Combining EV charging and home battery in Home Assistant

Smart interplay between EV charging and home battery

Leafy Energy is ideal to demo the interaction between EV charging and a home battery. Home Assistant is the perfect canvas to visualise this.

Conceptual logic

• Charge the home battery when prices are very low.
• Prefer charging the EV from the battery when prices are high.
• Limit combined power draw to protect the main fuse.

Example automation ideas

• Automations that reduce EV charge power when the home battery is almost empty.
• An automation that “reserves” battery capacity for the morning peak hours.

In a Leafy Energy demo you can show dashboards with graphs where battery, price and charging speed clearly influence each other.