1. Communication Technologies for the Smart Grids

2. Framework and Output Framework: Geographic scale Common endpoints
Requirements
Technologies
Outputs:
Status of Area
Outlook
Med (5 years)
Long (ten years)
Challenges and opportunities

3. Pre-Discussion What we understand under Smart Grids
Intersection between IT and the Power Grid (focused but not limited in Distribution Networks)

4. 1.1 Status of Area – Geographic Scale and End Points
WAN/MAN – Public
WAN/MAN – Private
LAN (Private)
Wired
RTUs
HEMs (Gateway)
EV charger
PV inverter?
PMU
PROT
STN
Sensors
PV inverter
HEMS (Gateway)
Storage management
Wireless

5. 1.2 Status of Area - Requirements
Delay Bounds
Deterministic
Stochastic
Throughput
Error Rate Bounds
Reliability: SG Specific (can work even under grid fault)
Privacy
Security
Interoperability
Ability to upgrade/maintain
“Low” Cost
Clock/Time distribution (PTP) (synchronicity)

6. 1.3 Status of Area - Technologies
WAN/MAN
LAN (Private)
Wired FO
PLC
A number of proprietary
Ethernet
BACNet and Others
Powerline
PRP
Wireless
3G/4G
Proprietary
WiFi
Zigbee
Bluetooth
WiFi-Direct
Many proprietary technologies

7. 2. Mid and Long Term Challenges and Opportunities
Integration of legacy wired/wireless technologies (med-term) for both WAN and LAN
Guaranteed very low latencies in WAN/MAN for real-time control applications (med-to-long-term)
Reliable (multi-path), practical and cost-effective communication (short- to-med-term)
Scalable and interoperable communication paths (for smart meters) (med-term)
Localization and integration of pervasive sensors in secure way (long- term)
Authenticated sensor readings (med-term)
Making communication tamper proof (mid-term)

8. 2.3 Challenges and Opportunities (1)
Securing devices despite physical access by attackers (booting, etc.) (long-term)
Emergency back doors that are safe(long)
Reliability of communication despite power network failures (med- to-long term)
Ability to upgrade/maintain com. Infrastructure (med-to-long-term)
Going from communication to semantic SG (med-term)
Scalable IP multicast that works for wide area (short-to-med-term)