(c) 2011 san diego gas & electric company. all copyright and trademark rights reserved

(c) 2011 San Diego Gas & Electric Company. All copyright and trademark rights reserved.

SDG&E’s Service Territory

The Growing Power Needs in Orange County

Source: U.S. Census / SDG&E

Energy demand in Orange County has more than tripled over the last 26 years:

• 141 MW in 1984

• 492 MW in 2010

South Orange County Needs Power Reliability

1984 2013

Goals for the South Orange County Reliability Enhancement

Provides System Reliability

Upgrades Outdated Equipment

Meets Needs of Residents & Businesses

Needed to Meet Federal and State Energy Regulations

Rebuild San Juan Capistrano Substation, which was built in the 1950’s

Upgrade Transmission Lines 138 kV to 230 kV

Replace existing structures with taller, new steel poles

The South Orange County Reliability Enhancement

South OC Substation Arrangement – Today

Capistrano Substation

Talega Substation

San Mateo Substation

Rancho Mission Viejo Substation

Margarita SubstationTrabuco Substation

Laguna Niguel Substation

Pico Substation

EscondidoSan Diego

Currently, electricity supplied to South Orange County customers must pass through the Talega Substation.

Future South OC Substation Arrangement

Capistrano Substation

Talega Substation

San Mateo Substation

Rancho Mission Viejo Substation

Margarita SubstationTrabuco Substation

Laguna Niguel Substation

Pico Substation

EscondidoSan Diego

In the Future, electricity supplied to South Orange County customers will be available from both Talega Substation &

Capistrano Substation.

Proposed Route Along Existing Transmission Corridor

Rancho Madrina - Today

Rancho Madrina - Concept

San Juan Capistrano Substation in the 1950’s

San Juan Capistrano Substation Today

San Juan Capistrano Substation - Concept

Proposed Permitting and Construction Schedule

CPUC Filing May 18, 2012

Scoping Meetings January 23 / 24 2013

Draft EIR Q3 – 2013

Final EIR Q4 – 2013

CPUC Decision Q4 – 2013

2013 – 2017 Rebuild SJC Substation

Transmission Line

Replacement

All Dates are Estimate

For More Information

Duane Cave – External Relations Manager

• (949) 361-8065

• Dcave@Semprautilities.com

or

Visit our Project Outreach Office

31521 Camino Capistrano, Unit B

San Juan Capistrano, Ca. 92675

www. SDGE.com/Southcounty