During May 2025, Pierre Segonne developed a data center configuration and modeling feature for the electricitymaps-contrib repository. He introduced a JSON-based configuration system and designed Pydantic data models to represent data center information, integrating these seamlessly into the existing configuration loading pipeline. This work established a scalable foundation for future data center analytics and capacity planning, aligning with the repository’s established configuration management patterns to ensure maintainability and minimize rollout risk. Pierre’s approach leveraged his skills in Python, configuration management, and data modeling, delivering a reusable and extensible solution without introducing major bugs, and preparing the project for broader adoption.