Emory Grove Substation Project

Hanover Road Association Meeting – December 8, 2010

Presentation Agenda• Safety Message

• Introductions

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• Background – BGE & PJM Interconnection

• Emory Grove Substation Project

• Substation Design Approach

• Community Concerns

• Project Timeline

• Questions & Answers

• Future Communications

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Carbon Monoxide Safety Message

• Carbon monoxide (CO) poisoning is usually caused by incomplete combustion and inadequate ventilation.

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p q− Signs: Stuffy, stale or smelly air; High humidity; Soot− Overexposure: Headaches, dizziness, weakness, nausea,

vomiting and loss of muscle controlvomiting, and loss of muscle control− Prolonged exposure: Unconsciousness, brain damage, and even

death. The best treatment for overexposure is to get lots of fresh air and immediate medical attentionand immediate medical attention

• To reduce the risk of CO poisoning, appliance manufacturers recommend an annual inspection of gas and oil appliances. A

lifi d h ti t t f thi iqualified heating contractor can perform this service.

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Carbon Monoxide Safety Message

To prevent CO poisoning, keep the following tips in mind:• Never operate a CO-producing engine or heating source in an

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Never operate a CO producing engine or heating source in an area that lacks ventilation. Examples include running a vehicle in a closed garage, operating a grill indoors, or leaving a cooking range on for warmthcooking range on for warmth.

• Have heating systems, gas hot water heaters, and chimneys checked annually by qualified technicians or contractors.

• Install CO detectors (meeting UL standard #2034 requirements) above your home's furnace and outside bedrooms.

• If you suspect a CO problem with your furnace or water heater,If you suspect a CO problem with your furnace or water heater, call a qualified heating contractor immediately.

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BGE Introductions

Rob Gould, Vice President, Corporate CommunicationsCharlie Matassa Transmission Planning Principal EngineerCharlie Matassa, Transmission Planning Principal EngineerMilt Branson, Local Affairs ManagerScott Woodall, Property Development AnalystEric Jacobson, Senior Project ManagerScott Barhight, BGE Counsel

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Background – Baltimore Gas & Electric

• BGE serves more than 1.2 million business and

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residential electric customers over 2,300-square-miles and more than 650,000 gasmore than 650,000 gas customers over 800-square-miles, encompassing Baltimore City and all or part ofBaltimore City and all or part of 10 Central Maryland counties.

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Backgroundg

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Background – Transmission Ringg g

• Power is distributed long distances by 500kV transmission circuits, a system that is interconnected throughout most of the U.S. and Canada to ensure reliability These lines act muchreliability. These lines act much like an interstate, while substations act as off-ramps, slowing power down to 230kV so BGE ithi thBGE can move power within the BGE service territory. Power then moves to 115kV lines, which feed distribution substations.

• The 500kV, 230kV, and some 115kV circuits are governed by PJM and NERC

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Background – PJM Interconnection

• PJM Interconnection is a federally regulated regional

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federally regulated regional transmission organization (RTO) that coordinates the supply of

h l l l t i it i llwholesale electricity in all or parts of 13 states and the District of Columbia.

• PJM acts independently and impartially in managing the regional transmission system and the wholesale electricity market.

• PJM ensures the reliability of the largest centrally dispatched grid in North America.

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Background – Federal Transmission Standards

BGE’s transmission system must comply with the Federal standards of the North American Electric Reliability Corporation

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y p(NERC) and PJM guidelines for maintaining electric reliability across the regional transmission system.

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Background – Transmission Line Reliabilityg y• BGE and PJM look out as far as

15 years to identify those projects that are needed toprojects that are needed to maintain reliability.

• PJM anticipates increased electric system demand over the

t fnext few years.• Existing 230kV transmission

circuits between the Northwest substation in Baltimore Co. (near (I-795) and the Conastonesubstation in Harford Co. is not currently expected to meet reliability standards by 2015reliability standards by 2015.

• The delay of this project could affect BGE’s ability to ensure continued reliability.

