1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
5.1 A (interface)
5.2 A3 (interface)
6 General introduction of the need for electrical energy storage
6.1 Short disturbance and dips filtering
6.2 Increased reliability by adding autonomy to cover prolonged
grid outages
6.3 Self-consumption of renewable energy increased by storage for
on-grid and off-grid systems
6.4 Smart grid services with energy storage functionality and
possible reliability increase
6.5 Machine-to-machine and Internet of Things devices power supply
6 6 Voltage interface of energy storage solutions
7 Evolution of energy storage
8 Selection method of energy
storage for ICT stationary use
8.1 Selection method based on general criteria and complementary
tests
8.2 Detailed description of the main parameters of energy storage
technology
9 Test methods
9.1 General introduction
9.2 Test flowchart
9.3 Additional
considerations
Appendix I – Energy storage (battery, supercapacitor)
world-market evolution
Appendix II – Multi-criteria approach to choosing energy storage
Appendix III – Rationale for very short autonomy on good grids
obtained by supercapacitor or high‑power rechargeable battery
Bibliography