Ben Engelby Named General Counsel at Arizona G&T Cooperatives

May 3, 2024

ACES and Arizona G&T Cooperatives (AzGT) announced today that Ben Engelby, ACES’ Vice President of Regulatory and Reliability Services has been named General Counsel for AzGT, effective April 29, 2019. ACES is a nationwide energy management company headquartered in Carmel, Indiana. AzGT, one of ACES’ 21 Members, is an Electric Generation and Transmission (G&T) Cooperative headquartered in Benson, Arizona.

Ben joined ACES in 2012 as Manager of Reliability Compliance, and was promoted to Vice President in April 2017. During his seven years at ACES, Ben provided expertise regarding various regulatory and reliability matters, and has been a trusted advocate for ACES’ Members and Customers. Under his leadership, ACES was able to significantly expand its regulatory and reliability services. He also played an integral role in establishing ACES’ Generation Operations (GOP) services in 2018. “Ben has been a valuable asset to ACES,” stated Mike Steffes, President and CEO of ACES. “This is a great opportunity for Ben, and we are excited for him as he begins this next chapter in his career.”

In his role as General Counsel at AzGT, Ben will report to Patrick Ledger, Executive Vice President and CEO of AzGT, and will be responsible for handling the company’s legal matters. “We have had the opportunity to work closely with Ben over the past several years, and are excited about the knowledge and expertise he is bringing to our team,” stated Patrick Ledger.

Ben has extensive experience in the energy industry, including bulk power operations and electric reliability organization (ERO) compliance. He has served on numerous North American Electric Reliability Corporation (NERC) and Regional Entity committees, including the NERC Compliance and Certification Committee and Members Representative Committee. Ben also serves on the SERC Board of Directors. He is a licensed attorney in the state of California and an active member of the Energy Bar Association. He earned his Juris Doctor from Thomas Jefferson School of Law and his Bachelor of Science in Business Marketing from Arizona State University, W.P. Carey School of Business.

About ACES

ACES transacts more than 6 billion dollars annually on behalf of its Members and Customers, who operate in nearly every wholesale electric market region of the U.S. and have a collective portfolio of approximately 50,000 MW of load and 50,000 MW of generation. Providing services “as agent,” ACES represents its Members and Customers in the marketplace, working to manage energy risk. Because ACES does not buy or sell energy on its own behalf, it avoids conflicts of interest and ensures consistent and complete alignment with the best interests of the organizations it serves.

About Arizona G&T Cooperatives

Arizona G&T Cooperatives (AzGT) provides power to more than 160,000 electric meters and 400,000 people in Arizona, California, and New Mexico through six Class A Member distribution cooperatives. AzGT owns and operates Apache Generating Station, which has a combined gross generating capacity of 605 MW. AzGT operates and maintains more than 622 miles of electric power transmission line and 27 substations across Arizona in addition to over 30 telecommunications towers used for phone and data relay services by its member cooperatives and customers.

Questions for ACES can be directed to Leah Brearley, Managing Director of External Affairs, at (317) 344-7050 or Questions for AzGT can be directed to Geoff Oldfather, Communications and Public Relations Manager at (520) 586-5465 or

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