Tesla Powerwall 3 UK Installers

Power your home day and night with the Tesla Powerwall 3

We are certified Tesla Powerwall 3 UK Installers, supplying and fitting the Tesla Powerwall 3 across the North West. We’ll design a system around your home, with full transparency and no surprises.

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  • Tesla Certified Installers
  • 0% VAT for 2026
  • 10-Year Warranty
Tesla Powerwall Certified Installer

Get your Tesla Powerwall cost upfront with no pressure to commit.

Installed by award-winning solar experts with decades of experience

No hidden charges or sales tricks. Just reliable solar from people who care.

Tesla Powerwall 3 UK

What Is the Tesla Powerwall 3?

The Tesla Powerwall 3 is Tesla’s latest generation home battery storage system. It stores electricity and makes it available whenever you need it.

What makes the Powerwall 3 different is the built-in solar inverter, which means a simpler installation, lower overall cost and better solar efficiency.

The process for arranging the installation was very efficient compared to months of unsuccessful communications with a local electrician who let us down.

Tesla Powerwall 3 UK Installers Who Put the Work In Before You Spend a Penny

When you choose E-Verve Energy for your Tesla Powerwall 3 installation, you get a system designed around your actual energy use, your home and your budget. Not a one-size-fits-all package pushed out the door.

  • Free Quote & Full System Design
    Answer a few quick questions about your home and we’ll build a Tesla Powerwall 3 package that suits you.
  • On-Site Survey
    One of our Tesla Certified installers will visit your property, check your existing setup and confirm the system design. It’s our way of making sure everything is right before we commit a date to your diary.
  • Installation Day
    Our qualified installers arrive on time, complete the work to a high standard, and leave your property clean. A typical Tesla Powerwall 3 installation can be completed in a single day.
  • Handover & Ongoing Support
    After we install your Tesla Powerwall 3, we’ll walk you through the Tesla app. We also track your system’s performance from day one, and we remain available if anything needs attention after we’ve left.

We are really happy with the system now that it’s in place. Through the quotation process and preparation for the installation Jordan was very knowledgeable and patient with our questions.

Get More From Your Solar Panels with Tesla Powerwall 3 Battery Storage

Solar panels generate electricity during daylight hours. Without a battery, most of that generation happens while you’re out and gets exported to the grid at a rate that can be lower than what you’d pay to buy it back.

Adding a Tesla Powerwall 3 changes that. Instead of exporting surplus solar energy, you can store it. Then you use it in the evening, overnight (or whenever your panels aren’t generating). The result is a reduction in your grid reliance and a better return on your investment.

The Tesla Powerwall 3 can also work independently. You can charge it from the grid at off-peak rates and draw from it during expensive peak periods.

Tesla Powerwall 3 UK Installation

Installing a Powerwall 3 battery at the same time as solar panels also makes it eligible for 0% VAT for 2026.

Tesla Powerwall 3 Technical Specifications

Here’s a full breakdown of the Tesla Powerwall 3’s technical specifications.
Full official data is available in the Tesla Powerwall 3 datasheet.

Energy Capacity

Tesla Powerwall 3

Energy Capacity

13.5 kWh

Continuous Power Output

11.5 kW

Round-trip Efficiency

89%

Solar to Home/Grid Efficiency

97.5%

Maximum Solar STC Input

20kW

Operating Temperature

-20°C to +50°C

Weight

132kg

Dimensions

1,105mm × 609mm × 193mm

Scalability

Up to 4 Powerwall 3 units
+ 3 Expansion units (7 total)

Certifications

UL 9540, CEC-approved,
IEC 62109-1, IEC 62619, UN 38.3

Warranty

10 years, unlimited cycles

Installation

Floor or wall-mounted,

indoor or outdoor

The Tesla Powerwall 3 can be floor or wall-mounted and is suitable for both indoor and outdoor installation. It’s also rated IP67, which means it’s resistant to dust and rain and can withstand temporary submersion in up to 0.6 metres of water.

Tesla Powerwall Install by E-Verve Energy

Tesla Powerwall 3 Price UK. How Much Does a Tesla Powerwall 3 Cost?

We get asked about the cost of a Tesla Powerwall in the UK more than almost anything else.

The Tesla Powerwall 3 price in the UK typically starts from around £11,000 fully installed for a single unit. That’s the honest answer to how much a Tesla Powerwall costs though the exact figure depends on a few things specific to your property.

If you’re combining a Tesla Powerwall 3 with a new solar installation, the overall package will cost more but the savings compound. You generate more, store more and import less. The payback period improves significantly when both are installed together.

Battery storage installed with solar panels also qualifies for 0% VAT for 2026, which can represent a meaningful saving on the total Tesla Powerwall cost UK.

What Affects the Tesla Powerwall 3 Cost?

  • Whether it’s a standalone installation or combined with solar panels
  • Your existing electrical setup, including consumer unit condition, cable runs and meter type
  • Number of units if scaling to two or more Tesla Powerwall’s

The best way to get an accurate Tesla Powerwall 3 UK price is to get a proper quote. Ours are free, include a full system design and come with no obligation to proceed.

Tesla Powerwall 3 vs Powerwall 2 – What’s Changed?

