We use cookies and other web tracking technologies to improve our services, identify areas for repair, better understand what our customers use and don't use, and for marketing services. To learn more, visit our Privacy Commitment.
Skip to main content
Greg Retzer
​​​​​​​​​​​​​​​​​ Greg Retzer

Executive Vice President, ENMAX Energy​

Greg oversees ENMAX Energy and is accountable for ENMAX's competitive energy businesses including electricity generation, retail and customer operations, wholesale commodity trading and commercial programs.

With nearly 30 years of industry experience, Greg’s technical background and business acumen bring strong operational performance and safety leadership to the team. He has worked in various senior roles in business operations and development, including positions with the Alberta Electric System Operator (AESO) and Stantec, and has led teams and projects across the U.S. and Canada in the electricity, telecom, engineering and data management industries.

Prior to his role with ENMAX Energy, Greg held the position of Vice President, Field Services with ENMAX Power, leading his team to achieve operational improvements and safety culture advancements.

Greg holds a Bachelor of Science in Geography from the University of Calgary and an MBA from Georgia State University.



Customers are free to purchase natural gas services or electricity services from a retailer of their choice. For a list of retailers, visit ucahelps.alberta.ca or call 310-4822 (toll free in Alberta).