Charging Your Kia EV9 at Home in Perth
The Kia EV9 is more than just Australia's flagship 7-seater electric SUV — it's the only electric vehicle in Australia that commercially supports vehicle-to-home (V2H) power as of 2026. Paired with the Wallbox Quasar 2 charger, the EV9's 88.1 kWh battery can power your home during blackouts or discharge during peak electricity tariffs, effectively functioning as a mobile home battery. For standard home charging, the EV9 supports up to 11 kW AC (three-phase) via its Type 2 connector. Even on single-phase 7.4 kW, the EV9 can add around 45 km of range per hour — more than enough for Perth daily driving with a standard overnight charge. Sparky Local installs both standard home charging setups and V2H systems for Kia EV9 owners across Southern Perth.
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Key Specs
What the Installation Includes
- Switchboard assessment and phase supply check
- Dedicated EV circuit (32A standard, or bidirectional circuit for V2H)
- RCBO protection at switchboard
- Wallbox installation — standard wallbox or Wallbox Quasar 2 (V2H)
- Western Power notification (required for V2H bidirectional systems)
- App commissioning and V2H configuration (if applicable)
- Certificate of Electrical Compliance
Western Australia Requirements
- Dedicated EV circuit required
- Three-phase supply required for 11 kW charging — most Perth homes are single-phase
- V2H systems require Western Power notification before activation
- Certificate of Electrical Compliance required in WA
- Synergy metering assessment for V2H discharge to grid (if applicable)
Common Questions
Is the Kia EV9 really the only V2H vehicle in Australia?
Yes, as of 2026, the Kia EV9 paired with the Wallbox Quasar 2 is the only commercially available vehicle-to-home combination in Australia. Other vehicles including the Hyundai Ioniq 5, Kia EV5, and BYD models are in the AGL V2G trial, but this is a managed energy retailer trial, not a product available to all residential customers.
How long could my EV9 power my home during a blackout?
A typical Perth home uses around 15–25 kWh per day. The EV9's 88.1 kWh Long Range battery could theoretically power your home for 3–5 days in a blackout, assuming no solar recharging. In practice, you'd likely set a minimum state-of-charge reserve to ensure you can still drive the car when power returns.
Do I need a separate home battery if I have an EV9 with V2H?
Not necessarily. The EV9's battery capacity significantly exceeds most dedicated home battery systems. If your primary goal is blackout backup and grid arbitrage, V2H via the EV9 may remove the need for a separate battery entirely — and you're not paying for a second battery; the car serves both purposes.
Can I charge the EV9 from solar and then use it to power the house at night?
Yes. With V2H configured, you can charge the EV9 from excess solar during the day and discharge to power the house in the evening when grid tariffs are higher. This is one of the most compelling use cases for the EV9 + Wallbox Quasar 2 combination in Perth, where solar generation is excellent.
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