Battery storage
Tesla Powerwall 3
13.5 kWh of storage with the solar inverter built in, 11.5 kW of continuous power and whole-home backup. The most capable single-unit battery we install.
Specification
The essentials
- Usable capacity
- 13.5 kWh
- Continuous power
- 11.5 kW
- Solar inverter
- Integrated: up to 20 kW DC input
- Backup
- Whole-home capable with Backup Gateway
- Warranty
- 10 years
- Installed price
- £8,000 – £9,500, zero VAT
Illustrative only. Finance subject to status and credit checks.
Best for
Who Powerwall 3 suits
New solar installs
The integrated inverter means fewer components, less conversion loss and a tidier install.
High-demand homes
11.5 kW continuous output comfortably runs a heat pump, an EV charger and the rest of the house.
Backup priority
With a Backup Gateway it can carry the whole home through an outage, switching over seamlessly.
FAQs
Powerwall 3 questions
Free home survey
Get your free, no-obligation quote today
Tell us where you are and what you're thinking about. We'll come back with straight answers, real figures and no pressure.