Stop paying 30c/kWh to charge your EV when the sun is free
Solar Arbitrage tells you exactly when to charge your EV to maximize solar self-consumption and minimize grid costs. Works with any Australian tariff.
How It Works
Three simple steps to start saving. No hardware changes needed.
Enter Your Setup
Tell us about your solar panels (kW, location) and your EV (battery size, daily driving, charger speed). Takes 30 seconds.
We Crunch the Numbers
Our engine combines your solar forecast, electricity tariff, and EV needs to find the absolute cheapest charging windows each day.
Charge at the Right Time
Get a clear schedule showing when to plug in. Maximize solar, avoid peak rates, and watch your electricity bills drop.
Simple Pricing
The calculator is free forever. Go Pro for daily automation.
Free
- ✓7-day charge schedule
- ✓All Australian tariffs
- ✓Solar generation forecast
- ✓Savings breakdown
Pro
- ✓Everything in Free
- ✓Daily push notifications
- ✓Saved profiles
- ✓Historical savings tracking
- ✓Inverter API integration
Your solar panels are already generating power.
Make sure your EV uses it.
Most EV owners charge at night on peak rates. With solar arbitrage, you shift charging to when your panels are producing - saving hundreds per year.
Try the Free Calculator→