Tesla Powerwall 3 Installations

 TESLA POWERWALL 3: Specifications, Advantages, & Additional Details.

As a Tesla Certified Premium Installer and recurrent recipient of Tesla's Customer Service Excellence Award, we are among the first companies in the UK to deploy the Powerwall 3.

The groundbreaking Powerwall introduced innovative battery storage solutions to households worldwide. At Steve Duckworth Electrical, we were among 50 pioneering licensed installers hand selected by Tesla themselves to introduce the Powerwall system to the UK. 

Thousands of customers across the North West have entrusted their energy needs to Tesla Powerwall battery storage systems installed by Steve Duckworth Electrical. These systems enable the storage of surplus solar energy, facilitate electric vehicle charging, and provide backup protection during grid outages. Additionally, Powerwall enables access to the latest and/or cheapest energy tariffs, empowering customers to engage in electricity trading with the grid.

Tesla Powerwall 3: What you need to know.

Powerwall 3 is a fully integrated solar and battery system designed to accelerate the world’s transition to sustainable energy. Powerwall 3 can store solar or grid energy for later use when the sun goes down or when the electricity prices are high; lowering their electricity bills, reducing their reliance on the grid, and power their homes during a grid outage. Once installed, customers can manage their home energy system using the Tesla App and customize system behavior to meet their energy goals.

Powerwall 3 achieves this by supporting up to 20 kW DC of solar and providing 11.04 kW AC of continuous power per unit. It has the ability to store up to 13.5 kWh of energy and start heavy loads rated up to 185 A LRA, meaning a single Powerwall 3 can support the power needs of most homes. Powerwall 3 is designed for fast and efficient installations, modular system expansion, and simple connection to any electrical service.

Tesla Powerwall 3 Example System Configurations.

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Interested in having a Tesla Powerwall 3 installed in your home?

If you're interested in having a Tesla Powerwall 3 installed in your home, we're here to address any inquiries you may have, so feel free to get in touch via phone or email where we can discuss your individual needs. 


Browse our frequently asked Powerwall 3 questions below.

 This page will be updated as and when new information comes in, but for the most accurate and up to date information, get in touch with a member of our team.

No, you do not. Even though the Powerwall 3 has an inverter built-in, you do not have to use it. You could just use the battery to store cheap-rate electricity for use during peak hours. This also gives you the flexibility to install solar at a later date and use the pre-existing inverter in the Tesla Powerwall 3.

The Tesla Powerwall 3 can connect to pre-existing solar systems as the inverter can be bypassed, and the pre-existing solar system is connected into the Gateway 2 controller, so your solar energy can be stored in your Tesla Powerwall 3. Alternatively, for a more efficient panel-to-battery system, your current inverter could be removed, and the solar panels could be plugged straight into the inverter in the Powerwall 3. This system is more efficient as the energy isn’t converted from DC to AC back to DC again, before being stored in the battery.

The price of a Powerwall 3 varies depending on your needs. We’ve observed a number of companies advertising prices that do not accurately reflect their final quote due to the number of add-ons necessary once they have more information from the customer. We’re proud to offer incredibly competitive pricing whilst maintaining high quality, certified installations. Get in touch for a quick and personalised quote.

A Powerwall 3 can be installed anywhere a Powerwall 2 can be. They can be fitted outside, in garages, and even inside the property. At 130kg, they cannot be fitted in most loft spaces as they are too heavy and large to fit into the average loft space.

In the event of a power cut, the Powerwall 3 will go into backup mode. This allows you to run your house off your battery system. The duration for which you can run off-grid depends on factors such as the amount of charge in your battery and your electricity consumption. According to Ukpower.co.uk, the average power cut lasts around 2 and a half hours.

The guarantee covers retaining 70% capacity. It requires a reliable connection to the internet for remote updates. If the device isn’t connected or the connection is interrupted, the warranty may be limited to 4 years. It also covers defects in parts and workmanship, and component protection.

Tesla Powerwalls are rigorously tested and comply with all American, European, and UK electrical standards, making them safe for consumers globally.

A Tesla Powerwall 3 is an electrical storage solution for storing excess energy created by solar panel systems or for storing cheap-rate electricity for use during peak hours. It can also supply power to the property during a power outage on the grid. By installing a battery, you can save money on bills and be more self-sustainable when there are issues with the national grid.

The Powerwall 3 was officially released on 19th June 2024. Delivery dates across the UK will differ depending on Tesla’s stock and ability to ship units.

The number of Powerwalls a property needs depends on multiple factors such as the amount of energy created by a solar panel system, the energy used from the solar system, the energy sold back to the grid, energy used during peak times, and energy needed during a power outage. These are all questions specific to each property, so feel free to get in touch for a free personalised quote.

Unfortunately, Tesla has decided not to make the two battery systems compatible. So if you need extra Powerwall 2 units for your system, get your orders in before October 2024. 

Your first step is to contact us either via phone or email, so we can answer any queries you may have, or design a free personalised quote for your budget and property.

As an energy storage device, the Tesla Powerwall 3 is designed to supply enough energy to power some or most of your electrical household items. Please note that depending on the limitations from the DNO (Distribution Network Operator), you may be limited on how much you can export to the grid. So get in touch, and we can apply on your behalf.

For homes with emergency systems and high-level security systems, generators can be an important protocol to keep occupants safe and safe rooms running. As these types of systems aren’t very common, we would need to design a system specifically around your pre-existing safety and security systems. So get in touch for advice and a free quote.

The Powerwall 3 comes with a built-in solar panel inverter, allowing your system to be more efficient as the DC from your roof can go straight into your battery without being changed to AC and then back to DC. The Powerwall 3 also has the ability to discharge at up to 11kWh, although this depends on the DNO application made on your behalf.

There is no reason why you wouldn’t be able to charge your car or run your air conditioning off your battery system. There are, however, two limiting factors. The first being how much storage you have and the second being the discharge rate. If the DNO limits your discharge rate, then you will only be able to run smaller items off your battery. But if you only have one battery, this means you can run those items for longer.

The simple answer is yes. The Powerwall 3 may come at a different cost with a later lead time but get in touch and we can discuss your individual needs.


Telephone 9am-5pm, Monday to Friday: 0161 260 1704