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Installing since 2010 · 0118 951 4490 · info@spiritenergy.co.uk
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250 (made in house)-1

Tesla Powerwalls installed every year by Spirit Energy

Spirit Energy is a Tesla Premium Partner, and one of the UK's most established Tesla Powerwall 3 installers.

#1 (made in house)-1

Spirit Energy installed the First Powerwall 3 in the UK

In June 2024, Spirit Energy was selected by Tesla to install the first Tesla Powerwall 3 in the UK.

Award

Spirit Energy won the Tesla Excellence Award 2024

Spirit Energy won the 2024 Tesla Excellence award for our industry-leading service and installation quality

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Why did Spirit Energy Install the First Tesla Powerwall 3 in the UK?

Tesla selected Spirit Energy to install the first Tesla Powerwall 3 in the UK because of our commitment to installation excellence, bespoke design work, in-house, industry leading experience, and client satisfaction.

Spirit Energy is one of Tesla's top Premium Partners, and has been installing Tesla Powerwall throughout the South of England since it was launched in 2015. 

In 2021, Spirit Energy won the Tesla Performance Excellence Award, and in 2024 won the Tesla Installation Excellence Award.

Starting from £7750, installed by experts

Get a Tesla Powerwall 3 installed with full power cut protection as standard from £7750

Powerwall 3 DC Expansion Packs starting from £5200

Request a quote

 

Tesla's Excellence Award in 2024

 

 

 

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Follow Sam's Powerwall 3 Installation Step By Step

Why did Sam Choose Tesla Powerwall 3?

Sam was looking for a sleek, industry leading all-in-one battery system that could take three solar DC inputs, backup the house, off-peak charge, and also go outside without diminishing the performance of the battery in the winter months.

Watch us design and install the Tesla Powerwall 3...

Designing Sam's Powerwall 3

Installing Sam's Powerwall 3

Why Choose Tesla Powerwall 3 for your Battery System?

- 13.5 kWh capacity, scalable up to 216 kWh.

- Revolutionary triple-MPPT hybrid inverter.

- Industry leading functionality, including:

Storm Watch
Active Thermal Management
Power cut protection

We have a full knowledge bank which goes into detail on everything you need to know about Powerwall 3.

You can also check out our YouTube channel to see how Powerwall 3 compares to other battery systems.

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FAQ's

The Powerwall 3 has a usable capacity of 13.5 kWh (15 kWh nominal capacity), and can be scaled up to 54 kWh with up to three DC Powerwall 3 expansion packs per unit. You can have up to four Powerwall 3s per electricity supply, giving you 216 kWh of total storage capacity.

Tesla Powerwall 3 provides full power cut protection for a 100 Amp single phase supply.

Currently, in order to install a Tesla Powerwall 3, you also need to install the Tesla Gateway 2 - meaning that power cut protection comes with the Tesla Powerwall 3 as standard.

You can set the percentage of battery capacity to leave in reserve for a power cut in the Tesla app.

 

Yes, Powerwall 3 has a built-in hybrid inverter with a capacity of up to 11.04 kW. The inverter can be set to 3.68, 5, 7, 8, 9, 10, or 11.04 kW, and can be throttled down if you get restricted by the DNO.

The Tesla Powerwall 3 hybrid inverter has three MPPTs. Each MPPT has a voltage range of 60 V to 550 V, allowing for 3 - 12 standard, 460 W solar panels to be connected into each MPPT.

 

Yes, Powerwall 3 is IP67-rated for water and dust resistance. It is also flood-resistant up to 2ft (60 cm) as a result of the laser-welded chassis. 

Tesla Powerwall 3 can be installed indoors or outdoors, and there should be no performance issues in winter due to the industry-leading Active Thermal Management that comes with Powerwall 3.

Active Thermal Management helps to keep the Tesla Powerwall 3's battery cells at optimum temperature to ensure lifespan, and make sure that the battery can be fully charged and discharged no matter the external temperature.

Tesla Powerwall 3 Storm Watch monitors local weather forecasts and charges the battery in advance of predicted storms, ensuring maximum backup capacity during potential power outages.

Tesla Powerwall 3 has a round-trip efficiency of 89% and a solar-to-home efficiency of 97%, making it one of the most efficient battery systems available in the UK market.

 

Tesla Powerwall 3 uses lithium ferro phosphate (LFP) chemistry, known for its long lifecycle, better degradation resistance, and improved sustainability compared to previous lithium-ion chemistries.

Get more storage with Powerwall 3 Expansion Units

What if you want more than 13.5 kWh storage capacity, but don't need to spend on a whole additional Powerwall 3 unit? Well, Tesla has released Powerwall 3 DC Expansion Packs, allowing customers to scale their storage capacity very cost-effectively.

Up to three expansion units can be added to each Powerwall 3, giving you 54 kWh of storage. You can install up to four Powerwall 3 units, allowing the total storage capacity to scale up to 216 kWh.

Starting from £5200 if fitted with a Powerwall 3.

 

 

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Family run, local solar specialists since 2010

Spirit Energy has been designing and installing solar and battery storage systems across the South of England for over 15 years. We pride ourselves on our 100% in-house technical expertise and installation work, as well as our attention to detail, industry-leading design, and post-install support.

When installing solar & battery, it’s crucial to design the right system specification in order to maximise your return. That’s why we provide a free, bespoke design service for every client—and we’re prepared to go back to the drawing board as many times as needed to fine-tune the design and ensure the best system for each home and building.

-Tok Charles, Spirit Energy

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Vishal Giga - Vertical - Spirit Energy - Head of Operations

Vishal Giga
Operations Director

Joined Spirit in 2010

Vishal joined Spirit Energy a few months after Erica and Ian founded the business in 2010 as a project manager, and is now our Operations Director. All of our project managers and installers are in-house, and Vishal oversees them all and is in charge of making sure that every project goes smoothly and is installed on time. Vish has a wealth of experience with both commercial and residential projects, and directly manages every commercial project that we do, including our installations at Philip Dennis Foodservice in April 2024, and Hansgrohe's headquarters in September 2024.

Justin Parsons - Vertical - Spirit Energy - Head of Installations

Justin Parsons
Head of Installations

Joined Spirit in 2010

Justin is the backbone of the company and part of the leadership team. He has overall responsibility for the installers, electrical design and sign off of all systems as well doing a technical and structural survey for every project to ensure we can manage each job perfectly. His devotion and meticulous attention to detail has helped build Spirit into the reputable and trustworthy brand we are today. 

You will most likely meet Justin on your technical & structural survey where he will plan your entire installation and run you through every minute detail. 

"My ultimate goal is to ensure our operations run smoothly, delivering exceptional customer service and top-quality installations to every customer, domestic or commercial."

-Vishal Giga, Operations Director

"I know that the technical & structural survey is a step that other installers don't feel is necessary, but many of Spirit's customers appreciate the chance to talk to the actual installers before the installation date."

-Justin Parsons, Head of Installations

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Some of our Tesla Powerwall 3 Installations

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(Location formerly known as 44 Portman Road, Reading, RG30 1EA)

Spirit Energy is the trading name of Spirit Solar Ltd  ·  UK Company Number 07138647

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