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SOUTHERN CALIFORNIA EDISON®

Leading the Way in Electricity

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SCE SmartGrid Communications

Architecture, Strategy, and Roadmap

6th Annual Technology Symposium June 13, 2012

Howard Liu SmartGrid Comm Manager

Southern California Edison



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Southern California Edison Overview

SCE provides power to:

– Nearly 14 million people

– 180 cities in 50,000 sq-miles

– 11 counties

To deliver that power it takes:

– 16 utility interconnections

– 4,990 transmission and distribution circuits



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What is “Grid of the Future?”

A network that uses information technology to deliver electricity efficiently, reliably, and securely.

– Enables bidirectional flows of energy and uses two-way communication and control capabilities

Unlike today's grid, which primarily delivers electricity in a one-way flow from generator to outlet

– It's been called

“SmartGrid”

“Electricity with a brain"

“Energy internet"

“Electronet."



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Smart Grid = Electrical Infrastructure + IT

Source: EPRI® Intelligrid

Electrical

Infrastructure

Communication

Information

Infrastructure



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5

Ambitious energy policies create operational challenges that

require accelerated deployment of smart grid technologies



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SCE’s Smart Grid Strategy

Se

cu

rity



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Guideline for Power System



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Guideline for Utility Operations (1/2)



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To ensure proper operation, rigorous technology evaluation must take

place in a controlled environment before smart grid technologies are

deployed on the grid

Situational Awareness Lab Communications &

Computing Lab Power Systems Lab Distributed Energy

Resources Lab

Substation Automation Lab Distribution Automation Lab Home Area Network Lab Garage of the Future Lab



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SCE is conducting 2 smart grid demonstration projects funded

by the American Recovery and Reinvestment Act of 2009

(ARRA).

(1) Irvine Smart Grid Demonstration (ISGD) project

Demonstrate new smart grid technologies which can

reduce energy costs and emissions.

(2) The Tehachapi Wind Energy Storage Project (TSP)

Evaluate a utility-scale, lithium-ion battery system to

integration with large-scale, wind-powered electricity

generation.



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ISGD Location



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ISGD Scope



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Tehachapi Wind Energy Storage Project



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Summary • SCEnet has been performing well for over 15 years but needs to

evolve to support exponential growth in network traffic and future Smart Grid applications

• SCE’s Unified Communication Architecture anticipates all enterprise needs

• SCEnet2 provides evolution to an efficient and flexible packet-based network to provide a scalable foundation for future communication services.

New technologies and applications require a new approach

Exponential traffic growth demands elastic bandwidth capabilities

Optimized network characteristics meet high performance and low

latency criteria

Flexible network to facilitate end to end Smart Grid connectivity

IP/MPLS/Ethernet over DWDM

LTE & WiMAX • SCE is open-minded and explore new possibilities.

• “Utilities are trying hard to be first to be second” D. Chassin

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