Tesla Powerwall

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How Tesla Powerwall Works?

Tesla Powerwall is one of the most advanced fully integrated AC battery systems available on the domestic market. Just like any other type of battery storage, Tesla Powerwall gives you the ability to store energy for later use and works with or without solar panels. Tesla Powerwall 2 is designed to maximise your home’s energy independence. Aiming to reduce your carbon footprint, and provide savings on your energy bill. 

As a Smart System, Powerwall can be customised to your energy needs, learn and adapt to your energy usage over time thanks to the Tesla Backup Gateway. Each Powerwall system includes at least one Tesla Powerwall 2 and a Backup Gateway. The Backup Gateway communicates directly with Powerwall and is the brains of the Tesla system controlling your solar energy consumption, time management, software updates, monitoring and backup energy requirements.

What makes the Powerwall different one of the best battery storage options currently on the market, is its ability to support larger loads, thanks to its 13.5kWh capacity and 5kW discharge rate.

As Tesla Approved Installers, the team at Deege Solar are specialists in installing the Telsa home battery. If you are a UK homeowner interested in having a Tesla Powerwall with or without solar panels, our team award-winning team can help either way.

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Is Tesla Powerwall Worth it?

Tesla Powerwall 2 at a Glance

Solar panel system with tesla powerwall battery
£13,995

Tesla Powerwall with Solar Panels Package

Tesla Powerwall 2 Battery

Tesla Powerwall 2 Specs

Certified Installers

Tesla Powerwall Installers

At Deege Solar we are proud to be one of the few accredited and approved Tesla Powerwall Installers in the UK.

If you are interested in installing Tesla Powerwall at your property, click the button below to request your FREE remote survey and quote.

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Frequently Asked Questions About
Tesla Powerwall

Benefiting from the recent UK announcement of a 0% VAT on battery storage systems, the starting price for a Tesla Powerwall 2 installation without solar panels is now available from £8,000, excluding VAT. For the most accurate up to take price of a Tesla Powerwall installation, make sure to contact our team on 01332 479369.

As Tesla Powerwall is one of the most premium options available on the market, it does come with a premium price tag. If you are looking for a cost-effective battery options, why not take a look at our range of solar batteries to make a comparison.

Tesla’s Powerwall 2 is a single-phase battery storage system. Whilst it is designed to work with single-phase residential electrical systems, you can still install Tesla Powerwall on a 3 phase supply. Simply by installing a sign unit on each phase or alternatively installing multiple units on one phase. The maximum number of units installed per 3-phase supply is 9 – 3 per phase, whereas you can install 10 Powerwall units on one phase to power single-phase loads. In the event of a power cut, Powerwall will provide backup power to a single phase you select. 

As the Tesla Powerwall has an IP rating of IP67, meaning it is both dustproof and water resistant, the Powerwall is suitable for both indoor and outdoor installation. Whilst the Tesla Powerwall has an optimal temperate of 10°C to 30°C, it can easily endure outdoor temperatures from -20°C to 50°C. Whilst Tesla Powerwall can be installed outside, to optimise performance it is advised to avoid installing Powerwall in locations: exposed to direct sunlight, subject to extreme temperatures or near a water source.

Unlike many of Tesla Powerwall competitors, Powerwall uses Preconditioning to improve charging performance and minimise the impact low temperatures have on the battery’s ability to charge. As the Tesla home battery can detect the internal temperature, when the temperatures are below freezing, Powerwall draws upon a small amount of energy from the battery to heat itself and improve the overall operation of the battery. This combined with Tesla’s unique liquid thermal management system, allows your Powerwall to operate at lower temperatures better than any other home battery, making the Tesla Powerwall worth it.

The Weight and Size of The Tesla Powerwall 2 is as follows:

Powerwall 2 Dimensions: 1150 mm (L) x 753 mm (W) x 147 mm (D)

Weight: 114 kg

Tesla Powerwall is a great alternative or addition to a generator. Tesla Powerwall can act as an Emergency Power Supply (EPS) to any home, as it can detect outages and has the ability to keep your home running seamlessly when the grid goes down.

Unlike a Generator, Powerwall responds immediately, requires no fuel, or upkeep and doesn’t make any noise. Powerwall can be added to a system with a backup generator, through the use of an Automatic Transfer Switch (ATS) or a Manual Transfer Switch (MTS), to provide an alternative backup supply, when the Powerwall has a low charge, or if the load exceeds the battery’s maximum output. Although they can be integrated into one system, Tesla Powerwall will not charge from the generator, only the Grid and Solar PV. 

In most situations, the Tesla Powerwall ticks most if not all the boxes for our customers. Nonetheless, at Deege Solar we also install a variety of other solar batteries. The most competitive alternatives to Powerwall, are the SolarEdge Energy Bank, Givenergy All-One Battery, and Purdrive Purestorage II.

Yes, you can install a Tesla Powerwall without Solar Panels and yes you can charge a Tesla Powerwall 2 from the Grid!

A home battery such as the Tesla Powerwall simply allows you to store electricity. This electricity can come either from renewable energy sources or alternatively the National Grid. Using a home battery without solar panels has become increasingly popular in the UK, due to the competitiveness of time-of-use tariffs such as Octopus Go. By utilising time-of-use tariffs, homeowners can simply charge and store energy from the Grid when the cost per unit is low. This is an effective way to reduce your energy bill, power your home during grid outages, and to top up your Powerwall during the winter months. This can be simply configured through the Tesla monitoring app. Hence why installing a Tesla Powerwall without Solar panels is a great alternative option if your home isn’t suitable for renewable technologies like Solar PV.

Yes, if you have an electric vehicle you can charge it using the stored energy from your Tesla Powerwall, making your car partially or fully powered by the sun. Whilst there is no direct connection between Powerwall and the Tesla Wall Connector, when there is excess clean energy generated by your system you can use this energy to charge your Tesla vehicle. Charging your Electric Car with the use of Solar Energy is a great way to maximise your solar savings, whilst reducing your carbon footprint further.

For more information about the Tesla Powerwall 3 including the release date, please visit our blog which includes everything you need to know about the new Tesla Powerwall 3 battery.

Deege Solar are expert Nationwide Tesla Powerwall Installers. If you are interested in talking to a professional advisor simply Get In Touch.

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