What does smart EV charging save on Octopus Agile?

A backtest on real half-hourly Agile prices for August 2026 (London, region C). It compares charging the moment the car is plugged in with charging in the cheapest half-hours before it needs to be ready, and shows the difference as a bill saving.

Settings

Charger
1 to 60 kWh, to 0.1 kWh.

Results

Cost if charged on plug-in
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Cost with smart charging
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Bill saving
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Carbon, charged on plug-in
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Carbon, smart charging
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Prices over 24 hours from plug-in