Gamify your bills: automating your charger around Perth's power price swings
You used to plan the week around cheap Tuesday fuel. Now you can teach the wall to do it for you, and never pay a peak kilowatt hour again.
Perth drivers spent decades learning the fuel cycle. Tuesday cheap, Thursday spike, weekend punishment. That instinct transfers well to electricity, except the automation actually does the work for you.
The three windows that matter
- Super off peak, 11pm to 7am: cheapest grid power in Perth. Set the car to only charge here.
- Solar window, 10am to 3pm: free power from your own roof. Set the charger to eco mode so it only pulls surplus.
- Peak, 3pm to 9pm: never charge here. Ever.
How the apps handle it
myenergi's Zappi app has a Boost Timer that lets you set the exact hours the car is allowed to pull grid power. Set it to 11pm to 7am and forget about it.
The Wattpilot from Fronius links to your inverter and switches modes automatically based on whether the sun is producing. Tesla Wall Connector inherits the schedule you set inside the Tesla app under Charging.
The setup takes about ten minutes on the day of install and never needs to be touched again unless you go on holiday.
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