---
title: Release Notes
slug: help-center/release-notes
docTags:
createdAt: 2023-09-15T08:08:55.150Z
---
This document outlines the release notes for the firmware of CLEMAP Load Management (C-LM) and CLEMAP Energy Monitor (C-EM) products.
### fw5.0.14 release
**Date:** 2026-10-01
Features:
- **Ekoenergetyka**: new integration (OCPP)
- **Axal**: new integration (OCPP)
- **EvBee DC**: new integration (Modbus)
- **Kempower**: complete rework of the cloud API integration
- BESS: SoC hysteresis is now applied per partition instead of per battery
Bugfixes:
- Load management: resource changes from the cloud are applied correctly, even when the profiles are not updated at the same time
- **Zaptec**: API requests are staggered to stay within the new request limit
###
fw5.0.13 release
**Date:** 2026-09-21
Features:
- Introduce capability for BESS to support static, non-controllable loads using a discharge band ("peak shaving")
- IEC104 protocol implementation
Bugfixes:
- **Easee**: New API endpoint did not always provide all data points. Introduce better fault tolerance
- **Pico** credentials were stored incorrectly (local interface only)
###
fw5.0.12 release
**Date:** 2026-09-07
Features:
- **Easee:** Support different endpoints and protocols
- Improve edge\_device **update workflows**
- Improved **OCPP error handling**
- Introduce possibility to **configure Modbus unit\_id / slave\_id**
### fw5.0.11 release
**Date:** 2026-08-30
Integrations**:**
- **GUDE** remote I/O device
- **Alpitronic Hypercharger** with firmware **v3** and higher
Features:
- CLEMAP can now **automatically detect faulty BESS** and control only certain PCS/BAU stacks
- Configure **GUDE** on local web interface
Bugfixes:
- Fix **slow charging ramp up** introduced in fw5.0.9
### fw5.0.10 release
**Date:** 2026-08-20
Integrations**:**
- **Go-e EVSE**
- **AXAL EVSE**
Features:
- Improve behaviour if a modbus meter stops delivering data without actually going offline.
Fixes:
- Updates and reboots preserve assigned current for EVSEs again.
- Fix error in **BESS partition** SoC logic concerning full / empty partitions.
- **Dynamic tariffs** now always block consistent day chunks.
- Fix **certification** problems with **OCPP** EVSEs.
- Fix **certification** problems with **pico** and **chargeamps** EVSEs.
- Fix race condition where **innit registers** were potentially never written.
- State mapping improvements of **AviaVolt 250kw BESS**.
- Fix problems with **Sungrow** modbus slave id.
### fw5.0.9 release
**Date:** 2026-08-04
Integrations:
- **NexBlue Edge**
- **NexBlue Delta**
Features:
- Load management: **Improve current distribution**
- c\_booster: Strengthen stability when **BESS** gets **empty during a charging session**, enabling reliable control of loads several times the HAK limit.
- **OCPP**: implement **dynamic plug allocation**, optimizing current distribution between plugs
Fixes:
- Fix certification problem with **ocpp credentials**
- Fix scaling error for **Compleo Cito**
- Load management: Fix error in **fluctuation margin** when close to HAK limit
- Load management: Fix error where SolarOnly EVSEs erroneously got some regular grid current
- c\_booster: Improved algorithm when **BESS could charge and **at the same time** a car is connected**.
- c\_booster: **Stabilize** load management behaviour when **BESS is empty**.
- c\_booster: Fixed cycle mismatch between reading data and acting on it
### fw5.0.8 release
**Date:** 2026-07-14
Integrations:
- **Avia Volt** 250kw battery
Features:
- Implement remote control of BESS systems, enabling **grid spot market** integration
- Various local UI improvements
Fixes:
- Fix bug about **IDLE current** assignment
- Fix bug in **dynamic circuits**: Assigned current was not tracked correctly
- Fix race condition in communication with certain EVSE models that share one TCP connection to talk to multiple plugs (e.g. **EVTEC**, **Technagon**)
- Better state mapping for **Alpitronic** (IDLE, CHARGING, CONNECTED, etc.)
