The Tesla Powerwall and Powerwall+ are two must-consider options when it comes to battery storage. In this article, we’ll breakdown the specifications, advantages, and costs of the Tesla Powerwall. Contact online >>
The Tesla Powerwall and Powerwall+ are two must-consider options when it comes to battery storage. In this article, we’ll breakdown the specifications, advantages, and costs of the Tesla Powerwall.
The Tesla Powerwall is the best-known home battery on the market. The Powerwall sets the standard for the solar battery industry — it offers a great balance of capability, capacity, flexibility, and software, all at a very compelling price point.
Tesla manufactures the Powerwall at its giant battery factory, nicknamed the "Gigafactory," outside Reno, Nevada. While this facility also produces battery packs for vehicles, Tesla uses a slightly different chemistry in the Powerwall to optimize its functionality as a stationary storage system.
The Tesla Powerwall provides all the standard advantages of solar batteries, including backup protection against grid outages, time-of-use load-shifting, and greater energy independence.
Early Powerwall models and competitors, such as Sonnen and LG, are DC batteries, which require a separate inverter to convert electricity to AC before it sending it to the home or grid.
For the Powerwall 2, this inverter is part of the package, streamlining the configuration by eliminating the need for the separate inverter. However, the Powerwall 2 still required a separate solar inverter in order to receive and store solar output.
The latest version is the Powerwall+. The Powerwall+ is essentially the Powerwall 2 with the addition of a built-in solar inverter. This allows the Powerwall+ to directly receive DC electricity from solar panels and eliminates the need for yet another series of solar inverters.
Finally, the Powerwall 3 was set to be released in Spring 2022, but is likely delayed until at least Spring 2023. It’s expected to have double the capacity of the Powerwall 2, among other optimizations.
Installing multiple DC batteries will increase the system''s storage capacity – meaning the system will provide power for a longer duration in an outage – but the overall system output doesn''t increase. Multiple DC batteries can only back up the same circuit amperage that one battery can.
Another big advantage of Powerwall is its thermal management system. Powerwall, like Tesla vehicles, has a liquid heating and cooling system running through the battery pack that keeps the cells operating at the ideal temperature.
But there’s a kicker: Tesla no longer sells the Powerwall individually. In order to get the $11,5oo all-in price, you’d have to buy solar from Tesla, too.
Going directly through Tesla is a great way to get bulk pricing on solar and storage, but if you want a Powerwall on its own, you’ll need to go through a local installer.
Buying a Tesla Powerwall through a local installer typically runs about $12,000-$16,500 fully installed ($8,400 to $11,550 after the 30% federal tax credit is applied). That includes all of the ancillary components needed to make the battery function – see our article on solar battery pricing for more information about the factors that contribute to battery pricing.
If homeowners buy multiple batteries at the same time, installers will typically reduce the cost of the subsequent batteries, since some of the equipment can be economized.
The Powerwall can store solar or grid energy to use during power outages or to work around expensive time-of-use rates. When paired with solar, battery storage turns your home into a mini-utility powered by clean energy.
Boris Feldman is our own Solar customer who had a Tesla Powerwall 2 installed at home. Here''s what he had to say about his experience with his new backup battery.
"The Powerwall 2 is a really cool piece of technology that allows me to have total control of our household electrical usage. It''s a sleek design, and the mobile app is incredibly intuitive."
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