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ATC Public Reports

The data reported here are the Available Transfer Capability (ATC) limits for the AB-MT, AB-BC and AB-SK intertie lines, and reflect conditions on the Alberta electric grid, as well as conditions in which Alberta's Transmission Reliability Margin (TRM) is increased on British Columbia or Saskatchewan or Montana intertie lines. Interested parties should reference the AESO's Long Term Critical Transmission Outages and Approved Outages.


Using this query, Alberta ATC data can be obtained for historical dates starting Nov 22, 1999, and for forecasted dates up to thirteen months into the future. The results can be displayed on-screen or downloaded to a .csv file.

Available ATC Reports: