Cumulative Charging Cost
Hover to inspect cost and see where the session crosses TOU pricing windows.
2. Charging Setup
Adjust the sliders and rates to see how the forecast changes.
This utility preset manages its own schedule shape. Switch to Custom if you want to enter a simplified manual tariff.
Use `Custom` to enter your own utility tariff.
This version can now model several time-of-use schedules, but many utility details like holidays, fixed charges, and provider-specific exceptions are still simplified.
3. Forecast
Instantly updates as you change vehicle, state of charge, or utility rates. See assumptions at bottom.
Estimate only
This calculator is a useful planning tool, but it may not fully match your real bill. Utility tariffs, vehicle charging behavior, and charging losses are simplified in this version.
Cost by Possible Start Hour
Tap any bar to move the planned charge session.
Utility Price Schedule
Rates rise during the selected peak window.