- Multiple fixes for **Hardy Barth**
### fw5.0.7 release
**Date:** 2026-06-29
**Integrations:**
- **ABB Terra AC **via OCPP
**Features:**
- Complete overhaul of our **OCPP capabilities** to deliver better integrations with various charging stations and OCPP backends.
**Fixes:**
- Fixing issue in **dynamic circuits**, present since fw4.13.0, which lead to oscillations
- Fixing state mapping errors in **Enelion Lumina**
- Improving BESS behaviour when device gets rebooted or updated
### fw5.0.6 release
**Date:** 2026-06-22
This is a small release, shipping new drivers for newer hardware generations of CLEMAP devices. Existing CLEMAP customers are unaffected by this update.
**Features:**
- New hardware drivers for next generation CLEMAP devices.
### fw5.0.5 release
**Date:** 2026-06-02
**Integrations:**
- **Technagon**
**Features:**
- CLEMAP now supports reading electrical data directly from the **medium-voltage (MV) transmission** side
- Up to **3 digital input pins** can now be custom-configured, each digitally programmable on the local web UI.
- Support for **improved hardware**
**Fixes:**
- Communication improvements with next generation **EVTEC** charging stations
- Communication improvements with **Kempower Cloud API**
- Improvements in reading **state of charge** (SoC) of vehicles consistently
### fw5.0.4 release
**Date:** 2026-05-26
After much hard work, we are proud to release the first new major release in more than two years. This is a maintenance release, ensuring that all CLEMAP devices, even if sold years ago, continue to be upgradable and compatible with future developments.
The update is immediately applicable and does not contain any behaviour changes or additional features.
### fw4.13.4 release
**Date:** 2026-03-29
**Integrations:**
- **Hardy Barth**
- **Kempower **chargers can now use** modbus**
- **EVTEC** now uses an improved **new modbus version** (v2)
**Features:**
- **Dazebox Home **and** Dazebox Share** now support failsafe current
- **BESS** algorithm controls HAK current limit more strictly
**Fixes:**
- **State of charge** (SoC) is handled more robust and consistent between charger types and car state transitions
- **OCPP** setups using CLEMAP as **proxy** now work as intended again
- **OCPP** **credentials** now support password-only setups
### fw4.13.3 release
**Date:** 2026-02-04
**Integrations:**
- **Alpitronic** (1-plug version)
- **Infy Power**
**Features:**
- **OCPP** now supports **encryption** (WSS)
- **State of charge** (SoC) is now measured and displayed for Alpitronic, Infy Power and Kostad charging stations (all plug variants)
- Multiple **BESS** algorithm improvements
**Fixes:**
- Fixed issue for multi-plug charging stations where assigned current for multiple cars charging simultaniously was too low.
### fw4.13.2 release
**Date: **2026-01-09
**Integrations:**
- **Technagon EVSE**
**Features:**
- Updated **Zaptec authentication** integration
- Continued improvements to BESS integration to reduce unnecessary charge and discharge commands.
### fw4.13.1 release
**Date:** 2025-12-08
**Features:**
1. Improves charging start for EVSE at very low currents
**Fixes**
1. OCPP meter values during charging session are now handled properly
2. Fixes a bug introduced by fw4.13.0 where cascading CLEMAP devices as well as external signals were not handled properly.
### fw4.13.0 release
**Date:** 2025-11-27
**Integrations**
- CLEMAP load management now supports **battery storage systems**
- Sungrow **PV Inverter**
- Sungrow Meter
- Future Power Charging Station(OCPP)
- NRGKick Gen 2 Charging Station
- Technagon Charging Station
- Siemens VersiCharge AC Wallbox
****
**Features**
- Overhaul of load management algorithm to distribute available capacity even better.
- **Solar booster:** CLEMAP load management is now capable of assigning more current to charging stations than the HAK could support if there are battery- or solar systems within the network.
- Support for secure OCPP wss\://
****
**Fixes**
1. OCPP boot notification was not passing through to proxy systems.
2. Evtec keep alive interval adjusted.
3. Added support for Safecurrent configuration with Sungrow chargers.
**Issues**
1. Known bug where OCPP meter values get stuck after a charging session. Its a visual issue, not affecting the Load Management operation.
