Keynote: LF Energy: An Innovative Ecosystem Powering the Future of Energy Through Ope... C. Villemer

### Overview At Open Source Japan, Christophe Villemer—Linux Foundation Energy (LF Energy) Ambassador and representative of Savoir-faire Linux—presented a keynote on how open source collaboration is transforming the global energy sector. The power industry is experiencing massive changes, driven by rapid electrification, the expansion of distributed renewable generation (notably solar and wind), cybersecurity threats across legacy and digital systems, and severe aging infrastructure requiring hundreds of billions in modernization investments. Historically dominated by vertically integrated proprietary software and extreme vendor lock-in, the energy sector has struggled with slow innovation cycles. LF Energy provides a vendor-neutral, utility-driven foundation to transition energy infrastructure toward modern software-defined architectures.

### Key Topics - **Energy Sector Challenges**: Infrastructure aging, rapid transition to renewables, cybersecurity threats on operational technology and digital grids, and heavy regulatory compliance burdens. - **Software-Defined Architecture**: Following previous industry shifts in telecommunications (5G) and automotive, power grids are moving away from proprietary hardware lock-in toward interoperable, decoupled software stacks. - **Open Collaboration Model**: LF Energy provides a trusted governance framework, neutral intellectual property zones, and standardized DevOps/security best practices, uniting utilities, traditional equipment vendors, and software companies. - **Global Expansion and Japan**: While initial momentum emerged strongly in Europe and spread to North America, isolated and fragmented grids like Japan's face the exact same modernization imperatives.

### Technical Details Villemer spotlighted two prominent projects within LF Energy: - **SEAPATH (C-Path)**: A Linux-based, real-time, hardened virtualization platform developed for next-generation digital substations. It serves as an operating system hosting protection, automation, and control (PAC/vPAC) software for the grid. Co-created in 2019 by RTE (the French transmission system operator) and Savoir-faire Linux and open-sourced in late 2020, its first official release arrived in early 2025. SEAPATH enables hardware-agnostic deployments on industrial equipment, drawing participation from major vendors (such as Schneider Electric, GE Vernova, ABB) and tech vendors like Red Hat and SUSE. - **GEAZA**: Initiated by Southern California Edison in North America, GEAZA is an alliance and open specification framework designed for the grid edge (smart meters and edge devices). It decouples edge hardware from software using standard APIs, allowing utilities to update software swiftly over device lifecycles rather than enduring multi-decade vendor lock-in. Conformance testing applications are under development, with initial specifications targeting early 2026.

### Takeaways LF Energy operates over 40 active projects and counts more than 70 member organizations, distinctively led directly by utilities rather than equipment vendors. With utilities demanding standardized, open platforms as prerequisites for procurement, legacy vendors are collaborating on shared software foundations while building new business models. With companies like Hitachi recently joining and presenting on the ecosystem, Japanese utilities and technology integrators are encouraged to participate in open source collaborative initiatives to secure and modernize power infrastructure.