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Emory Grove Substation – The Solution• PJM has endorsed a new 500kV/230kV transmission substation at or near the

Northwest substation as the most effective way to ensure future reliability. • In 2005, BGE began its search for potential substation site candidates. The search

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, g pencompassed properties bordering BGE’s transmission corridor, heading northeast toward the Conastone Substation. The only property that meets all requirements is the Camp Holiday tract. − Availability− Property size− Proximity to the existing transmission circuits

• BGE has completed planning and has begun the design phase of the project. • While we don’t know all the answers, we do know that the new substation will

require a rebuilding of the 230kV transmission lines between the new substation and the Northwest substation, including the replacement of the existing lattice structures with steel pole structures. This project will require a Certificate of Public Convenience and Necessity (CPCN) from the Maryland Public Service Commission (PSC).(PSC).

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Emory Grove Substation – The Solutiony

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Emory Grove Substation – The LocationyCamp

Holiday

Northwest Substation

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Emory Grove Substation – The Propertyy p y

Tentative

• While the size of the property Tentative

area for substation

totals at 90 acres, BGE is only proposing t di tlto directly impact 30 to 40 acres.

Property access via

Kemp RoadKemp Road

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Emory Grove Substation – The Benefits• Substation would be located adjacent to existing transmission

corridor; no new transmission corridor is required for this j t

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project.• Substation will make it easier to transport power into BGE’s

service area thereby improving overall reliability and minimizing rare need to impact residential and business customers.

• Substation will not enable further development of the local Reisterstown area; it will however increase reliabilityReisterstown area; it will, however, increase reliability.

• Our commitment: − BGE has no plans to subdivide the Camp Holiday property− BGE will manage this property safely and responsibly− BGE will partner and communicate with the community− BGE will listen to and respect the concerns of the communityBGE will listen to and respect the concerns of the community

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Kemptown Substation Project is Unrelated• Kemptown Substation will be the

eastern terminus of a new 765

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kV transmission line (AKA, PATH project; NOT a BGE project).

• Focus of PATH project: Enable more inexpensive power to flow into the Mid-Atlantic Region.

• Focus of Emory Grove project:Focus of Emory Grove project: Greater reliability of electricity in BGE’s service territory.

• Kemptown Substation Project and Emory Grove Substation Project are unrelated.

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Substation Design Approach• Safety for the community and BGE personnel • Industry Standards – PJM, ANSI, and IEEE

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• BGE Design Practices• Code of Maryland Regulations (COMAR)

o Permittingo Permittingo Noise mitigation

• Baltimore Countyo Zoning & Permittingo Zoning & Permittingo Environmental requirements

• Cost effectiveness from a rate perspective• Community engagement • Electromagnetic field (EMF) considerations• Landscaping & visual screening• Landscaping & visual screening

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The Community• We will secure the site with a locked gate; substation by a locked fence.• We will landscape the area to provide screening; parts of the substation

d t i i t t ill b i ibl t th t b d

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and new transmission structures will be visible at the property boundary.• We will study substation noise and implement recommended noise

mitigation measures.• We will evaluate electromagnetic fields (EMF) during design to minimize

emissions during operation. • We will safely mitigate traffic during the construction phase.• We will ensure that traffic during substation operations will be minimal.• We are open to placing portions of the unused land in a land trust or

conservation agreement.conservation agreement.

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Estimated Timeline2010 – Settled on Camp Holiday Property2011 – Develop and Finalize Substation & Transmission Line Site Layout0 e e op a d a e Subs a o & a s ss o e S e ayou2011 – Submittals for Zoning & Land Development Approval2012 – Complete Detailed Design2013 St t S b t ti & T i i Li C t ti2013 – Start Substation & Transmission Line Construction2015 – Complete Construction & Start Substation Operations

Our Commitment to You - No Surprises!

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Questions & Answers

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Future Communications

• BGE is committed to an open dialogue with the community. I i i h ld b t t E i J b BGE P j t

Future Communications

Inquiries should be sent to Eric Jacobson, BGE Project Manager, via the Hanover Road Association.

• Future community meetings will be planned when more y g pinformation is available.

• Established communications with specific neighbors, groups & elected officials will continue with the previously designatedelected officials will continue with the previously designated BGE person (Scott Woodall, Milt Branson, and Eric Jacobson).

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Thank YouThank You

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