### fw4.12.1 release
**Date:** 2025-10-02
**Hotfix **for EVTEC and DAZE chargers not being compatible with 4.12.0
### fw4.12.0 release
**Date:** 2025-09-18
This release includes a major Modbus refactor. **We strongly recommend updating all devices to this version.**
Features
- **Improved Modbus client**: More tolerant with unstable charging stations, preventing premature disconnections and avoiding current spikes during charging sessions.
Integrations
- WhatWatt Meter
- New Modbus v2 integration for **EVTEC**
- Support for **Autel Maxicharger AC Compact**
Fixes
- **Nex2**: Now using the power register instead of the corrupted current register.
- **Kostad**: Fixed initialization of plugs; charging cap increased from 180 kW to **1 MW**.
- **ChargeAmps**: Resolved random RFID lock issues caused by API errors.
- **RTU**: Baudrate is now configurable.0
### fw4.11.3 release
2025-07-22
**Integrations:**
- DEFA Power S
**Features:**
- feat: Implement new Swisspower dynamic tariff.
- wh energy counter per session.
**Fixes:**
- Siemens legacy / fix wh treshold
- Small modbus improvements in EVSEResourceState. fw4.11.1 release
2025-06-29
**Integrations:**
- Enelion Lumina - modbus
- Hager Witty Plus - modbus
**Fixes:**
- Alpitronic keep\_alive interval
### fw4.11.0 release
2025-06-17
**Features:**
- Modbus connections are reset every 24 hours (between 3-4am, when no car is charging) to avoid cached errors.
- Safecurrent Timeout for Kostad stations.
**Integrations:**
- Siemens Sicharge new Modbus Register Set
- Kostad 43kW AC
**Fixes:**
- High energy values by broken registers
- Compleo CITO time freeze in database.
- Power\_sum for aura and pico.
- Local modbus server 0 value error.
### fw4.10.20 release
2025-05-05
**Fixes:**
- CLEMAP Modbus server compability issue.
### fw4.10.18 release
2025-04-27
**Integrations:**
- Nex2: - 1 plug - 2 plugs - 3 plugs variants.
**Fixes:**
- Kempower bad request.
### fw4.10.15 release
2025-04-22
**Integrations:**
- Etrel Inch Duo - 2 plug.
**Fixes:**
- Wrong energy import values for easee and compleo.
- Bug in class holding compleo stations.
### fw4.10.14 release
2025-04-14
**Fixes:**
- BUG: Modbus server was giving back 0 values instead of live data.
### fw4.10.13 release
2025-03-28
** Features:**
- Kostad Unity single plug option
- Schrack EMCIONP2P0
### fw4.10.11 release
2025-03-11
** Features:**
- Local Control of C-LM via ModbusTCP: [https://docs.clemap.com/dev/realtime-energy-data-modbus-tcp](https://docs.clemap.com/dev/realtime-energy-data-modbus-tcp)
**Newly Supported EV Chargers:**
- Dazebox Home (ModbusTCP)
- Dazebox Share (ModbusTCP)
### fw4.10.10 release
2025-02-27
**Fixes:**
- Kostad Unity AC Plug Fix -> now reads from power instead of current.
- Most recent fw version during update command ran into timeouts
** Features:**
- 3 pin input 30% limit capacity signal
- beta for raedian gemini ocpp
### fw4.10.9 release
2025-02-24
** Features:**
- 3 pin input feature for special devices.
### fw4.10.8 release
2025-02-21
**Fixes:**
- ~~Kostad Unity AC Plug Fix -> now reads from power instead of current.~~
- Chargeamps Aura Plug Fix -> resource was duplicated.
