evcc

About

evcc is a private headquartered in Bersenbrück, Germany with approximately 1-10 employees specializing in Solar, Energy Storage.

evcc is an open-source software platform that enables intelligent charging of electric vehicles using self-generated solar power. The system integrates and controls multiple devices including EV chargers, heat pumps, home batteries, and energy monitoring systems from any manufacturer. Key features include automatic solar surplus charging, optimization of battery and EV charging, heat pump activation during favorable time periods, support for spot price tariffs, grid operator signal compliance, and multi-charger load distribution. The platform runs on users' own hardware, maintains data privacy, and operates transparently without corporate funding. Development is community-funded and supported by an active user base with over 13,500 participating sponsors.