Solar, batteries and home energy integration
Charging from your own generation.
You'll learn
- Explain solar, batteries and home energy integration clearly and accurately
- Read the numbers that define the behaviour
- Apply the idea to a real charging session
Overview
Solar surplus is the cheapest electricity you will ever put in a car — but it arrives in unpredictable, variable amounts.
In depth
- 1Measure export
A CT clamp on the incoming supply tells the charger how much surplus exists right now.
- 2Modulate
The charger varies current between roughly 6 A and 32 A to track the surplus.
- 3Blend
Optional grid top-up guarantees a minimum charge by morning.
- Export-aware charger with a current transformer
- Minimum charge level guaranteed before departure
- Understanding of your export tariff — sometimes exporting pays better
Key takeaways
Remember this
- Solar charging tracks surplus in real time.
- A 6 A minimum limits how little you can draw.
- Compare self-consumption against export payments.
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