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evcc
Self-hostedUse solar and cheaper power across charger brands
evcc adjusts charging to solar surplus, electricity prices and departure targets, and records charging energy and cost. It reads your charger and energy meters through supported local HTTP, Modbus, MQTT or OCPP connections, or a maker's cloud where that is the available route.
Run it on an always-on computer and connect a compatible charger; solar control also needs household power measurements. Some charger drivers require a paid evcc sponsor token, and sponsor-only components are excluded from the repository's MIT licence.
A controllable charger can charge an EV or plug-in hybrid without a car-cloud account. The Tesla Gen 3 Wall Connector route is different: it reads the charger locally but sends controls to a supported Tesla car, with possible Fleet API and command-proxy charges.
- Charge from your own solar
- Charge when electricity is cheapest
- Control charging without the maker cloud
- Track charging energy and cost
- Use charging in home automations
- Departure charging plans
- Multi-charger load management
- Charging-session CSV export
- MCP status and charging controls
- Optional openWB series2 software replacement
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