There are a number of technical codes and standards that licensees are required to have in force and comply with.
- the Grid Code
- the System Operator Transmission Owner Code
- the Distribution Code
- the GB Security and Quality of Supply Standard
- the Distribution System Planning Standard.
Under certain circumstances, we may issue a direction to a licensee relieving it of its obligations to comply with a specified part of these obligations. These directions are generally referred to as derogations.