SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity -1- CONFIDENTIAL Integrated Critical Communications Infrastructure Wireless WAN Business & Policy.

SOUTHERN CALIFORNIA EDISON®

Leading the Way in Electricity

-1-CONFIDENTIAL

Integrated Critical Communications Infrastructure

Wireless WAN Business & Policy Track

Howard LiuMay 25, 2011



-2-CONFIDENTIAL -2-

Topics1. Current SCEnet & ECS Status2. New Business Drivers3. SCE Integrated Communications Infrastructure

– Purposes & Characteristics4. Utilities had to build their own Integrated

Critical Comm Infrastructure for Critical Applications

5. Roadmap to Executing the Strategy6. Conclusion



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1. SCE Service Territory

SCE

• One of the nation’s largest electric utilities• Serving a population of nearly 14 million people• 50,000 in square-mile service area within

Central/Coastal/Southern California• SCE Telecommunication Network - 75,000 miles



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Current SCEnet Status

SCEnet, built in the 90’s for $110 million dollars, Has resulted in over a 300% ROI in avoided costs &

revenue generation– Fiber optic: 3,100 route-miles. – Microwave network: 3,792 path-miles. – A private satellite network to provide network connectivity

to over 300 remote substations– 2,568 Hand-held Radios (A private Mobile Radio Network

that is used for emergency communication) – 28,275 Netcom Radios (remotely control devices in the

electric system, and Load Management radio system for Demand Response.)



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SCEnet – A Reliable Electric Grids SCE’s fiber optic, microwave, and Netcom network

have helped create one of the most automated, and reliable electric grids in the nation.

Automated portions of the electric system include: – 56% of SCE’s 900 substations, – 41% of the 4,400 electric circuits– 100% of commercial and industrial customers (with

Smart metering).– The Network is supporting the real time monitoring of

over 200,000 points in the electric grid every four seconds.



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2. Internal/External factors contributing to the movement of SCE’s Telcomm



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Requirement Changes for SCEnet2Category Today Future

Facilities with high-speed connections

Top 150 SCE connected locations

Expand to 1,000+ locations

Intelligent Electronic Devices

Millions Tens of millions, includes Smart Meters and intelligent electronic devices

Push-to-talk voice dispatch for construction field forces

Proprietary analog, followed by Open standard, encrypted, interoperable, digital land mobile radio Land Mobile Radio

Anytime/anywhere connectivity

Broadband wireless connectivity to field

personnel and equipment

Mobile data, smart phone Anytime/anywhere connectivity

Security Compliance Current requirements are limited in scope but are expected to be broader and more stringent over time

Strict NERC/CIP, Smart Grid security requirements moving to “military grub” over time

Multimedia and Collaboration

Limited Streaming video, Rich MediaReal-time collaboration

Grid Load via grid management applications

Time-Division Multiplex SCADA IP-enabled Smart Grid control



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3. SCE Integrated Communications Infrastructure



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4. Utilities had to build their own Integrated Critical Comm Infrastructure for Critical

Applications

1. Latency

2. Coverage

3. Reliability

4. Emergency Availability



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4.1 Latency:– Telco circuits were not able to meet the very low latency

requirements of important Utility applications. E.g. Phase Comparison Circuits.

– Utilities had to build their own networks to ensure they can support the stringent latency specifications of 2 to 8 milliseconds (i.e. less than ½ cycle).

T=0

FAULT CLEARING TIME

Communication Delay

ReceiverDelay

T=32 ms T=50 ms

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T=16 ms



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4.2 Coverage:• Utility crews operate in wide geographical areas many of which are in remote areas

far from populations centers.

• Utility assets such as reclosers, capacitor banks, & regulators are typically distributed in remote areas.

• The Telco business model of providing service only to highly populated areas left huge coverage gaps in the Utilities’ service territory.

• These coverage gaps often presented safety or operational risks that the utility was not willing to assume.

• Barstow

Riverside

LADWP

• Mammoth

• Las Vegas

TejonPass

Big Creek

Death Valley

• Mt. Wilson

• Phoenix

San JoaquinValley

Good/Excellent Coverage

Marginal/Adequate Coverage

No/Poor Coverage

• Barstow

Riverside

LADWP

• Mammoth

• Las Vegas

TejonPass

Big Creek

Death Valley

• Mt. Wilson

• Phoenix

San JoaquinValley



No/Poor Coverage



No/Poor Coverage

SCE Mobile Radio Network Coverage



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In 2002, Johnstone Peak lost power for several weeks, due to fire, but SCE’s mobile radio serving the area continued to operate using back-up power from engine generators.

4.3 Reliability:• Telco networks built for the mass consumer market often lack the

reliability needed for core Utility applications…voice dispatch or SCADA.

• E.g., whereas Utility base station sites have several weeks of emergency power backup, Telco cell sites have only hours (or days at most) of power backup.



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4.4 Emergency Availability: • Telco consumer services run into congestion problems during

emergencies.

• E.G. September 11, the 2005 Hurricane Katrina, the 2009 Hurricane Ike, & the 2007 bridge collapse in Minneapolis.




Lease vs. Own?

SCE has always used a hybrid approach

SCE has relied primarily on its own network for those Utility applications that have demanding latency, coverage, reliability, and emergency-availability requirements.

The question is: moving forward, can SCE rely primarily on the Telcos to support these critical applications, or should it build its own network by refreshing and expanding SCEnet?




SCE still needs to evaluate the leased option for various Smart Grid applications

Business models change over time, so do technologies. We should be open-minded and explore new possibilities.

The Teclos understand “Smart Grid” is the next big area of opportunity, so they are gearing up to see how they can support the Smart Grid rollout. Some are creating new business units just focused on the Energy Sector.

Some emerging 4G wireless technologies may be able to meet some Utility requirements.




5. Telecomm Roadmap




6. Conclusions

SCEnet has been performing well for over 15 years SCE’s Unified Communication Architecture anticipates

all enterprise needs SCE Integrated Critical Communications Infrastructure

– A Layered Architecture Vision Utilities had to build their own Integrated Critical Comm

Infrastructure for Critical Applications SCE is open-minded and explore new wireless

possibilities.– Identify frequency bands between 700 MHz and 2.6 GHz

that may be suitable for a private wireless communications in the SCE service territory

– Utilize emerging 4G wireless technologies

SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity -1- CONFIDENTIAL Integrated Critical Communications Infrastructure Wireless WAN Business & Policy.

Documents

southern california

network connectivity

confidential scenet

electric system

microwave network

netcom network

private mobile radio

electric circuits