Release 2021.1.0

  • Implement SOCOMEC Countis E44 meter
  • Implement Janitza Meter UMG 511 meter
  • Implement ESS Delayed Sell to Grid Controller – shifts feed-in from a photovoltaics systems with an energy storage system to reduce grid load
  • Several improvements in the REST API
  • Debug-Log-Controller: allow wildcards for ignore components + non-condensed output

…and lots of minor additions, code quality improvements and bug fixes

Release 2020.24.0

Active & Reactive Power Characteristic Controllers

These Controllers actively help to support grid stability with an energy storage system. Tested in research projects like EASY-RES and actual customer projects with European grid operators

Improve GoodWe ET + BT battery inverters implementation

This brings full control for the GoodWe ET and BT battery inverters

Implement Controller for a SG-Ready Heat Pump

Controls a heat pump that implements the SG-Ready standard via two Relay contacts, depending on surplus power and battery state-of-charge.

Implement Virtual Subtract Meter

Add support for Socomec e27 e28 meters

Big improvements on EVCS (Electric Vehicle Charging Station) components

…and lots of code quality improvements and bug fixes

Release 2020.23.0

  • Add SMA Sunny Home Manager 2.0 Meter

Now you can use your existing SMA Sunny Home Manager Meter for advanced control algorithms via OpenEMS

  • FENECON Mini Energy Storage System: add write-mode for remote-control

Thanks to the power of Open-Source, this adds new exciting (after-market) possibilites for a system, that is already a couple of years old

…and lots of code quality improvements and bug fixes. We also welcome a couple of new contributers to OpenEMS! 🎉

Release 2020.21.0

Improvements for Hardware drivers:

  • Batteries: BMW and BYD Battery-Box Commercial
  • Battery Inverters: REFU88k, KACO 50, KACO 92 and Sinexcel
  • Wallbox: KEBA
  • Energy meters: Janitza UMG604 and Discovergy

New control algorithm for Delayed Sell-to-Grid of a system with photovoltaics and energy storage

Continuous Integration: enable automated JUnit tests on each commit to the OpenEMS repository

…and lots of code quality improvements and bug fixes

Release 2020.20.0

Enable Gitpod cloud IDE

The Gitpod workspace automatically builds and runs instances of OpenEMS Edge, Backend and UI. They are preconfigured to simulate an energy system with two photovoltaics systems, an energy storage system, simulated consumption, self-consumption optimization and some controllers that act on simulated I/Os.

To open a Gitpod workspace, follow the links in the main README.MD file or directly

Massive performance improvements on Energy Storage Systems Power-Solver

The Ess Power Component is responsible for distributing power requirements to one or more energy storage systems, while considering arbitrary constraints and optimizing for certain targets. These updates improve the performance of this solver by more than 400 % on large systems

Update to Angular 10 and more UI updates

Improve integrity tests of OpenEMS configuration (via OSGi-Validate-Worker)

…and lots of code quality improvements and bug fixes

Release 2020.19.0

Improvements to OpenEMS Simulator-App

The Simulator-App is a very specific component that needs to be handled with care. It provides a full simulation environment to run an OpenEMS Edge instance in simulated realtime environment. After you ran a Simulation, you will receive the simulation result as a JSON. Also the simulation result can be viewed in OpenEMS UI.

Migrate Refu88K from ESS to BatteryInverter

The implemenation for REFU 88k Battery-Inverter now uses the recently added „BatteryInverter“ Nature in combination with the „GenericEss“ implementation.

…and lots of code quality improvements and bug fixes