August 2014

5-mile Project

Corridor is 250’ wide Existing Structures: • 500kV single-circuit west • 230kV double-circuit east

Project does not require any additional right-of-way

Original 500kV Loop

Aging infrastructure - portion of the 350-mile "500kV loop" built in the mid-1960’s

Growth in local and

regional demand - Dominion's service territory continues to be one of the fastest growth areas in PJM ◦ Project needed in order to

comply with mandatory North American Electric Reliability Corporation (“NERC”) Reliability Standards by increasing transmission capacity

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Corridor view: looking north 230kV Double-circuit on

eastern side of corridor

500kV Single-circuit on

western side of corridor

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Existing View

2015

2016-17

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PUBLIC OPEN HOUSE John Champe High School Held Tuesday, August 12, 2014

650 property owners along right-of-way and builders/HOAs received and open house notice & project structure diagrams

Advertising: July 31, August 7

Leesburg Today/Ashburn Today Washington Post – Loudoun Living July 30, August 6 Loudoun Times Mirror

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Work continues through 2016

Gas-insulated Substation (GIS) enclosure

New fence to meet NERC Physical Security Standards

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Loudoun – Pleasant View 500kV (western side of corridor) ◦ Approved SCC project (13-miles) ◦ Begin construction spring 2015 - - moving from Pleasant View

Substation south toward Loudoun Substation

Brambleton – Mosby 500kV (eastern side of corridor) ◦ Announced at PJM October 2013 (5-miles) Plans to replace double circuit 230kV with 5/2 structures 2nd 500kV line mentioned in L-PV October 2013 SCC application

◦ File application with SCC later in 2014 ◦ Begin construction spring 2016 - - moving from Mosby/Loudoun

Substation north toward Brambleton Substation

Schedule

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Visit project website for the latest updates

◦ www.dom.com, search “Brambleton”

Email us at powerline@dom.com

Phone one of our representatives at 1-888-291-0190

from 8 a.m. to 5 p.m., Monday – Friday

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