you can’t have a standby generator, or that you can’t have solar if you already have one. Many homes, especially when it comes to off-grid systems, have both solar panels and generators.

All that remains is to correctly wire the panels and generator so that they do not conflict with one another. Your solar installer or a licensed electrician can assist you in determining the best (and safest) method.

What happens to my solar system if my location experiences a power outage?

If there is a power outage and the grid is unable to stabilize it, the flow of power from your solar system into your premises will fluctuate significantly, potentially damaging your equipment and appliances. As a result, by isolating itself from the network, your solar system inverter protects your property from damage.

What appliances can be powered by solar energy?

Can I use solar to power my air conditioner, refrigerator, and water pump? If you’re looking for a list of solar-powered appliances, you’ve come to the right spot. We’ll look at what you can do with solar panels in this post, specifically what you can do (power) with 1 kW solar panels.

On a solar on grid system, you can run any device for any amount of hours, such as an air conditioner, washing machine, refrigerator, or water pump (No battery system).

However, because you have limited storage with a solar off grid system (battery-based system), you can only power a limited number of appliances for a limited number of hours.

On a solar off grid system, you can certainly run high-power appliances like an air conditioner, but you’ll need a lot of battery storage, which will raise the project cost and maintenance costs.

What am I able to do with solar panels? The quick answer is that solar panels can power anything, including your air conditioner, water pump, and lift.

What appliances you can power with solar panels is determined by the system with which you connect your solar panels.

To power a home, how many solar panels would be required?

The most important takeaways To completely offset power expenditures with solar, an average home will require between 20 and 24 solar panels. The amount of solar panels you’ll need is determined by a few factors, including your location and the characteristics of each panel.

Is it possible to use solar panels at night?

Have you ever wondered if a solar panel could be used at night? After all, it is one of the most significant flaws in solar energy. You can now capture solar energy at night thanks to science and creativity. The lack of sunlight at night makes it impossible to generate power, which is a drawback for solar energy. Using an anti-solar panel, on the other hand, can allow you access this energy even at night.