Balancing Services Adjustment Data (BSAD) is used to submit balancing actions to the Balancing & Settlement Code (BSC), which defines the rules and governance for the balancing mechanism and imbalance settlement processes of electricity in Great Britain. BSAD covers actions taken outside of the balancing mechanism. >The BSAD methodology statement can be found here: [https://www.nationalgrideso.com/document/110891/download](https://www.nationalgrideso.com/document/110891/download)