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 models into the main configuration loading pipeline. This work established a scalable foundation for future data center analytics and capacity planning, aligning with the repository’s existing configuration management patterns to ensure a smooth rollout. Pierre’s approach emphasized maintainability and extensibility, leveraging his skills in Python, configuration management, and data modeling to deliver a robust solution without introducing major bugs during the development period.