Three Phase EV Charger Installation Adelaide

A 22kW wall charger is a Level 2 charger, meaning it runs on AC power from your switchboard rather than a roadside DC unit. On three phase it can top up a flat battery in a few hours.

That pays off for a household that does long daily distances, or one with two cars taking turns on the same charger. It matters less if the car sits in the driveway for twelve hours every night. A single-phase charger can refill a modest day of driving in that time.

Probably not unless its manual says it accepts three-phase AC at that rate. The charger on the wall only supplies power. The car's onboard charger decides how much of it gets used, and many EVs accept only a fraction of 22kW on AC.

A car limited to a lower AC rate will charge at that lower rate whether the wall unit is rated for 11kW or 22kW. Paying for a bigger charger then buys nothing today, though it can suit a future car.

The switchboard and the incoming supply tell the story, and an electrician reading the board gives the reliable answer. A house in Kent Town, Wayville or North Adelaide may sit behind an older board, so the board is read first, and the same goes for a newer home further out.

If your supply turns out not to suit three-phase charging, the electrician can include any required supply work in the quote.

Three things you can see from the driveway set most of the price: how full the switchboard is, how far it sits from where the car parks, and which charger you pick.

If the board has spare capacity, the job is mostly the charger and a new circuit. If it is full or old, board work comes first.

A garage wall next to the board is a short run. A board on the far side of the house means more cable, more conduit and more labour, plus a neat route that doesn't cross the lawn or driveway.

Charger models differ in features such as scheduling and following solar output, and that shows up in the price.

A 22kW charger pulls a heavy, steady load for hours, far more than a kettle or oven that runs briefly. The house connection and the local network have to carry that load, so a larger charger can need the network operator to assess it, or the supply to be upgraded, before it is switched on. The electrician works out which applies once the supply has been looked at.

Since 1 July 2024, in-scope AC wall chargers installed in South Australia must meet the Technical Regulator's EVSE standard, including demand-response settings. The Certificate of Compliance should list the job as an EV Charger/EVSE install, which is worth keeping for warranty or a future sale.

A three-phase charger can work with solar panels and batteries, but it needs to be set up for them. When charging demand is higher than the surplus solar generation, the difference comes from the grid or the battery, depending on your setup, unless the charger can throttle itself.

A solar-aware charger varies its output with what the roof is producing. Without that, a fast charger can drain a home battery in a short time. The electrician matches the charger's settings to your inverter and battery.

A charger you already own can be judged against your supply before it is fitted.

Not sure your car can use three-phase? Request an install quote and type in your car model, where it parks and whether solar is on the roof. That shows which charger rating is worth paying for.