Home EV charging in WA: everything you need to know

EV sales in WA are climbing fast. If you've bought one (or you're about to), a home charger can pay for itself quickly for solar owners who shift most charging into surplus generation. No more public-charger queues, and your running costs drop to a fraction of what you'd pay at a public station.

Why charge at home?

Home charging beats public charging on almost every measure:

Convenience: wake up to a full battery every morning
Cost: home electricity is cheaper than a public charger
Time: charge overnight while you sleep
Solar integration: charge from your own surplus solar for about 2c/kWh — the export credit you forgo, far below the grid rate

The cost comparison

| Charging Location | Cost per kWh | Cost per 100km | |-------------------|--------------|----------------| | Home (standard A1 rate) | $0.32 | $5.76 | | Home (EV Add-On overnight) | $0.19 | $3.42 | | Home (surplus solar)* | ~$0.02 | ~$0.36 | | Public AC charger | $0.45 | $8.10 | | Public DC fast charger | $0.60+ | $10.80+ |

Based on average EV consumption of 18 kWh per 100km. Home rates use Synergy's A1 flat rate (32.37c/kWh, rising to 33.26c/kWh from 1 July 2026) and the EV Add-On overnight rate (19.38c/kWh). The "surplus solar" row isn't truly free — it reflects the ~2c/kWh DEBS export credit you forgo by self-consuming instead of exporting.

Understanding charging levels

Level 1: standard power point (2.3 kW)

What it is: your regular household outlet
Speed: 10-15 km range per hour
Best for: PHEVs, occasional short-range EVs
Cost: no hardware cost (uses an existing power point)

Level 2: dedicated EV charger (7-22 kW)

What it is: a purpose-built wall-mounted charger
Speed: 40-120 km range per hour
Best for: most EV owners
Cost: $1,500 - $3,500 installed

Level 3: DC fast charging (50 kW+)

What it is: commercial rapid chargers
Speed: 200-500 km range per hour
Best for: public charging, road trips
Cost: not suitable for home installation

Recommended home EV chargers

Zappi by myenergi — best for solar homes

Power: 7 kW or 22 kW
Features: solar integration, load balancing
Smart app: yes, full-featured
Price: $1,800 - $2,500 + installation
Best for: solar owners and smart-home enthusiasts

Tesla Wall Connector — sleek pick for Tesla owners

Power: up to 22 kW (11 kW typical in AU)
Features: Tesla integration, power sharing
Smart app: yes, via the Tesla app
Price: $1,100 + installation
Best for: Tesla owners who want clean aesthetics

Fronius Wattpilot — pairs with Fronius solar

Power: 7.4 kW or 22 kW
Features: solar boost, RFID, scheduling
Smart app: yes, Solar.web integration
Price: $1,500 - $2,200 + installation
Best for: Fronius solar-system owners

EVBox Elvi — premium European build

Power: 7.4 kW or 22 kW
Features: smart scheduling, OCPP compatible
Smart app: yes, full-featured
Price: $1,800 - $2,500 + installation
Best for: those who want a premium build

Comparison table

| Charger | Power | Solar Smart | Price Range | Installation | |---------|-------|-------------|-------------|--------------| | Zappi | 7-22kW | Excellent | $1,800-2,500 | $500-1,500 | | Tesla | Up to 22kW | Good | $1,100 | $500-1,200 | | Fronius | 7.4-22kW | Excellent | $1,500-2,200 | $500-1,500 | | EVBox Elvi | 7.4-22kW | Good | $1,800-2,500 | $500-1,500 |

Synergy's electric vehicle tariff explained

Synergy offers an EV Add-On plan with a cheaper overnight rate. For overnight charging it works out at around 40% less per kWh than the A1 flat rate.

How it works

Time-of-use pricing, with the cheapest window overnight
Overnight (11pm-6am): around 19.4c/kWh — this is when you charge the car
Midday super off-peak (9am-3pm): around 8.6c/kWh — handy if you can charge from the grid in the middle of the day
Peak (3pm-9pm): around 53.8c/kWh — the window to avoid

Who should use it?

