evcc-io/evcc

Features

• Hardware Device Integration - Integrates solar inverters, EV chargers, meters, and vehicles into a unified energy management layer.
• Surplus Energy Routing - Routes excess solar or cheap grid energy to chargers, batteries, and smart home devices.
• Energy Management - Coordinates solar inverters, EV chargers, and batteries to optimize home energy consumption and costs.
• EV Charging Control - Manages EV charging sessions including scheduling, load balancing, and phase switching via wallboxes and APIs.
• Energy Optimization Strategies - Configures the optimization strategy, such as cost-optimization, used to generate charging plans.
• Vehicle Management - Manages electric vehicle profiles including naming and state-of-charge limits for charging optimization.
• MQTT Integrations - Synchronizes device states and control commands through an MQTT message broker.
• Message Broker Connectivity - Uses an MQTT broker to synchronize state and commands with home automation platforms.
• Charger Protocol Orchestration - Unifies control of diverse EV chargers using native protocols, OCPP, and EEBus standards.
• Device Attribute Retrievals - Retrieves specific data values, such as power or state of charge, from integrated energy devices.
• Device Value Writing - Sends control values to hardware devices using plugins and data transformation templates.
• Electrical Load Balancing - Distributes available electrical power across multiple chargers and appliances to prevent home grid overloading.
• Electrical Phase Management - Switches between single-phase and three-phase charging and adjusts current to match available surplus power.
• EV Charging Management - Implements real-time modulation of charging current to align power draw with available solar production.
• EV Charging Monitoring - Retrieves vehicle battery capacity and state of charge via manufacturer cloud APIs.
• Grid Flow Monitoring - Monitors power exchange at the central grid connection to track imports and exports.
• Hardware Data Acquisition - Retrieves metrics and status from energy hardware using HTTP, MQTT, and Modbus protocols.
• Home Automation Integrations - Bridges energy data and device controls to Home Assistant via an MQTT broker.
• Load Point Prioritization - Assigns priority levels to load points to decide how available solar power is allocated across devices.
• Total Consumption Limiting - Reduces total power draw across the system to comply with external grid constraints.
• Vehicle Cloud API Integrations - Retrieves battery level and charge status by calling the vehicle manufacturer cloud API.
• Vehicle Telemetry Retrieval - Retrieves battery levels and preconditioning data from various vehicle manufacturer cloud APIs.
• Vehicle-to-Charger Mapping - Links or removes a specific vehicle from a load point to enable tailored charging control.
• MQTT Messaging Integrations - Exposes the energy management state and control interface via MQTT for third-party integration.
• Device Communication Protocols - Communicates with wallboxes and chargers using native protocols to manage electric vehicle charging.
• Protocol-Agnostic Interfaces - Implements communication via Modbus, HTTP, MQTT, and WebSocket to interface with energy hardware.
• Charging Schedule Optimization - Computes charging plans that meet departure targets while minimizing cost using rates and solar forecasts.
• Energy Cost Optimization - Schedules charging and device operation during low-cost or low-carbon grid periods to minimize expenses.
• Energy Flow Visualizations - Tracks and visualizes the real-time movement of energy between production, storage, and consumption.
• Energy Tariff Configurations - Retrieves current energy tariff data to optimize charging based on time-of-use pricing.
• Dynamic Tariff Automation - Schedules charging sessions automatically based on fluctuating electricity prices and carbon intensity.
• Home Battery Integrations - Tracks the state-of-charge and power flow of residential battery storage systems.
• Charging Mode Management - Allows switching load points between different charging modes like immediate, min+green, or off.
• Current Limit Configurations - Provides configuration for minimum and maximum charging current to guarantee vehicle charging speed.
• Phase Switching - Toggles between single-phase and three-phase charging to optimize the use of solar surplus.
• Phase Configurations - Configures the number of phases used by a specific load point for electric vehicle charging.
• Target Charge Level Chargers - Sets target minimum or maximum state-of-charge levels for vehicles to cap battery levels.
• Solar Charging Optimization - Routes surplus solar energy to EV chargers and smart devices by analyzing real-time production and consumption.
• Solar Inverter Integrations - Integrates with photovoltaic solar inverters to track real-time energy production.
• Solar Surplus Charging - Optimizes EV charging by using real-time solar surplus to maximize home energy self-consumption.
• Plugin-Based Device Support - Maps chargers, meters, and vehicles to a common interface using protocol-specific plugins.
• Smart Home Automation - Toggles smart plugs and appliances automatically based on solar energy surplus or electricity costs.
• Home Automation Controller Integrations - Retrieves sensor and switch values from home automation controllers to inform energy logic.
