ClarioCore is a deterministic infrastructure for hourly electricity emissions accounting. It delivers auditable, reproducible, and traceable emissions calculations for industrial operators, Emissions Trading System (ETS) participants, CBAM-covered exporters, and corporate sustainability teams, while preserving the underlying data, methodology, and calculation chain in an audit-ready architecture. Its outputs support corporate Scope 2 reporting and provide a dependable data and evidence layer for ETS- and CBAM-related reporting processes.