Charging an EV at home in Australia: the only guide you need

Roughly four out of five EV charging sessions happen at home, and home charging is what makes EV running costs the strongest selling point of the technology. But there’s a gap between “plug it in” and “do it right” — and getting it wrong can cost real money.

Here’s how to do it properly in 2026.

The three ways to charge at home

You have three practical options, in increasing order of cost and capability:

1. Standard 10A wall socket — the trickle charger

Every EV ships with a portable charging cable that plugs into a normal 10A wall socket and delivers around 1.8–2 kW continuous. That’s enough to add roughly 10 km of range per hour.

For a typical Australian commute (30–50 km/day), 10A trickle charging overnight is genuinely workable. The hardware is free. It’s why people who think “I’ll need to install something special” sometimes don’t.

The catch: 10A general-purpose outlets aren’t designed for continuous 8-hour high-current loads. If your house wiring is older, charging like this nightly can warm the socket. Have a licensed electrician inspect the circuit you intend to use before relying on it long-term.

2. 15A or 20A outlet — the cheap upgrade

A 15A outlet (which looks like a 10A but with a bigger earth pin) lets you draw closer to 3.4 kW — roughly 18 km of range per hour.

The cost depends on what’s behind the wall. If you’ve got a spare circuit in the meter box and a short cable run, installation is usually $150–$400. If you need a brand-new dedicated circuit, expect $850–$1,400. Electrician hourly rates in 2026 sit around $85–$130/hour.

This is the sweet spot for most single-car households. You get 130+ km of range overnight, you don’t need a $2,000+ wall box, and the hardware is universal.

3. Dedicated 7 kW or 22 kW wall charger — the full setup

A dedicated wall box (Wallbox, Ocular, EO, ABB, etc.) typically delivers 7 kW on single-phase — that’s around 35–40 km of range per hour. Three-phase units can deliver up to 22 kW (110+ km/hour) but most Australian EVs only accept 7–11 kW from AC anyway, so the extra hardware capacity only helps if your specific car supports it.

Expect $1,200–$2,500 fully installed for a single-phase 7 kW unit including hardware and a typical install — though long cable runs from the switchboard, switchboard upgrades or three-phase units push the number higher.

This is what you want if:

• You have two EVs in the household.
• You drive a lot and need quick top-ups between trips.
• You want solar-aware charging that only draws when your panels are producing surplus.
• You’re chasing the most efficient electricity tariff with timed charging.

What to ask your electrician

Before any installation, ask the electrician:

• What’s the spare capacity in my main switchboard? EV charging is a continuous load, and many Australian homes are at or near switchboard capacity.
• Do I need a load management device? Some homes can’t run an EV charger plus the air conditioner plus the oven simultaneously. A dynamic load balancer (or a slower charger) solves this.
• What’s the route for the cable? External-mounted chargers are common, but the cable run between the switchboard and the unit can be 60–80% of the install cost.
• Is the install permitted under the Electrical Safety Act in my state? Most states require certification.

The tariff that makes EV charging genuinely cheap

The single most important decision about home EV charging isn’t the hardware — it’s the electricity tariff.

Many electricity retailers in Australia now offer dedicated “EV plans” or super-off-peak windows between roughly 11pm and 6am. Off-peak rates in 2026 commonly sit in the 8–22 cents/kWh range depending on retailer, region and plan structure. AGL’s Night Saver EV plan, for example, drops to around 8c/kWh between midnight and 6am. Compared to standard residential rates of 28–40c/kWh, that changes the maths dramatically.

At 12c/kWh overnight, charging a 60 kWh battery from 20% to 80% costs about $4.30 and adds roughly 250 km of range. That’s the equivalent of refuelling a petrol car at about 35c per litre.

Two practical things:

1. Set your car (or charger) to start at the off-peak window automatically.
2. Make sure your meter is on a time-of-use tariff. Some legacy single-rate meters can’t support it.

Solar charging — should you bother?

If you have rooftop solar, the cheapest electricity you can buy is the electricity you produce yourself. A typical 6.6 kW solar system in Australia produces enough surplus during daylight hours to charge an EV at no marginal cost.

But this only works if you’re home during the day or your charger supports solar-following modes that throttle charging up and down to match solar production.

For households where the EV leaves at 8am and returns at 6pm, solar charging is mostly theoretical unless you have a battery in the house. For households with one work-from-home occupant, it’s transformative.

The most common mistake

The most common home-charging mistake is over-specifying the hardware. Buyers install 22 kW three-phase chargers because they’re future-proofing, then discover their car only accepts 7 or 11 kW AC, and they could have got a much cheaper unit.

Start by asking how much driving you actually do. If it’s under 50 km/day, a 10A trickle plug is likely all you need. Most EV buyers over-charge.

Quick reference

Setup	Speed	Cost	Best for
10A wall socket	~10 km/hr	$0 hardware	Single car, <50 km/day
15A outlet	~18 km/hr	$150–$1,400 installed	Most single-car households
7 kW wall box	~35–40 km/hr	$1,200–$2,500 installed	Two EVs, solar, high-km
22 kW three-phase	~50–110 km/hr (car-limited)	$2,500+ installed	Three-phase homes, multi-EV

What to confirm before signing

Before signing off any home-charging install:

1. Confirm your home insurance covers a permanently installed EV charger.
2. Confirm your retailer’s off-peak EV tariff is available where you live (it varies by network).
3. If installing solar at the same time, ask the installer to size the inverter with EV charging in mind.

Get those three right and home EV charging is genuinely cheaper, easier and more pleasant than petrol refuelling. Get them wrong and you’ll spend the next three years frustrated.