Tesla Powerwall + Solar for Your Home

Learn why the Tesla Powerwall saves you even more money — when coupled with solar — than solar ever could by itself.

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Benefits of the Tesla Powerwall Coupled With Solar

Once you install solar, any unused power that your panels generate will be exported back onto the grid by your utility company for others to use. Without the Powerwall, the unused energy you export onto the grid will be credited to your account at only a fraction of the market rate.

The Powerwall lets you store extra power, which you'd otherwise have to sell back to your utility company at pennies on the dollar, in your home for you to use at a later date, which saves you money.

Use solar-generated power whenever you need it, even in an outage.

Utah solar with Tesla Powerwall

Tesla Powerwall Features and Specs

  • Total Energy: 14 kWh
  • Usable Energy: 13.5 kWh
  • Max Continuous Power: 5 kW
  • Peak Power: 7 kW for 10 seconds
  • Round-Trip Efficiency: 90 percent
  • Dimensions: 45.3in x 29.6 in x 5.75in
  • Weight: 276 lbs.
  • Mounting Types: Floor and wall mount
  • AC Voltage (Nominal): 120/240 V
  • Internal Battery DC Voltage: 50 V
  • Grid Frequency: 60 Hz
  • Amps: 30 or less
  • Warranty: 10-year limited warranty
Utah solar with Tesla Powerwall

Use power whenever you need it, even in an outage.

How to Leverage Your Tesla Powerwall and Solar

Why Lithium-Ion Batteries Are More Widely Used

Lithium-ion and lead-acid batteries are the two main battery types used for solar energy storage. Home batteries are typically lithium-ion.

Lead-acid batteries are cheaper, but they are also heavy, have a low depth of discharge, and have a shorter lifespan. Not only is this battery clunky but, in the long run, it won't perform as well, which is why Tesla uses a lithium-ion battery for its home battery.

While there are pros and cons to lithium-ion batteries, the application of this technology has increased over the years, which has spurred continued research and development of this battery type. Some of the reasons why this battery is preferred are its high energy density, low self-discharge, low maintenance, cell voltage and that they are ready to go without priming.

Powering Your Home With Powerwalls

Because the average Powerwall produces about 5 kW of continuous power, at least two Powerwalls are recommended for the average house. However, how many home batteries are needed depends on the electricity usage of your home and the desired electricity offset.

Although two homes may use the same amount of energy, the storage needs of the homeowner may be different. Homeowners that want to power their entire home during an outage will need more storage than someone that only wants to power a couple of essential appliances. Both of these homes would need less storage capacity than an off-grid home.

What Sets the Powerwall Apart?

The three main home battery competitors on the market include Sonnen, LG and Tesla. All of these competitors have high-quality home batteries. However, some features make the Powerwall stand out in the crowd. Two of these features include its built-in battery inverter and the monitoring app.

The Powerwall's Built-In Battery Inverter

Tesla has partnered with Panasonic, which is known for its high-quality products — meaning these batteries are well designed. One of the well-designed features of the battery is the battery cooling technology used to keep the battery temperature regulated.

Increased Functionality With the Gateway App

The Tesla Powerwall also has a robust management system. This system allows the customer to see how well the battery is performing and control when they want to use the stored energy in a sleek and intuitive app. This app is especially useful for time-of-use solar customers because they can schedule the Powerwall to run during the times of the day and week where energy costs the most.

Go Solar Group Is a Certified Tesla Powerwall Installer

Go Solar Group's Tesla Powerwall Offering

Your Utility May Prevent You from Maximimizing Solar ROI if You Don't Have the Powerwall

Bring your self-powered home to completion with Go Solar Group’s solar panels and Tesla’s Powerwall. As a certified Tesla Powerwall installer, we’re ready to answer all your solar questions. Fill out the form to learn more.

Net Metering Definition

Net metering is a renewable energy technology that lets solar-powered homes and businesses put their surplus solar-generated power back onto the grid and sell it back to the utility company at a predetermined rate for other homeowners to use. Sometimes utility companies institute net metering programs, or they're created by state or city-specific clean energy laws.

Understanding Why Net Metering Matters

Think of a home without solar panels. To use electricity, the home must draw from the utility company's energy reserves. The sun, however, generates a renewable form of energy, meaning it's infinite in its capacity.

With the sun's infinite capacity comes the ability for homeowners and business owners to produce surplus solar power from their solar modules. However, they need a way to store it, so they can use it when the sun isn't out.

For many, the solution to storing surplus solar power has become net metering coupled with battery backup. Through net metering technology and policies, utility customers receive compensation, either through a credit on their bill or a check from the utility for their excess solar-generated power, which offsets the energy pulled off the grid at night and during poor weather.

The Sustainability of Net Metering for Utilities and Customers

While many utilities started their solar net metering programs with net metering, many argue that this metering system isn't sustainable for utilities after a certain amount of homes add solar.

Utilities and power companies typically have two main arguments against net metering, neither of which considers the interests of the homeowner. First, utilities argue that solar customers don't cover grid maintenance costs when they only pay a connection fee. Secondly, net-metered customers put energy on the grid during low demand times and draw power during peak usage times without paying for it.

Net metering, as it stands currently, isn't a sustainable solution by itself. It's a Band-Aid approach to solar power storage. As solar storage options have become affordable, people have started to rely less on the grid for their solar storage needs, turning to battery backup to leverage their solar arrays. Instead, they use the grid as a plan B, should their system fail.

What Is Needed To Maximize Net Metering Benefits?

Leveraging net metering incentives to their fullest extent means much more than adding solar. Fully leveraging the benefits of net metering comes when grid-tied homes use battery backup and highly efficient solar panels, which are properly installed for maximum PV ray absorption.

Why Net Metering Requires Homes Stay Connected To the Grid

Receiving net metering benefits requires having a grid-tied home. Off-grid homes don't have a way to put excess solar power on the grid or pull power from it. While off-grid homeowners can leverage solar power, they cannot benefit from net metering credits and savings, but they can fully own their power and still rely on battery backup.

Why Having Battery Backup Matters With Net Metering

If the utility company offers less than a 1:1 credit (the 100 percent market-rate price) for the solar energy you export back onto the grid, you will want to have a form of battery backup. Battery backup empowers solar homeowners by providing full control over their excess solar power, including how much is stored and when it is used.

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