Open source stack to tackle EV charger fragmentation

Open source stack to tackle EV charger fragmentation

Technology News |
By Nick Flaherty

Pionix in Germany has developed an open source software stack to address the fragmentation of  the EV charging infrastructure.

EVerest is a modular, customisable stack that abstracts the complexity of multiple standards and use cases with a lightweight Linux system running on any device from AC home chargers to public DC charging stations. By running inside the charging point, the project accelerates e-mobility adoption and enables new features for local energy management, PV-integration, grid friendliness, and more.

EVerest manages communication around energy between different players, with  EN IEC 61851, ISO 15118 in the car, Modbus and Sunspec for local energy generation & batteries as well ads OCCP1.6 for cloud backend and payment systems as well a modules for specific grid constraints. It also includes the user interface customisation.

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EVerest is a smart interconnection layer, so users can focus on deploying unique features and don’t have to focus on implementing, integrating and maintaining dozens of needed protocols in a robust and compatible way. The packages in the stack are designed to run on most linux distributions, orchestrated by the EVerest Dependency Manager (EDM). Each module provides a certain set of capabilities and will be launched by EDM. Communication is done via a local MQTT server. Which modules are offering certain features to whom of its neighbouring modules is highly configurable and can be defined in module manifest files and a setup specific system configuration, both in JSON. 

This enables easy adjustment to specific local circumstances, for example, if different hardware modules are used underneath or a local solar installation needs adjusting on how the connectivity is established. Even if the local power supply is constrained and needs to be shared with other consumers, this can be adapted by using the EVerest framework.

“We are driving the energy and mobility transition by optimizing and standardizing the EV charging infrastructure with EVerest. The open source software stack EVerest will become the new standard operating system of charging stations – just like Android for mobile devices,” said Dr. Marco Möller, CEO & Co-Founder of Pionix.

This is the 13th incubating project by LF Energy, the open source foundation focused on the power systems sector. LF Energy provides a neutral, collaborative community to build the shared digital investments for power infrastructure

“At LF Energy, we firmly believe that only open source has the speed and transformative power to change industries fast. Our mission is the decarbonization of the global economy by enabling the transformation of power systems, the transition to electric mobility, and the radical efficiency of the built environment. In this regard, EVerest is the perfect addition to our ecosystem,” said Shuli Goodman, Executive Director of the Linux Foundation Energy.

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