### fw4.10.7 release
2025-02-14
**Newly Supported Meters:**
- Integration of smart meter Siemens PAC2200
- Integration of the TQ EM420 smart meter
- Integration of EMU Professional II 3/100 TCP/IP
### fw4.10.5 release
2025-02-06
**Features:**
- Zaptec encryption security increased
- Zaptec encryption via FLOEM
- GPIO output pin control feature
### fw4.10.3 release
2025-01-31
**Newly Supported EV Chargers:**
- ChargeAmps Dawn via OCPP
### fw4.10.2 release
2024-12-18
**Features:**
- Easee Encryption **via FLOEM!**
### fw4.10.0 release
2024-11-18
**Features:**
- OCPP **Proxy solution** for third party OCPP backends!****
**Newly Supported EV Chargers:**
- hager Witty
- Etrel Inch DUO
**Fixes: **
- ABB Terra keep alive bug****
### fw4.9.3 release
2024-10-17
**Hotfix:**
- Alpitronic 3 and 4 plugs config
- Siemenes 3 and 4 plugs config
### fw4.9.2 release
2024-10-03
**Newly Supported EV Chargers:**
- Sungrow DC
**Fixes:**
- Sungrow special adapted registers
- Sungrow does not support to write 0. We write min 2kW
### fw4.9.1 release
2024-10-02
**Newly Supported EV Chargers:**
- Alfen Single and Double
- Mennekes4business
**Fixes:**
- Modbus Client bug fixes
- More tolerant on modbus connection retry
- ModbusDC error catcher for Alpitronic firmware bug
- Alpitronic new statuses for faster charging initiation
- Modbus RTU client with block register reading
- Updated modbus library
**Changes:**
- EVTEC plugs ennumeration
### fw4.9.0 release
2024-10-02
**General Fixes:**
- a failed sensor setup thread will now cause an OPM status 4005
- dynamic plug changes did not increase the dynamic config correctly
- added i\_limit\_resource to the resource state
- Easee integration now updates the i\_limit\_resource value, i\_limit is no longer written since there is no simple way to get the limit of the plugs from the easee API
**Improved Firmware Update:**
- starting from version fw4.9.0 future update will be able to be done by the user from either the local sensor setup or over CLEMAP Floem.
- the sensor setup will now display if the firmware is currently up-to-date
**Flex Signals:**
- added command for temporarily limiting the power consumption for certain EVSEs
- added command for temporarily boosting the priority of certain EVSEs
- sending limiting flex signal and its mode
- Cascading controller will now send current operation mode to the cascading follower, so that they can follow the operation mode of the controller.
**Dynamic Circuits:**
- features and bug fixes.
### fw4.8.7 release
2024-07-22
**Fixes:**
- Resolved an issue where applying changes to load management settings caused the Modbus connection to some EV chargers (e.g., Webasto Live) to close incorrectly, resulting in a permanent loss of connection until a device restart.
### fw4.8.6 release
2024-06-21
**Features:**
- Added new configuration options for a custom installation.
### fw4.8.5 release
2024-06-17
**Fixes:**
- **Easee API Authentication: **Firmware version fw4.7.1 introduced an error that prevented the correct renewal of the Easee API authentication token. This error may cause load management systems to lose access to the Easee cloud API in some installations.
**We are actively working on updating all affected devices to resolve this issue. Thank you for your patience as we work to ensure seamless operation.**
### fw4.8.4 release
2024-06-10
**Features:**
- **Debugging and Monitoring: **Enhanced built-in debugging and monitoring features to simplify the detection and resolution of errors in the future.
### fw4.8.3 release
2024-06-07
**Fixes:**
- **Easee Integration: **Fixed an error that could cause the authentication token to be renewed unnecessarily often. This had no impact on functionality but improves efficiency.
### fw4.8.2 release
2024-06-06
**Fixes:**
- **Kempower Integration: **Resolved multiple bugs to improve overall stability and performance.
### fw4.8.0 release
2024-05-30
We're thrilled to announce the CLEMAP Load Management now supports two new EV charging stations.
**Newly Supported EV Chargers:**
- Kostad Unity
- Kempower
### fw4.7.3 release
2024-05-15
**Fixes:**
- Fixed a bug in firmware version **fw4.7.1** that prevented the local web interface from loading correctly on CLEMAP devices with serial numbers starting with **SE04**, **SE05**, or **FU04**.
**All affected CLEMAP devices have been successfully updated!**
### fw4.7.1 release
2024-05-06
**Features:**
- **Advanced Support for Easee Circuits: **The CLEMAP Load Management now collects data of the individual wallboxes that are part of the controlled circuit. Currently, this data is only displayed in the local device interface. However, a future Fleom update will also make this data available in the cloud.
