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.

    Ancillary Services procurement

    Ancillary services are essential for providing Albertans with safe, secure and reliable electricity. These services include Operating Reserve, Transmission Must-Run, Black Start services, and Load Shed Services for imports.

    We are committed to using a fair and transparent competitive procurement process for ancillary services whenever possible.

    Current opportunities

    Load Shed Services for imports

    The submission deadline has passed for the Load Shed Services for imports (LSSi) Request for Proposals (RFP) and the competition is now closed.

    LSSi procurement resources

    Key dates

    Black Start Services

    The Request for Proposals for Black Start Services in Northeast Alberta is now closed.

    Black Start procurement resources

    Key dates