Pionix raises over €8 million to scale EV charging enterprise products on the open-source EVerest stack, hosted by Linux Foundation Energy (LF Energy), which allows the industry to build on a shared software foundation.
The open-source approach accelerates innovation while dramatically improving reliability, interoperability and long-term maintainability across the global EV charging ecosystem, which currently sees failed charging session rates of up to 25%.
The EVerest stack is considered a highly impactful open-source initiative within the cleantech space, with an estimated ecosystem value of more than $500 million.
Karlsruhe, GERMANY – 18 November 2025
The German e-mobility tech startup, Pionix, has raised over €8 million to scale its open-source-powered products for the global e-mobility industry. Built on the EVerest stack, Pionix offers a suite of engineering and enterprise services to unify EV charging technology under a common framework. The late seed round was led by Ascend Capital Partners, with participation from Start-up BW Seed Fonds, managed by MBG Baden-Württemberg, Pale blue dot, Vireo Ventures, Axeleo Ventures and further investors.
Despite rapid development across e-mobility in recent years, EV charging remains fragmented. The industry’s growing ecosystem of hardware and software companies operates proprietary, closed software systems that often fail to communicate seamlessly with one another. Failures in interoperability and communication have led to reliability issues, inefficient maintenance of infrastructure and charging session error rates of up to 25%.
Founded in 2021, Pionix’s products offer a shared software foundation for all EV charging technologies, ensuring reliability, interoperability and future-readiness of global infrastructure. In response to the industry’s challenges, Pionix initiated and contributed significantly to EVerest, an open-source software platform. EVerest serves as a common foundation for charger manufacturers, charging operators, automakers and fleets to build on, eliminating compatibility issues and enabling faster innovation across the EV charging ecosystem.
Today, EVerest has grown into one of the most impactful open-source initiatives in cleantech and with support from 600 contributors from more than 70 organizations and powers hundreds of thousands of chargers globally.
The open-source software, donated by Pionix in 2021 to Linux Foundation Energy (LF Energy), has an estimated ecosystem value of more than $500 million – already almost half of the estimated ecosystem value of the Linux kernel, which is considered the world’s most renowned open-source project at roughly $1.2 billion.