- **Advanced Support for Zaptec Installations: **The CLEMAP Load Management now collects data of the individual wallboxes that are part of the controlled installation. Currently, this data is only displayed in the local device interface. However, a future Fleom update will also make this data available in the cloud.
- **Advanced Support for EV Chagers with Multiple Connectors:** The CLEMAP Load Management now collects data of the individual connector of the Alpitronic Hypercharger and the Siemens Sicharge, providing more detailed insights into charging activities. Currently, this data is only displayed in the local device interface. However, a future Fleom update will also make this data available in the cloud.
**Fixes:**
- Updated Easee cloud integration to no longer use a deprecated API endpoint.
- Fixed an error with the Eaton Green Motion integration.
- Renamed Schneider EVlink to Schneider Electric EVlink.
### fw4.6.0 release
2024-04-03
We're thrilled to announce the CLEMAP Load Management now supports 4 new EV charging stations.
**Newly Supported EV Chargers:**
- Charge Amps Aura
- Charge Amps Dawn
- Charge Amps Halo
- Compleo Duo
### fw4.5.3 release
2024-03-18
**Fixes:**
- Implemented a fix to the load management cascading system, resolving an issue where EV charging could be delayed due to high non-load management controlled power consumption measured by the cascading slave device.
### fw4.5.2 release
2024-03-18
**Fixes:**
- Implemented fixes to the load management algorithm to address rare scenarios where EV charging could be unexpectedly prevented, despite available power for charging.
- Resolved an issue where configuring static IP settings with multiple DNS servers would cause CLEMAP edge devices to experience difficulties in resolving hostnames correctly. With this fix, users can now configure static IP configurations with multiple DNS servers without any hindrance in hostname resolution.
### fw4.5.0 release
2024-03-14
**Features:**
- **Raedian NEO AC Integration: **We're thrilled to announce the Raedian NEO AC is now supported by the CLEMAP Load Management.
**Fixes:**
- We have resolved an issue that could cause the cascading status displayed by the cascading controller to erroneously show an ERROR or OFFLINE status, even when the cascading connection was operating normally.
- We've resolved an issue that previously prevented cascading slave devices from operating in insecure mode. Please note that all cascading installations default to secure mode and are therefor unaffected by this issue.
### fw4.4.0 release
2024-03-11
**Features:**
- **Automatic Reestablishment of Connection for Modbus EV Chargers: **In instances where a Modbus EV charger becomes disconnected from the load management algorithm for an extended period, the algorithm will now attempt to reestablish the connection. This proactive approach helps mitigate potential disruptions in communication and ensures seamless coordination between the EV charger and the load management system.
**Fixes:**
- **Stabilized smart-me Pico Charging Behavior: **Users will no longer experience constant switching between charging and connected states once a charging process is completed.
- **Improved Stability for Suspended Charging: **EV chargers will no longer oscillate between connected and charging states in situations where charging was temporarily disabled by the load management system. Whether it's due to power consumption constraints during congestion or suspension triggered by an external signal
### fw4.3.2 release
2024-02-05
**Fixes:**
- Resolved an issue with the static load management algorithm. Previously, there was an accuracy issue in calculating static current, leading to disrupted charging behavior.
**Affected Devices: **
This issue impacted **CLEMAP Load Management static** with firmware versions** fw4.2.0** or **fw4.3.1**. To ensure a seamless and reliable experience, we strongly recommend updating the firmware on affected devices.
### fw4.3.1 release
2024-02-01
**Newly Supported Meter Devices:**
- You can now seamlessly use **smart-me** meters as metering devices.
**Fixes:**
- We've addressed an issue where communication with Siemens Sicharge was too infrequent, causing timeout errors.
- Resolved an issue causing corrupted load management configurations when overwriting a configuration that includes circuits.
### fw4.2.0 release
2024-01-09
**Newly Supported Charging Stations:**
- Added support for **Eaton Green Motion** EV charging stations.
- Added support for **Etrel INCH Pro** EV charging stations.
