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Heartland Transmission



Keephills Unit #3 Interconnection - 1202L Energization

 

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Overview 

The 1202L transmission line is located between the city of Edmonton and the Wabamun area and connects the Keephills and Ellerslie substations. The Alberta Electric System Operator (AESO) has requested that AltaLink increase the voltage of its existing 1202L transmission power line from 240 kV (240,000 volts) to 500 kV (500,000 volts). The line was originally designed and built for a voltage of 500 kV, but to date has been operating at 240 kV.

Project Details

Communities involved: City of Edmonton and the Wabamun area
Line Voltage: Increased from 240 kV to 500 kV
Structure type: Single circuit 500 kV lattice tower

Project schedule

Fall 2008 - Spring 2009       Consultation with stakeholders
May 1, 2009       File application with the AUC
October 2009       Proposed start of project (pending AUC approval)
June 2010       Approximate In-Service Date

 

AltaLink Stakeholder Information Brochure

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