• Data Export - Exports system measurements and vehicle status into structured formats for external use.
• Data Exposure - Exposes internal energy measurements and settings as accessible entities for dashboards.
• System State Snapshots - Returns the complete current state of batteries, grid, and solar production.
• JavaScript Scripting Environments - Provides a JavaScript runtime for rapid prototyping of energy data processing logic.
• Battery Storage Management - Provides REST endpoints to set discharge control, grid charge limits, and state-of-charge thresholds.
• Carbon Intensity Optimization - Optimizes vehicle charging times by targeting periods with the lowest forecast carbon intensity on the grid.
• Charger Power Distribution - Splits available electrical power across several chargers to prevent overloading the home grid connection.
• Smart Home Bridges - Connects energy devices to automation platforms like Home Assistant via an MQTT bridge.
• Demand Response Power Reduction - Reduces charger power consumption on external command to comply with grid requirements.
• Entity-Based Device Control - Manages smart plugs and relays by interacting with entity states in an automation platform.
• Charging Session Histories - Provides detailed logs and statistics of all past charging sessions for user review.
• Charging Session Retrieval - Lists all previous charging and grid sessions for auditing and analysis.
• External Integrations - Imports telemetry and switch data from external automation systems to support non-native hardware.
• Remote Monitoring Applications - Provides a companion application to view system status and control energy management remotely.
• Residential Battery Control - Manages charging and discharging cycles of home battery storage systems to optimize energy availability.
• Residual Power Management - Adjusts the residual power target to maintain a precise balance between solar generation and household consumption.
• Smart Appliance Control - Coordinates the switching of high-power appliances by estimating their load draw for surplus calculations.
• Continuous Load Modulation - Forwards available solar surplus power to controllable electric heaters in real time.
• Publishers - Publishes REST API state data to MQTT topics for real-time system monitoring.
• Battery Operating Modes - Switches home batteries between operational modes like self-consumption, hold, or forced charge.
• Dynamic Go Execution - Executes Go scripts at runtime for type-safe energy calculations and data processing.
• External Script Execution - Runs custom Go, JavaScript, and shell scripts to perform complex calculations and external system integrations.
• Charging Session Identification - Automatically detects connected vehicles and retrieves their battery state to optimize charging sessions.
• Event-Driven Notification Triggers - Routes charging events through a configurable plugin chain to deliver notifications to services like Telegram.
• Electricity Meter Integrations - Reads electrical consumption data from energy meters embedded within EV chargers.
• Price-Driven Load Switching - Automatically toggles smart sockets on or off when electricity prices fall below a defined threshold.
• External Load Coordination - Integrates heat pumps and smart switches to synchronize appliance operation with solar energy availability.
• Gas Meter Integrations - Collects digital consumption data from utility smart meters via local interfaces.
• Charging Cost Optimization - Enforces maximum cost per kilowatt-hour limits to ensure charging occurs using the cheapest available energy.
• Conditional Charging Disablement - Disables charging load points automatically after a delay or when specific power thresholds are exceeded.
• Optimization Parameters - Configures cost limits, feed-in priorities, and battery boost parameters to maximize solar self-consumption.
• Plug & Charge Controllers - Implements ISO 15118-2 to automatically identify vehicles and read battery states upon connection.
• Plug & Charge Protocols - Implements the ISO 15118-2 protocol to automatically identify vehicles and retrieve battery states upon connection.
• Telemetry Exposure - Provides real-time charging measurements and vehicle data as entities for external dashboards.
• Charging Plan Visualizers - Displays static or repeating charging plans for load points without committing them to execution.
• Battery and Vehicle Coordination - Balances energy flow between home battery storage and electric vehicles to optimize consumption.
• Hybrid Inverter Coordination - Coordinates solar generation and battery storage through a single hybrid inverter unit.
• Production Curtailment - Implements power output reduction for solar inverters to meet grid regulatory requirements.
• External Script Execution - Runs external shell commands to read or write data to unsupported hardware devices.
• Appliance Operation Optimization - Optimizes heat pump operation by adjusting modes based on solar surplus, electricity pricing, and grid constraints.
• Real-Time Monitoring Systems - Retrieves real-time status, system logs, and active sessions for operational visibility.
• Modbus Register Pollers - Interacts with Modbus-capable hardware using register addresses for reading and writing data.
• Vehicle Telemetry Integrations - Connects to external services to retrieve vehicle data when manufacturer APIs are unavailable.

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