- Added support for **Alpitronic Hypercharger** DC fast charger.
- Added support for **Siemens Sicharge** DC fast charger.
**New Features:**
- Implemented support for SolarLog HAK measurements as a metering device.
- Introducing **E-Mobility Limit**: Now you have the power to define the maximum allowable current for your E-Mobility devices, giving you greater control over energy consumption.
- Cascading CLEMAP Load Managements: Manage more intricate installations with ease by combining multiple Clemap Load Managements.
- Enhanced Manual Network Configuration: Specify DNS servers with extended functionality in manual network configuration.
**Fixes:**
- Streamlined interactions with the Pico API to reduce the number of requests without compromising functionality.
- Extended default timeout for ModbusServerModule for better compatibility with diverse systems and configurations.
- Adjusted ModbusServerModule for improved performance by refreshing Modbus registers at a less frequent rate.
### fw4.1.2 release
2023-12-05
**Fixes:**
- Addressed an issue during the aggregation of meter data that was causing some measurement inaccuracies for certain readings.
### fw4.1.0 release
2023-11-13
**Newly Supported Charging Stations:**
- Added support for **Compleo Cito** DC charging station.
- Added support for **EVTEC c\&c** DC charging station.
**New Features:**
- Added support for **Shelly Pro 3EM** as a metering device.
- Users can now choose "Priority**OnlySolar**" and "Priority**MinAndSolar**" priorities in Floem.
- Introduced a **help page in the local web interface** guiding users to the CLEMAP help center and support.
**Fixes:**
- Resolved an error when calculating energy values on phase L3.
- EVSEs with their limit set to zero are no longer forced into the connected state.
- Addressed cases where Zaptec API reports phase 0.
- EV charging station models are now sorted case-insensitively when displayed in the local web interface load managment settings page.
### fw4.0.3 release
2023-09-29
**Fixes:**
- Resolved the issue where Easee current limit read would consistently display zero.
- Improved the default timeout duration when utilizing the CLEMAP Load Management in conjunction with the Easee Equalizer.
### fw4.0.2 release
2023-09-25
- Added support for **Mennekes Amtron Professional EVSEs running newer firmware versions**.
**Fixes:**
- The model version selector on the sensor setup load management settings page did not function as expected.
### fw4.0.1 release
2023-09-20
- Load management **circuits **enable the setup of more sophisticated configurations, providing an enhanced level of control. These circuits can enforce additional limits for a group of Electric Vehicle Supply Equipment (EVSEs).
- Users now have the ability to set different **prioritization **levels for each EVSE. EVSEs with higher priority will receive power allocations first, while lower priority EVSEs will only access power capacity if it is not being used by higher priority EVSEs. EVSEs that have recently started charging will temporarily receive the highest priority to provide users with proper feedback that charging has started correctly.
- Modbus and API timeouts can now be modified in the device configuration. The default timeout value has also increased.
- Added support for **Herholdt Controls ecs eVision** as a metering device.
- Added support for **Solar-Log** as a metering device.
**Fixes:**
- Corrected an issue where Easee API token was not correctly refreshed when load management had multiple Easee EVSEs configured.
- Changes on the sensor setup device settings page could not be saved without also changing the password.
### fw3.13.4 release
2023-09-06
- fix in easee token refresh, after easee cloud portal changes from easee.cloud to easee.com
- small improvements in Zaptec cloud communication
### fw3.12.0 release
2023-08-31
- Support for **Compleo charging station version 2.1.0 and 2.0.34**
- bugfix in KEBA charging station - errors in charging station are better recognized
### fw3.11.0 release
2023-07-25
- **Users can update their devices** by them self on local web interface
- Password of edge device can be changed by the user
### fw3.10.2 release
2023-07-18
- separated **Mennekes Amtron Professional** from **Mennekes Amtron Premium** interface
### fw3.10.0 release
2023-07-10
- added support for **schneider EV** and **technivolt**
### fw3.8.0 release
2023-06-22
- change to the **new Easee API uri api.easee.com**
### fw3.7.0 release
2023-05-30
- bugfix Zaptec Cloud token refresh
- bugfix Easee EVSE resources aggregation