Table of Contents - G Suppl. 86 (03/2025) - Fibre to the power grid (FTTGrid) use cases and network requirements

1	Scope
2	References
3	Definitions
	3.1	Terms defined elsewhere
	3.2	Terms defined in this Supplement
4	Abbreviations and acronyms
5	Conventions
6	Overview of power grid
	6.1	Evolution of power grid
	6.2	Fibre communications in the power grid infrastructure
	6.3	Challenges for the power communication access network
7	FTTGrid use cases and requirements
	7.1	Use case 1: Power distribution automation system using PON
	7.2	Use case 2: Substation information network using PON
8	FTTGrid network architecture
9	FTTGrid key functions
	9.1	Hard isolation
	9.2	Latency control and time synchronization
	9.3	Network reliability and fault detection
	9.4	Security enhanced PON and wireless coordinated access
	9.5	Power grid specific adaptation
10	Conclusions and next steps
Bibliography