South and West of Transmission System Development

Why is Development Needed? The Electric System Operator (AESO) The potential transmission system is responsible for the safe, reliable and efficient developments include: n a new 240/138 kV substation just planning and operation of the transmission system. north of Leduc 656 18 18 n a new 240/138 kV substation south The AESO has identifiedWestlock the need to the area. Transmission system

2 of Stony Plain reinforce the transmission system south developments are required to ensure n new 138 kV and 240 kV transmission and west of Edmonton to meet the growing the system has sufficient capacity to lines south and west of Stony Plain demand for electricity from residential, meet this forecasted growth. and south and east of Edmonton commercial and industrial growth in Redwater Legal n rebuilding 240 kV transmission lines 651 around south Edmonton n potential modifications to the Acheson 28 Bon Accord 305S, Carvel 432S, Cooking Lake 522S, Bruderheim Sandy Lake East Camrose 285S, Ellerslie 89S, 642 Gibbons Leduc 325S, Nisku 149S, N.W. Cardiff 29 Lamont 191S and 352S substations. 37 The approximate areas where potential

15 transmission system developments may St. Albert occur are shown in the map. 43 Big Lake

16 16 16 Stony Plain Spruce EDMONTON Grove 627

60 Cooking Lake 770

Devon Beaumont 39 Leduc Calmar Miquelon Lakes

2A

778 616 795 Bittern Lake 616 Millet 616

21 Camrose Coal Lake 616 2 26 Pigeon Lake 13

Proposed Development Areas Battle River

The map indicates the approximate area where the need for transmission development has been identified. The Transmission Facility Owner will propose specific substation sites and transmission line routes that may be located inside or outside the area shown. Who is the Alberta Electric System Operator? The AESO is an independent, not-for-profi t organization acting in the public interest of all Albertans. The AESO has no fi nancial interest or investment of any kind in the power industry.

Alberta’s transmission system is planned AESO AND TFO ROLES detailed siting and routing, constructing, and operated by the AESO. The AESO’s The AESO operates the provincial operating and maintaining the associated role is to maintain safe, reliable and effi cient transmission system so that all Albertans transmission facilities. The AESO operation of the transmission system, can count on safe and reliable electricity will direct AltaLink to fi le facility sometimes referred to as the Alberta to power our homes and businesses each applications with the AUC which will Interconnected Electric System (AIES). and every day. The AESO also carefully include detailed descriptions and locations The AESO’s planning responsibility includes plans upgrades to the system to ensure of the proposed transmission facilities. determining the need for transmission we keep pace with Alberta’s growing system development and the manner in demand for power. which that need is met. The AESO is also There are four major TFOs in Alberta: mandated to facilitate the interconnection AltaLink Management Ltd. (AltaLink) • ATCO Electric Ltd. of qualifi ed market participants to the AIES. is the TFO in the project area. While the • AltaLink Management Ltd. AESO is responsible for identifying that • EPCOR Utilities Inc. When the AESO identifi es a need for new transmission system development is • ENMAX Power Corporation or upgraded transmission lines, substations needed, AltaLink is responsible for or other equipment associated with the transmission system, and has determined how it proposes to address this need, the AESO prepares a Needs Identifi cation REGULATORY PROCESS Document (NID) with this information and fi les it with the Alberta Utilities Commission AESO Process Alberta Utilities (AUC) for approval. The AESO will direct the Commission Process Transmission Facility Owner (TFO) in the AESO Identifi es Need for area to begin work on the project. Transmission Development

As part of the AESO’s planning, we AESO Consultation have verifi ed a need to reinforce the (Mailouts, Open Houses, transmission system in the area south Meetings) and west of Edmonton. We have evaluated the technical merits and AESO Applies to AUC cost considerations for a number Approval of Need for Approval of Need* of options to meet the need, and narrowed the choices down to one viable solution. We would like to AESO directs the TFO gather stakeholder feedback on to fi le Facility Application this proposed solution.

TFO Process

To Learn More About TFO Consultation, Detailed the Regulatory Process: Design, Routing and Siting Please contact the Alberta Utilities Commission (AUC): TFO Applies to the AUC Approval of Siting and WEB: www.auc.ab.ca for Approval of Siting and Routing, and to Construct Routing, and to Construct EMAIL: [email protected] and Operate and Operate PHONE: 780-427-4903 (dial 310-0000 before the 10-digit number to be connected toll-free from * Need for specifi ed Critical Transmission Infrastructure projects are approved anywhere in Alberta) by the Lieutenant Governor In Council (LGIC) Power Lingo The electricity industry has a language all its own.

