Fronius Wattpilot Installation — Southern Perth
The Fronius Wattpilot is the most recommended EV charger by Australian electricians — rated #1 in a 2025 installer survey — and it earns that position through a feature no other charger offers: automatic switching between single-phase (7.4 kW) and three-phase (22 kW) charging. For homes with three-phase power and an EV that supports three-phase AC charging, the Wattpilot delivers up to three times the charging speed of a standard single-phase unit. Sparky Local installs Fronius Wattpilot across Southern Perth in both the Home (fixed) and Go (portable) variants.
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Key Specs
What the Installation Includes
- Dedicated EV charging circuit from switchboard
- RCBO protection at switchboard
- Weatherproof outdoor mounting and cabling
- Fronius Wattpilot Home installation
- Fronius Solar.web integration and solar charging configuration
- Certificate of Electrical Compliance
Western Australia Requirements
- Three-phase power supply required to access 22 kW charging — most Perth suburban homes are single-phase
- Dedicated circuit required for installation
- Certificate of Electrical Compliance required
Common Questions
Does my home need three-phase power for the Wattpilot?
No — the Wattpilot works on single-phase supply at up to 7.4 kW. Three-phase is required to access the full 22 kW speed. Most Perth residential homes have single-phase supply. If you want 22 kW, a Western Power-notified three-phase upgrade would be required — a significant cost. We assess whether it's worthwhile during quoting.
What's the benefit of auto phase switching?
Some EVs charge more efficiently in single-phase mode at lower power levels (e.g. during solar-excess charging). The Wattpilot automatically switches between phases to optimise charging efficiency — you don't need to manually configure anything based on conditions.
How does the Wattpilot integrate with Fronius solar?
If you have a Fronius inverter, integration is native via Fronius Solar.web — the charger reads your solar production in real-time and adjusts charge rate to maximise solar use. For non-Fronius solar systems, a CT clamp provides the same monitoring capability.
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