Benefits of Back-up Power Systems

Our back-up power systems store energy for later use. On cloudy days and night hours this reduces your reliance on the grid and having to pay for those times. This addition can be costly and you may need more storage depending on your household needs, but our experts can help you plan accordingly! Check out the Battery page for more information. Our solar experts will go over this during your consultation.

Texas Solar Professional is your best choice for solar panel installation, back-up power systems, and water purification systems.

Always Have Power

You’ll always have power when you add solar to your home. During the day, when the sun is shining, you’ll have enough power to run your home. However, at night and times when the weather is cloudy, you’ll need assistance from the grid. Typically, net-metering allows you to generate solar energy during the day and sell extra energy back into the grid. The company, in most cases, allows you to credit that towards the energy your home uses at night. Essentially the idea is for these two to cancel each other out and eliminate your energy bill completely. However, there may be times when service is interrupted or a storm rolls in and you don’t generate as much energy.

Here’s where Texas Solar Professional Back-up Power Systems come in.

These systems utilize specialized solar batteries to store energy for when you need it. During the day, you’ll be generating the most energy. Most times, the kids are at school, the adults will be working or running errands, and energy usage will be less. While some of this can go back into the grid, you can also store some in a solar battery to offset your usage at night. With enough battery power you can run your home at night or during those bad weather days without reliance on the grid, though the battery storage may be costly. You can also use a backup power system to run your essential appliances, such as your refrigerator or possibly your air conditioning unit, when the power from the grid goes out. Naturally you’ll still be connected to the grid, and be able to still utilize electricity, but these systems allow you to cut some costs and benefit you in the long run.

How Back-up Power Systems Works

This section will give you a brief overview of Back-up Power Systems for solar installation. First, it’ll go over how a solar setup typically works and what net-metering is. Next, it’ll go over how we determine your ideal storage setup. Last, we’ll help you get an idea of how we size your solar battery system and how much battery storage you may need. A Back-up Power System can add additional costs to your project. But let’s look at some of the details of such a system to allow you to determine if it’s right for you. Our professional solar panel team is always ready to help you with your needs and answer any questions you may have.

First, let’s talk about net-metering.

*If electrical grid is down net metering also is down and for electricity a battery would be required*

Determining Your Ideal Storage Setup

There’s no easy all-inclusive answer that fits all and all homes. It depends on your energy storage goals, what you want, and what your budget is. You may want to be able to run essential loads, such as your appliances, lighting, and Wi-Fi. You may want to backup your entire home. Some utility companies may not allow net-metering, so you may want to run your home at night when the sun isn’t shining. All of these situations are based on your needs and what’s best for you. Don’t worry, though, we’ll help you determine what’s ideal for you and what makes the best sense financially and practically.

Adding one or more batteries can add substantial costs to the project, so it’s important to figure out what your storage goals are and what loads you deem essential.

The average home uses 15 kilowatt-hours (kWh) of electricity per day. Here’s an important read on the difference between kW and a kWh, as there is a difference. Also, keep in mind that if your home has a large air conditioner or pool pump, you’ll use a lot more energy than 15 kWh.

Let’s move onto battery sizing.

Battery sizes are expressed in kWh. So for this average home, will it need 15 kWh of batteries to power it? In the case of a complete power outage, yes. However, on a typical day, you won’t be home during the day. An average home uses 30% of its power during the day when the sun is up and the solar panels are producing electricity, the other 70% is used at night. These numbers equal roughly 4.5 kWh of daytime usage and 10.5 kWh of nighttime usage. Without a battery system you’d have to buy that 10.5 kWh from the utility company (If the company allows for net-metering, then your costs will be offset by the solar you generate during the day). With a battery system, you’ll draw that power from the battery so that means you’ll need a 10.5 kWh battery to power your home at night. Obviously, you’ll use less or more power depending on the day, but it all depends on your needs and what you’d like.

While this may be confusing, Texas Solar Professional is here to help you out. We can check consumption numbers and allow you to plan accordingly. Back-up power systems are great if your situation allows. They provide more self-reliance and avoid not being able to use your essential appliances in the case of a major power outage.

Typical System Layouts

Here’s how some of those systems look. Notice that there are Whole Home Backups or Partial Home Backups. Whole Home Backups run your whole home off the backup system. While Partial Home Backups only run those essential parts of your home, say your refrigerator, lighting, and Wi-Fi.

Whole Home Backup

Partial Home Backup

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