TRANSMISSION SYSTEM RELIABILITY The transmission system comprises the Electric system reliability is the ability high-voltage lines, towers and equipment of a system to respond to the changing (generally 69kV and above) that transmit demand for power from consumers. electricity from generators to lower It also describes a system’s ability to voltage systems that distribute electricity withstand sudden disturbances, like to cities, towns, rural areas and large bad weather or unanticipated industrial customers. equipment failure. Open Houses ALBERTA INTERCONNECTED SUBSTATION ELECTRIC SYSTEM (AIES) Substations are the connection point You’re invited…we’re listening The system of interconnected between high-voltage transmission lines The AESO invites you to join us in an transmission power lines and generators and the lower voltage power lines that upcoming Open House to discuss the managed by the AESO, that ensures the connect directly to homes and businesses. need for transmission development in supply of electricity matches the demand the area south and west of Edmonton. for power every second. KILOWATT (KW) AND n Stony Plain KILOWATT HOUR (KWH) Monday, November 28 Power is measured in watts. One kilowatt Stony Plain Community Centre equals 1,000 watts. Imagine 10 lamps lit 5008 – 51 Avenue with 100 watt bulbs for one hour. At the 4 to 8 p.m. end of the hour, you will have used one n kilowatt hour of electricity. Electricity Tuesday, November 29 retailers typically bill households in Melcor Hall, Pioneer Centre kilowatt hours. 301 Jespersen Avenue 4 to 8 p.m. NEEDS IDENTIFICATION n Devon DOCUMENT (NID) Wednesday, November 30 A Needs Identifi cation Document Braun Hall, Community Centre describes either the conditions that will 20 Haven Avenue affect the operation and performance of 4 to 8 p.m. the transmission system or the need to improve the effi ciency of the transmission n Leduc system, and indicates how these will be Thursday, December 1 addressed. Siting of facilities and routing Royal Canadian Legion of transmission lines are determined later Branch 108 in the Regulatory Process. 5210 – 50 Avenue 4 to 8 p.m.

n Edmonton Monday, December 5 Hampton Inn Edmonton South 10020 – 12 Avenue SW 4 to 8 p.m. Please join us at any of these events. AESO staff will be on hand to discuss the need for this project and address any questions or concerns.

After receiving stakeholder input, the AESO will prepare and fi le a NID with the AUC for approval. Other Projects in the Area For More The following is a list of other projects in your area Information that you may have heard about or that may be coming The AESO appreciates your views soon. Each of these will follow the Regulatory Process, on the need for transmission system with the AESO submitting need applications and TFOs development and your comments are encouraged. If you have any submitting facility applications to the AUC for approval. questions or suggestions regarding the need for the proposed Lake Wabamun and Edmonton Region Leduc 325S Substation and transmission system development 240 kV Reinforcement Transmission Line Development in the area south and west of The AESO has identified the need for Commercial, residential and industrial Edmonton or the AESO’s application system reinforcement to the 240 kV system development in and around the City of regarding this need, please attend in the Edmonton area to relieve constraints Leduc is increasing demand for electricity. one of the upcoming open houses on the existing transmission system and Therefore, a new transmission line and or contact: to serve increasing electrical demand in substation are required. Megan Harris Edmonton and the northeast region. These EPCOR Poundmaker AESO Stakeholder Relations developments include rebuilding existing 240/25 kV Substation EMAIL: 240 kV transmission lines, building a new [email protected] 240 kV transmission line, and modifying Residential and industrial growth in an existing substation. northwest Edmonton has determined PHONE: the need for a new substation connecting 1-888-866-2959 into existing transmission and distribution The AESO facilitates Alberta’s ADDRESS: lines in the area. 2500, 330 – 5th Avenue SW fair, efficient and openly , Alberta T2P 0L4 competitive wholesale electricity Spruce Grove Substation Residential and industrial growth in market, which in 2010 had about To learn more about the complex the Spruce Grove area has determined electricity industry and its the need for a new substation connecting 175 participants importance to our quality of life into existing transmission and distribution and approximately and the province’s economic lines in the area. well-being, please visit $5 billion www.poweringalberta.com in annual energy transactions.

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