Put your solar surplus to work — automatically
Hanergy is a Home Assistant add-on that intelligently distributes your excess solar energy across EV chargers, heat pumps, pool pumps, and batteries using a priority-cascade approach.
Why choose Hanergy?
Simple setup, real-time control, and no cloud dependency for your energy data.
10-Second Evaluation Cycle
Hanergy evaluates your solar surplus every 10 seconds and adjusts device allocation instantly. No waiting, no lag.
Priority Cascade
Define which devices get power first. Hanergy respects your priorities and allocates surplus energy accordingly.
No Forecasts Needed
Unlike other solutions, Hanergy works with real-time data. No weather APIs, no prediction models — just your actual production.
EV Charger Support
Automatically ramp your EV charger up and down based on available surplus. Supports OCPP and common charger integrations.
Heat Pump Integration
Use surplus energy to pre-heat water or your home. Hanergy works with SG-Ready heat pumps and custom setups.
Battery Management
Control when your battery charges from solar vs. grid. Maximize self-consumption and minimize costs.
Built for Home Assistant
Hanergy runs as a native Home Assistant add-on. Your energy data stays local. Configuration lives in your Home Assistant dashboard. No external cloud required for operation.
10s
Evaluation cycle
100%
Local processing
0
Cloud dependencies
Start optimizing your solar energy today
Install Hanergy in minutes. Free tier includes 2 devices — no credit card required.