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Costs Orders

We issue costs orders to companies after AER hearings. Cost orders require companies to pay for some of the expenses incurred by participants to take part in a hearing. Hearing participants may apply for a cost order by submitting their cost claims to the AER.

A participant can be a person, group, or association of persons who have been permitted to participate in a hearing.

Order NumberCompany NameApplication NumberDescriptionDate Sort ascending
AERCO 2024-001Concourse Petroleum Inc.31800011, 31534392 and 31534137

Applications for Three Sour Oil Well Licences

AERCO 2022-001Whitecap Resources Inc.382273

Regulatory Appeal of Reclamation Certificate 382273

AERCO 2021-004Benga Mining Ltd.1902073

Application for the Grassy Mountain Coal Project

AERCO 2021-003Prosper Petroleum LimitedOil Sands Conservation Act application 1778538

Redetermination of Oil Sands Conservation Act application 1778538 for the Rigel Project.

AERCO 2021-002Prosper Petroleum LimitedOil Sands Conservation Act application 1778538

Redetermination of Oil Sands Conservation Act application 1778538 for the Rigel Project.

AERCO 2021-001Shell Canada LimitedRegulatory Appeal 1921272, Cost Application 1932013

Regulatory Appeal of Pipeline Licence 23800-99 - Carbondale Pipeline System

AERCO 2019-002Teck Resources LimitedOSCA 1709793, EPEA 001-00247548, Costs Order 2019-02, WA 001-00303079, and WA 001-00303091, Costs Application 1918076

Applications for the Frontier Oil Sands Mine Project

AERCO 2019-001Canadian Natural Resources LimitedApplications 158722 and 158850

Applications for Three Pipelines and a Free-Standing Liner

AERCO 2018-001Bashaw Oil Corporation1842705, 1851246, 1851250, and 001-00400207, Costs Application 1905494

Applications for Proximity Critical Sour Wells

AERCO 2018-002Value Creation Inc.1861615, 005-203303, Cost Application 1907651

Application to Amend OSCA and EPEA Approvals