Changelog

New updates and improvements

January 6, 2026

Firmware versie 0.0.192

PV Curtailment Optimization

Grid export limit is now implemented directly in PV inverter setpoint calculations.
Improved curtailment handling for edge cases:
- negative injection price, positive consumption price
- negative injection price and negative consumption price

Battery Scheduling

Added a new “Charge at max power” action type to the battery schedule.
Introduced an explicit action to charge the battery at maximum available power.
compensate_pv_surplus is now actively scheduled instead of defaulting to idle behavior.

Control Logic Improvements

Added a dead zone to self-supply control to prevent unnecessary oscillations.
Improved trading logic to prevent unintended battery charging from the grid when trading is enabled.

Controller Debugger UI – Enhancements

Activity Logs

Important system events are now logged locally on the controller, improving diagnostics and troubleshooting.

Extended Controller Dashboard

The dashboard now includes additional system-level information:

System information
Memory usage
Storage status
Network details
Complete list of incidents

Configuration Tab

API authentication token is now displayed in a readable format for secure server communication.

Forecast Page Improvements

Added date filtering (from–until).
Improved graph layout and readability.
Updated styling of statistics summary blocks.

Controllers Overview

Added a new controller type: BatteryScheduleController.

Forecast API & Data Processing

Forecast API Update

Forecast API migrated from v1 to v2.
Power values are now returned in Watts (W) instead of Watt-hours (Wh).

Internal Data Handling

All forecast data is automatically converted from W to kW for processing and visualization, including:
- Consumption
- Total PV generation
- PV generation per inverter

Debug Enhancements

Debug server now exposes historical forecast data up to 48 hours in the past.
Forecast visualizations in the debugger have been improved for clarity and usability.

New Features

Provisioning flow added for new EMS controllers.
Sites dashboard extended with search and filter functionality.
Support added for Schneider PAS600.
Gateway device information added to the device communication overview.
Option added to enable or disable advanced logging to reduce data usage.
Project settings now display controller information and include an EMS controller update button.
Project name, time zone, and project ID are now included in controller configuration.

Improvements & Fixes

ESS, PV & Data Accuracy

Corrected consumption and production calculations in the ESS graph.
PV dashboard data corrected.
Battery performance email values corrected.
Peak power information removed from battery performance emails.

UI & UX

Device override interface improved.
Tooltip corrected in the projects table when a controller is offline.
Changelog table updated.
Improved translations of algorithms.

Incidents & Monitoring

Added new incident type: “unknown” for unidentified keys.
Improved handling of unknown incident types.
Removed duplicate incident detection.
Chat notification added for fire alarm incidents.
Additional checks added to hide battery temperature or DC breaker statistics when not available.

User Permissions & Visibility

Both customers and installers now have access to the pro dashboards.
Manual override is hidden for non-connectable inverters.
Pro dashboard variables extended with project_id.

Stability & Reliability

Various internal optimizations and stability improvements across the system.

November 15, 2025

Firmware Version 0.0.191

This single update consolidates all functional, structural, and integration changes implemented across all intermediate versions.

Device, Adapter and Integration Support

A major expansion of supported hardware.

Newly Supported Devices

Huawei Smartlogger
SMA inverters (Sunny Tripower, Sunny Boy and related models)
Fronius inverters
ABB inverters
Goodwe inverters
Sungrow inverters
Carlo Gavazzi EM24 energy meter
Fluvius AMR digital meter
Virtual PV adapter

PCS, Battery and BMS Improvements

New adapters for:
- Liquid-cooled BMS
- EP Energy EPES233 PCS
- SCU BRES BMS and PCS
- EnjoyPower PCS
- Poweroad PMS PCS
Corrected register mappings for all PCS types
Added DC-side max charge and discharge current readouts
Added battery production and consumption channels
Added calibration command and calibration state handling
Added derating coefficient support
Added unmanaged device mode for read-only operation
Improved device health evaluation using severity classification

Metering Enhancements

Added auxiliary energy meters for PV and PCS
Corrected inverted metering direction
Improved active-power accuracy
Added production capacity configuration