The EV tariff suits you if:

You can charge overnight (most EV owners can)
You have a smart charger with scheduling
Your general usage doesn't climb during the peak window

Requirements

Smart meter installation (free from Synergy)
A compatible EV charger with scheduling
At least one registered electric vehicle

Solar + EV charging

Solar and EV charging together is where the real savings stack up.

The numbers

Average EV annual distance: 15,000 km
Energy required: 2,700 kWh
Cost on the A1 flat rate: about $864/year
Cost on the EV Add-On overnight rate: about $513/year
Cost with surplus solar: roughly $50-150/year (the export credit you forgo, plus grid top-ups when solar is short)

Smart solar charging

Modern EV chargers like the Zappi can automatically:

Detect surplus solar generation
Adjust charging speed to match available solar
Switch to grid power when clouds pass
Resume solar charging when the sun returns

That means most of your driving runs on your own rooftop solar — charged for about 2c/kWh (the export credit you forgo), not the grid rate.

Installation requirements

Electrical considerations

Before installing a home charger, think about a few things.

Single-phase vs three-phase

| Connection | Max Charger Speed | Notes | |------------|-------------------|-------| | Single-phase | 7.4kW | Most WA homes | | Three-phase | 22kW | Faster charging, requires upgrade |

Most WA homes have single-phase power, which supports chargers up to 7.4 kW — enough to fully charge most EVs overnight.

Switchboard capacity

Your electrician will assess:

Available capacity on your switchboard
Whether any upgrades are needed
Circuit-breaker requirements
Cable runs to the charging location

Ideal charger placement

A few factors to weigh:

Proximity to switchboard: shorter cable runs keep the cost down
Vehicle parking position: easy access to the charge port
Weather protection: undercover locations are best
Future needs: will you add a second EV?

Installation process

Timeline

Site assessment (1-2 days): electrician visits and provides a quote
Order and permit (1-2 weeks): charger ordered, permit if required
Installation (half day): charger mounted and wired
Testing and handover (1 hour): system checked, app set up

Typical costs

| Component | Cost Range | |-----------|------------| | EV charger unit | $1,100 - $2,500 | | Installation (standard) | $500 - $1,000 | | Installation (complex) | $1,000 - $2,000 | | Switchboard upgrade (if needed) | $500 - $2,000 | | Total typical | $2,000 - $4,500 |

Common questions

Can I use a regular power point?

Yes, but it's not ideal for daily use:

Very slow (10-15 km range per hour)
May overload older circuits
Not designed for sustained high loads
No smart features or scheduling

Do I need a permit?

In most WA cases, no permit is required for:

Chargers up to 32A on existing circuits
Standard residential installations

Your electrician will advise if a permit is needed.

Will it increase my electricity bill?

Your bill will go up, but you come out ahead overall:

EV charging replaces petrol costs
A typical EV costs $800-1,200/year to charge
A typical petrol car costs $2,500-4,000/year to run
Net saving: roughly $1,500-3,000 a year (illustrative — your own figure depends on your tariff, solar, and driving)

Can I charge in the rain?

Yes. All certified EV chargers are:

Rated for outdoor use (IP65 or better)
Designed with weather sealing
Safe in all Australian conditions

Getting started

Here's what to do:

Work out your needs: single or three-phase? Smart features?
Get quotes: compare at least three installers
Check rebates: some states offer EV-charger incentives
Book installation: choose a licensed electrician
Set up smart features: schedule charging, switch on solar integration

Get free quotes from trusted EV-charger installers in Perth, or use our Savings Calculator to see how much you could save with an EV.

Last updated: January 2026. Prices and tariffs are indicative and subject to change. Always verify current rates with Synergy.

Compare EV chargers for your home → Browse specs, prices, and smart features from the top brands available in Perth.