A complete Tesla Powerwall system requires the following key components:   •      Tesla Powerwall Battery Unit — the main energy storage unit (Powerwall 3). Each unit stores 13.5 kWh of usable energy. •      Tesla Gateway — A Gateway 3. The Gateway manages the grid connection, detects power outages, and automatically switches your home to backup power. •      Wall Mounting Bracket — included with the Powerwall 3 for secure wall or floor mounting. •      Electrical Wiring & Conduit — supplied and installed by us to connect the system to your consumer unit/distribution board, in compliance with local wiring regulations. •      Internet Connection — required for the Tesla app, remote monitoring, firmware updates, and to maintain the full 10-year warranty. •      Tesla App — used to monitor energy usage and manage your system from any mobile device. https://static.wixstatic.com/media/d42bca_e79bc51f0d174f11aeb9ef086888ee5c~mv2.jpg If you are integrating with solar panels, the Powerwall 3 includes a built-in hybrid inverter, meaning no separate solar inverter is required.

https://static.wixstatic.com/media/d42bca_b9828efb5ef547a4b38c5cdcb413295d~mv2.png The Gateway is wall-mounted units rated for both indoor and outdoor installation (NEMA 3R / IP44 enclosure rating). They can operate in temperatures ranging from −20°C to 50°C.

The Tesla Gateway is the brain of your Powerwall 3 system. It sits between your home, the grid, and your Powerwall battery, and is responsible for managing how energy flows between all three. Without it, the Powerwall cannot operate safely or intelligently.   Here is what the Gateway does:   •      Grid monitoring: The Gateway continuously monitors the electrical grid. If it detects a power cut, it disconnects your home from the grid within milliseconds and switches seamlessly to backup power from your Powerwall — often so fast you won’t notice the lights flicker. •      Safe islanding: When the grid goes down, the Gateway creates an “island” — an isolated circuit that powers your home from the Powerwall alone. This is a critical safety feature, as it prevents power from feeding back into the grid and putting engineers at risk. •      Energy management: The Gateway intelligently controls when the Powerwall charges and discharges, optimising for self-consumption, backup protection, or time-of-use tariff savings — depending on the mode you select in the Tesla app. •      Solar integration: When solar panels are part of the system, the Gateway coordinates the flow of energy between solar generation, the battery, your home’s consumption, and the grid. •      App connectivity: The Gateway connects to the internet and communicates with the Tesla app, giving you real-time visibility of your energy usage, solar generation, battery charge level, and grid status — all from your phone. •      Firmware updates: The Gateway receives over-the-air software updates from Tesla, keeping your system up to date with the latest features and improvements.

Space requirements will vary depending on where you plan to install your Powerwall. Below are the key clearance and room-size requirements:   Powerwall Unit Clearances: •      Left side clearance: A minimum of 200 mm (~8 inches) of working space is required to the left of the unit for wiring access. •      Top and sides: Adequate clearance for airflow must be maintained. The Powerwall includes a fan and pump that require ventilation around the unit. •      Multiple Powerwall units can be installed side-by-side, provided clearance requirements are met to allow sufficient airflow around each unit.   Indoor Installation – Minimum Room Size: •      If installing Powerwall 3 indoors, the room must measure at least 4 ft × 4 ft × 8 ft (1.2 m × 1.2 m × 2.4 m) — or equivalent volume — per UL 9540 and UL 9540A fire safety standards. •      This minimum room size applies regardless of the total number of Powerwall units in the system.   Gateway Clearance: •      The Gateway is wall-mounted and requires sufficient space around it for wiring connections and periodic access. •      It can be installed either indoors or outdoors and does not need to be physically adjacent to the Powerwall — we will plan the cable run between components.   Tip: Common installation locations include a garage, utility room, or on an exterior wall. The Powerwall can be wall-mounted or floor-mounted, offering flexible placement options for most home types.

No — solar panels are not required. The Powerwall can be charged directly from the grid, allowing you to store cheaper off-peak electricity (for example, overnight on an economy tariff) and use it during peak hours to reduce energy bills. Of course, pairing a Powerwall with solar panels maximises your energy independence and long-term savings.

A standard installation typically takes between 8 and 12 hours. We will conduct a site survey beforehand to plan the mounting location, cable routes, and any necessary upgrades to your consumer unit.   Important: Tesla Powerwall must be installed by a Tesla Certified Installer — and the good news is, we are one. Our electricians have completed and passed Tesla's official training programme, so you can be confident your installation will be carried out to the highest standard. Installation by an uncertified person will void your warranty, so always ensure you use a certified installer like us.