The Powerwall 2 was already a capable home battery, but the Powerwall 3 is a big improvement.

Energy Capacity

Tesla Powerwall 2

Tesla Powerwall 3

Continuous Power Output

5 kW

11.5 kW

Solar Inverter Included

No. External unit required

Yes. Fully integrated

Solar to Home Efficiency

Not rated

97.5%

Max Solar Input

Not rated

20kW

Round-trip Efficiency

90%

89%

Max Units Per System

Up to 10

Up to 7 (4 + 3 Expansion)

EV Charging Support

Yes

Yes

Warranty

10 years

10 years, unlimited cycles

Ask us about the Tesla Rebate deal

Homeowners installing Powerwall 3 systems can claim a cashback reward of £375 per Powerwall 3 or Powerwall 3 Expansion, with up to £750 available per address, per unit up to a maximum of two units. Known as the Tesla Rebate, rewards are issued as a Virtual Prepaid Visa Rewards® Gift Card direct to the homeowner, once the system has been installed and approved by a Tesla-approve Installer.

The Tesla Powerwall 3 rebate promotion applies to Powerwall 3 and Powerwall 3 Expansion Packs, creating a strong opportunity for installers to promote larger or expandable storage systems.

Why Choose E-Verve Energy for Your Tesla

There are a lot of installers who’ll fit a Tesla Powerwall 3. The difference is what happens before and after.

  • Certified Tesla Powerwall 3 UK Installers Means Your Warranty Is Safe With Us
    The 10-year manufacturer warranty on the Tesla Powerwall 3 is only valid when the unit is installed by a Tesla-approved installer. E-Verve Energy holds full Tesla Certified status, so every installation protects your warranty.
  • Over 20,000+ Installations
    We’ve been installing solar panels, battery storage and EV chargers for over a decade. We’ve seen and solved the problems that catch less experienced installers out and your installation benefits from all of it.
  • No Subcontractors. Ever.
    All of our Tesla Powerwall 3 installations are carried out by our own qualified engineers. We don’t use subcontractors and the people who quoted your job are accountable for the finished result.
  • We’ll Tell You If It’s Not Right for You
    If a Tesla Powerwall 3 isn’t the right solution for your home, we’ll tell you that instead of selling you something that won’t deliver. That’s how we’ve built the reputation we have.

Get Your Free Tesla Powerwall 3 Quote Today

  • Free, no-obligation quote with full system design included
  • Add Transparent pricing so you’ll know exactly what you’re paying before you commit
  • Tesla Certified installation so your warranty is protected
  • Aftercare and monitoring included from day one

Tesla Powerwall 3 Installation Areas We Cover

  • St Helens
  • Liverpool
  • Manchester
  • Merseyside
  • Cheshire
  • Cumbria
local solar installers
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What Our Customers Say About Our
Tesla Powerwall 3 Installations

Get A Custom Quote From Tesla Powerwall 3 UK Installers

No hard sell. No vague estimates. Just a clear, detailed quote based on your home from a team that’s qualified to back up everything they recommend.

140+ Google Reviews

Have more questions about Tesla Powerwall installation?

That’s okay, we’ve answered some of the more commonly asked questions here but if you still have questions, complete the form below and one of our local solar installers will be in touch to provide any support you need.

The Tesla Powerwall 3 price in the UK typically starts from around £11,000 fully installed for a single unit. The exact cost depends on your current setup, whether it’s being installed alongside solar panels and your location. The best way to get an accurate figure is to request a free quote.

The Tesla Powerwall 3 has a capacity of 13.5 kWh. It delivers a continuous power output of 11.5 kW. You can also add up to three expansion units.

The main differences are power output (11.5 kW vs 5 kW) and the integrated solar inverter. The Powerwall 3 connects directly to solar panels without a separate inverter, reducing installation complexity and cost. It also offers 97.5% solar to home efficiency.

No. The Powerwall 3 can charge from the grid as well as from solar panels. This makes it useful for anyone on a time-of-use tariff who wants to store cheap overnight electricity and use it during peak periods. That said, combining it with solar significantly improves the financial return.

Yes. The Powerwall 3 is available in the UK and we have stock. As a Tesla Certified Installer, we can supply and install the Powerwall 3 across the North West.

There is currently no dedicated government grant for home battery storage in the UK. However, battery storage installed alongside solar panels qualifies for 0% VAT, and you may be eligible for Smart Export Guarantee (SEG) payments for surplus solar electricity exported to the grid.

Yes. The Powerwall 3 includes backup protection and can automatically detect a grid outage. It switches your home to stored power with minimal disruption, allowing you to run essential appliances until the grid is restored.

Yes. The Powerwall 3 can supply power to any circuit in your home, including your EV charger. Most charge points are compatible, including the Tesla Wall Connector.

The Powerwall 3 comes with a 10-year manufacturer warranty with unlimited charge cycles, but only when installed by a Tesla-approved installer. E-Verve Energy holds full Tesla Certified status, so your warranty is fully protected.

The Tesla Powerwall 3 measures 1,105mm × 609mm × 193mm and weighs 132 kg. It can be floor or wall-mounted, indoors or outdoors, and is rated IP67 — suitable for the UK climate.