The provided source details a comprehensive FinOps strategy for Energinet, Denmark’s national Transmission System Operator, to manage and optimise its multi-cloud environment (Azure, AWS, GCP). It outlines a cultural shift towards shared cost ownership, proposing a hybrid FinOps team structure with central governance and embedded champions. The strategy emphasises establishing a unified cost data pipeline, implementing a robust tagging strategy, and a detailed optimisation playbook to address various cloud waste scenarios. Furthermore, it covers enhancing forecasting accuracy, integrating automation and policy-as-code, and evaluating a tooling strategy combining native, custom, and third-party solutions, all while ensuring compliance, security, and auditability within a regulated critical infrastructure context.