Your browser is no longer supported

To get the best experience with www.aeso.ca, we suggest using a newer version of Internet Explorer/Edge, or using another supported browser such as Google Chrome.

ETS users may continue to log in using Internet Explorer 9 using the upper right hand link marked ETS Login.

Base Cases

Base cases contain energy infrastructure information, and are used for studies and planning. Due to the security level of this information (Critical Energy Infrastructure Information classification), our consent is required to access base case data.

Read our Request for Access to Critical Energy Infrastructure Information (CEII) backgrounder
Market Participant Guide: AESO CEII Request Portal – MP Guide
Download our CEII request form

Email your completed request forms to PSMM@aeso.ca.

AESO Base Case Catalog[Posted: September 24, 2021]

The AESO held a virtual stakeholder information session on the latest technical practice on transmission system modelling on Aug. 14, 2021. View the Transmission Modelling Information Session.