Alberta Energy Regulator (AER)

Oil and GasAlberta, Canada1001-5000 Employees

The Alberta Energy Regulator (AER) is a regulatory authority governing the oil and gas sector in Alberta, headquartered in Calgary. It oversees hydrocarbon resource development across its life cycle to ensure safety, efficiency, orderly progress, and environmental responsibility, including the allocation and conservation of water resources, management of public lands, and protection of the environment while providing economic benefits for Albertans. The regulator operates to balance these duties with the broader interests of the province’s energy economy.

Its core mandate is to govern industry activity by enforcing standards and directives that shape how resources are developed, operated, and managed under Alberta's regulatory framework. In performing this role, it monitors compliance and safety measures to support responsible resource development within the oil and gas sector. A notable recent development is the November 2025 launch of AERH2S, an updated model for calculating Emergency Planning Zones for sour gas operations.

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