Regulatory Law Chambers


Energy Regulatory Law

Our advice is practical and strategic. Our advocacy is effective.

Regulatory Law Chambers is a Calgary-based boutique law firm dedicated to excellence in energy regulated matters. We have expertise in oil and gas, electricity, renewable energy, climate change, tolls and tariff, regulated commercial, compliance and environmental legal matters.

We frequently represent clients in proceedings before the Alberta Utilities Commission, the Alberta Energy Regulator, the National Energy Board, the Courts, and in arbitrations and mediations.


Contact us


#601, 888 Fourth Avenue SW
Calgary, Alberta
T2P 0V2   Canada

Phone: 403-930-7991
Fax: 403-930-7998

Areas of practice

Photo by artJazz/iStock / Getty Images


Negotiating and entering into commercial arrangements, including disposition of regulated assets, power purchase agreements, and royalty agreements. Commercial arrangements and regulatory matters related to natural gas liquids.

Photo by Mitja Derenda/iStock / Getty Images


Obtaining regulatory approvals for electricity, and oil and gas related facilities, including pipelines, processing facilities, well licences, holding applications, industrial system designations, power plants and related facilities.

Photo by comzeal/iStock / Getty Images

Tolls & Tariffs

Legal matters related to fracturing activities, including seismicity and cross-flow matters; Tolls and tariff matters; Regulatory enforcement and environmental compliance.

Our team

Rosa Twyman

Rosa is an energy regulatory lawyer who has exclusively practiced law in the energy industry since 2001, first as commercial oil and gas litigation counsel, and then specializing as an energy regulatory lawyer in oil and gas and electricity matters.


John’s achievements include being selected for the Vancouver School of Economics' prestigious honours program. He also authored a thesis that investigated the effects of market reforms and environmental regulations on prices and efficiency in the electricity generation industry.

Stephanie Hryciw

Stephanie has worked in the regulatory industry since 2008. Stephanie provides paralegal and regulatory coordinator services to the lawyers at Regulatory Law Chambers, assisting with research, and the preparation and filing of regulatory submissions. 

Specialists and advisors

Regulatory Law Chambers engages specialists and advisors from time to time as the demands of larger project approvals and proceedings may warrant. These select industry experts have distinguished themselves in related areas of practice and provide expertise and support for larger matters as needed.