The Combined Cycle Users Group (CCUG) was launched in fall 2011, at its first meeting in San Antonio, as an independent, user-directed group to serve owner/operators of combined-cycle, combined heat and power (CHP), and cogeneration plants. The CCUG is distinguished by the logo shown here and not affiliated with any other group of the same or similar name, nor is it associated with any other industry event.
The organization’s meetings are dedicated to formal presentations and attendee-driven discussion sessions focusing on the design, construction, operation, and maintenance of the integrated plant. Additional topics addressed include NERC and other regulatory impacts on planned operation, environmental rulemakings, plant mods to achieve performance goals, safety initiatives, professional development, skills training, etc.
Combined Cycle Users Group Steering Committee
Photo taken:2016 Conference in San Antonio, TX
2017 Chair: Steve Royall, PG&E
2017 Vice Chair: Phyllis Gassert, Talen Energy
The success of our user group is due to our members and to the industry leaders who have volunteered their time.
Utilities Generation Plant Manager Clearwater Cogeneration Plant City of Riverside Public Utilities
Prior to joining the City, John was Operations & Maintenance Manager for Calpine Corporation Bethpage Energy Center in Hicksville, NY, were he was responsible for two combined cycle plants and one simple cycle peaker. He started his power career with Calpine in Watsonville, CA. Later working at the company’s Agnews and Los Esteros facilities before moving to the east coast. Prior to Calpine, John was in boiler operations at Foster Wheeler Energy Corp in Martinez, CA. John has been with the power industry for twenty seven years.
Manager, Engineering and Technical Services, NVEnergy
Jimmy’s career started working for Alstom as a field service engineer before working at PacifiCorp as their corporate combustion engineer. After a brief stint with Clyde Bergemann in burner project development, Jimmy worked in Morocco as engineering support for TAQA Global before moving back to the US. Jimmy’s expertise is mainly in boiler & HRSG systems. He is currently the corporate Manager of Engineering & Technical Services for NVEnergy working predominantly on combined cycle power plants. He has a BS and MS degree in chemical engineering from University of Utah and an MBA from Westminster College.
Director, Mechanical Services – Engineering & Construction, Calpine Corporation
Brian Fretwell is a Director of Mechanical Services in Calpine Corporation’s Engineering and Construction group. He has been with Calpine for over 13 year where he has provided engineering, project management and field technical advisory services for its gas fired fleet. He currently manages several compliance and reliability initiatives and programs including: Boiler & Pressure Vessel Compliance, Catalyst Management, Covered Piping Systems (High Energy Piping) Assessment Program and Heat Recovery Steam Generator Assessment Program. Prior to joining Calpine, he was with Chevron USA Products at one of its California refineries. He was with Chevron for 11 years where he held a variety of engineering and management positions including Operations Assistant, Project Engineer, Lead Engineer, Plant Support Engineer and Process Hazards Analysis Coordinator. Brian holds a Bachelor of Science in Mechanical Engineering from the University of Washington. He is a licensed Professional Engineer (Mechanical Engineering) in California.
Phyllis Gassert – Vice Chair
Asset Manager, Northeast Region, Talen Energy
Phyllis’s career began as a design engineer for WorleyParsons in Reading, PA in the mechanical engineering department. She then joined Ontelaunee Energy Center in Reading, PA, owned by Dynegy, as the Senior Plant Engineer. Phyllis moved to Talen Energy as the Fossil and Hydro Group Outage Manager in Allentown, PA. Her current role at Talen Energy is the Asset Manager of the Northeast Region. Her overall power experience spans 16 years in combined-cycle activities, such as HRSG upgrades, outage planning of CT Majors, LTSA management, and business/budget planning. Phyllis holds a BS degree in Mathematics from Davis & Elkins College as well as a BS in Mechanical Engineering from West Virginia University.
Operations & Maintenance Supervisor, Puget Sound Energy, Mint Farm Generating Station
Robert is an Operations and Maintenance Supervisor with Puget Sound Energy and has over 27 years of power generation experience. He started his career in the U.S. Navy as a Boiler Technician. Robert spent several years with Calpine and General Electric participating in the construction, commissioning and commercial operation of simple cycle and combined cycle plants ranging from 310 MW to 1214 MW. He is also a member of the Cowlitz County Local Emergency Planning Committee.
Dr. Robert Mayfield
Plant Manager, Tenaska Virginia Generating Station
Dr. Mayfield received his Electrical Engineering degree from Auburn University, MBA from Florida Institute of Technology and Doctorate in Management and Organizational Leadership. He is a retired submarine commander who served on four nuclear submarines, Naval Nuclear Power School Director of Academics supervising over 300 faculty and 5000 students, and instructed nuclear engineering for Naval Reactors. He is plant manager for an 885MW combined cycle power plant near Charlottesville, Virginia.
Power Magazine recognized Dr. Mayfield’s team as “one of the top six gas-fired power plants in the world” in their September 2007 edition. Combined Cycle Journal presented his team 19 best practice awards since 2006 and received the “Decade of Excellence” award. His team also received the 2008 Virginia Governor’s award for Community Service and Volunteerism, 2008 Virginia Career and Technical Education “Creating Excellence” award and in 2010 the Virginia OSHA VPP Star award.
He is a Six Sigma Black Belt and a Lean Engineering Black Belt.
Dr. Mayfield was the Chairman on the Virginia Department of Education Career and Technical Education Advisory Committee. He is a steering committee member for Piedmont Virginia Community College Youth Advisory Committee, Henrico Business Council Education Committee and Vice-chairman on the Virginia Career Education Foundation which reports to the Virginia Governor on workforce development.
Dr. Mayfield Actionable Intelligence book was published in January 2010.
Steve Royall – Chair
Director Fossil, Hydro O&M, PG&E
I have over 35 years in the power generation industry and am currently the Fossil, Solar and fuel cell O&M Director for Pacific Gas and Electric. Operations and maintenance of Geothermal, combined cycle, hydro, reciprocating engine, solar and fuel cell facilities have been the primary focus of my career. I have also served as an operations auditor of multiple generating facilities, am the current co- chairman of the combined cycle users group and am a steering committee member of the EUCG fossil committee.
I have been involved in the construction, startup and commercial operation of over 3500 MW of generation in the western united -states and currently manage over 1600 MW of combined cycle, reciprocating engines, solar and fuel cells sites and 70 employees.
I am the current workforce safety champion for all of Pacific Gas and Electrics energy supply team, am a member of the Chairman’s ethics committee and have been awarded Pacific Gas and Electrics highest honors for environmental performance with the Richard A Clarke award and for safety with the Shermer L Sibley award.
Mission Statement for the Combined Cycle Users Group
Our aim is to be the predominant combined cycle users group by serving in an exceptional manner the interests of Users, customers and the public by pursuing progressive business strategies by integrating our growing knowledge on plant operations and maintenance, customer needs, user-industries and engineering applications.
This site is managed by Users for Users!
Conference dates: August 18-21, 2014
- 64 User attendees
- 59 Vendor attendees (no vendor fair)
Conference dates: September 3-5, 2013
- 80 User attendees
- 40 Vendor attendees (no vendor fair)
Conference dates: October 16-18, 2012
- 36 User attendees
- 26 Vendor attendees (no vendor fair)