Trading, Forecasting and Imbalance Logic

Trevi

Full implementation of Trevi battery trading provider
Added Trevi imbalance signal support
Added persistent trading state management
Improved trading signal mapping and decision logic
Added calibration lockout to prevent usage during automatic calibration
Integrated Trevi metadata and measurements into process image logging

Yuso

Full Yuso optimization integration
Added Yuso imbalance signal support
Fixed maxSiteOfftakeActivePower reporting
Added logic to prevent charging from grid when operating in Yuso local mode
Updated standby behaviour and local-mode optimizations

Forecasting

Added complete forecast provider (API and static fallback mode)
Added retry logic for forecast updates
Fixed interval clearing issues
Improved W→kW conversion accuracy
Added fallback to self-supply when forecast data is insufficient
Improved alignment of forecast data with 15-minute intervals

Algorithms, Control and Optimization

Cost Optimization

Fully rewritten charging and discharging algorithm
Proportional power distribution based on energy headroom
Battery grouping logic based on pricing differences
Improved PV buffering and oversupply handling
Improved consumption reconstruction and calculation logic
Enhanced load scheduling with minimum runtime rules

Oscillation Prevention

Redesigned oscillation prevention controller
Per-device measurement latency handling
Controlled minTimeBetweenChanges
Decision history tracking with persistent storage
Integrated into main control cycle
Removed legacy deadzone controller

Grid Logic

Added grid limit exceeded incident
Added grid power feedback correction logic
Improved grid limit controller integration
Corrected grid export calculations

Self-Supply Logic

Migrated to algorithm-based architecture
Updated fallback behaviour using forecast data
Improved PV curtailment handling

Monitoring, Debugging and Process Image

Debugger Enhancements

Added full control decision viewer
Added forecast inspector
Added device channel viewer
Added project information (name, ID, URL)
Added local and public IP display
Added modbus REPL for device testing
Added connectivity test command
Added calibration status preview
Added raw configuration view
Improved stale data detection and tooltips

Logging and Process Image

Added logging of:
- Battery power
- Grid power
- PV production
- Process image snapshots
- Trading provider states
- Control decisions
- Forecast data
Enabled structured cloning of controller calls
Added per-cycle logging of control cycles

Simulator and Development Tools

Simulator

Full energy flow simulator added
Timeline representation of consumption, PV and battery behaviour
Integration with forecast data
Simulation of cost with and without optimization
Multiple bug fixes related to data models, paths and build process
Major redesign of simulation data structures

Mockbus

Added editable registers
Simplified simulation behaviour

Developer Tooling

Added build pipeline for both bytecode and bundled builds
Added prerelease checking
Added Docker mount improvements
Added health monitor to terminate unhealthy processes
Added extended developer documentation

Configuration and User Interface

Configuration Improvements

Added import/export of JSON configuration
Added override file support
Improved parsing of optional arrays and nested config
Added flags such as canBeUsedForEnergyTrading
Updated battery settings (power limits, initial SoC)
Improved SoC calculation and distribution logic
Differentiated system configuration from process image

UI and Visualization

Updated graphs to step-type with improved clarity
Added horizontal reference lines
Updated PV disabled state visibility
Added scenario selection support
Improved 24-hour views

Refactoring and Structural Improvements

Reorganized algorithms and controllers into shared modules
Removed unused controllers and dead code
Simplified utility functions and naming
Unified control logic for battery power distribution
Cleaned formatting across major code sections
Consolidated duplicated logic
Improved fallback behaviour and error handling

Bug Fixes

Key issues resolved:

Negative PV production values
Incorrect unit conversions
Unhealthy device handling bugs
Forecast data mapping errors
PMS and BMS register mapping issues
Incorrect energy meter inversion
Forecast and simulation alignment issues
Influx logging inconsistencies
Build failures and bundling issues
Misreported power in Yuso integrations
Oscillation prevention deadlocks
Incorrect PV limit behaviour
Missing trading state persistence

Full Consolidated Changelog (0.118 → 0.166)