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Alberta Electrical System Operator, RES Forty Mile Wind GP Corp. and AltaLink Management Ltd. Forty Mile Wind Power Plant Connection Applications, AUC Decision 27492-D01-2022

Link to Decision Summarized

Wind Power – Facilities


In Decision 26910-D01-2021, the AUC approved the construction and operation of the Forty Mile Wind Power Project and the Forty Mile 516S Substation.

Building a new transmission facility in Alberta requires two kinds of applications. The first is the needs application filed by the Alberta Electric System Operator (“AESO”). The second is a facility application filed by a transmission facility owner proposing equipment to meet the AESO’s identified need regarding factors such as location, detailed design and routing considerations, and consultation with potentially affected persons. The AESO filed a needs application to connect the Forty Mile Wind Power Project to the Alberta Interconnected Electric System (“AIES”). RES Forty Mile Wind GP Corp. (“RES Forty Mile Wind”) and AltaLink Management Ltd. (“AML”) filed facility applications for permission to construct and operate the facilities to meet the need identified by the AESO.


The AUC found that approval of the needs identification document application from the AESO and the facility applications submitted by RES Forty Mile Wind and AML are in the public interest. Accordingly, the AUC approved the needs identification document application and the applications to construct and operate the necessary facilities to connect the project to the AIES.

Applicable Legislation

Alberta Utilities Commission Act, SA 2007, c A-37.2 – ss. 9 and 17.

Hydro and Electric Energy Act, RSA 2000, c H-16 – ss. 14, 15, 18, 19 and 21.

AUC Rule 007: Applications for Power Plants, Substations, Transmission Lines, Industrial System Designations, Hydro Developments and Gas Utility Pipelines

Transmission Regulation, Alta Reg 86/2007 s. 24.31.

Electric Utilities Act, SA 2003, c E-5.1 s. 34.

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