7F Users Group – Combined Cycle Journal

7F Users Group

Pump health audit sharpens outage planning

Planned work outages are an exercise in efficiency and preparation. As global power demand continues to increase, plant operators are compelled to execute required maintenance within increasingly shorter outage windows. The pressure on already stretched labor resources and the strict O&M budgets compounds the challenge of outage planning. Getting better information on equipment health offers […]

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Turbine tips: White powder and blueish buckets

By David Such, Such Turbine Consulting LLC Editor’s Note: CCJ welcomes Dave Such as a regular contributor to Turbine Tips. Dave recently retired from Xcel Energy after a 40-year career focused on the operation and maintenance of GE 7F gas turbines. The Combined Cycle Users Group recognized his contributions to the industry with its Individual Achievement

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Exhaust liner failures: Why small defects turn into forced outages

Ask Scott Schreeg of SVI Bremco what turns a manageable exhaust-liner repair into a forced outage and the answer gets specific fast: a failed stud weld, a loosened sheet, or a hotspot hidden behind the liner system. None looks catastrophic at first glance. But once exhaust flow starts working behind the liner, the problem can

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How GE Vernova’s Houston Learning Center drives plant performance

As the power industry evolves to meet growing demands for reliability, flexibility, and decarbonization, the success of any power plant depends on one constant: the expertise of the people who operate and maintain it. While advanced technology drives the energy transition, it is a skilled workforce that keeps critical assets running safely and efficiently. At

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Proactive turbine-oil maintenance moves to the front line of reliability

A turbine end user could once treat lube-oil management as background maintenance. That is no longer a safe assumption. During a recent CCJ webinar offered by C.C. Jensen on proactive turbine-oil maintenance and varnish control, presenter Eddie Rowland, joined by former GE Vernova engineer Tom Freeman and Duke Energy lead engineering technologist Steve Malec, made

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PACESETTER PLANT: Upgrading critical auxiliary equipment at Treasure Coast Energy Center

…And other things that can keep a plant manager up at night  By Joseph Harmes, consulting editor  The U.S. is undergoing a transformational shift in how energy is used and generated as demand rises at its fastest rate in 20 years, spurred by electric vehicles and a proliferation of energy hungry data centers. The nation’s 12,500 utility-scale power plants, meanwhile, struggle just to satisfy mounting

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June 16 Webinar: Proactive Turbine Oil Maintenance and Varnish Control

This joint educational webinar equips gas turbine operators and maintenance leaders with guidance and best practices for proactive turbine oil maintenance and varnish control, enabling high turbine availability, long‑term reliability, stable performance, and lower O&M cost. Eddie Rowland, CC Jensen’s clean‑oil expert, will outline modern oil‑management strategies, while Steve Malec, reliability expert at Duke Energy,

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7F Users Group: 2026 conference focuses on fleet reliability, outages, and controls

The 2026 7F Users Group Annual Conference is scheduled for May 18-22 at The Woodlands Waterway Marriott Hotel & Convention Center in The Woodlands, Tex. The agenda combines offsite shop tours, vendor solutions presentations, user-only technical sessions, and GE Vernova sessions addressing outage execution, controls modernization, casing condition, TILs, and RCAs. 2026 steering committee Chair:

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7FUG 2025: First-time users reap a wealth of experience from veterans

Among the portfolio of conferences under the umbrella of Power Users, the 2025 7F Users Conference certainly vies for the one with the most content shared directly from owner/operator (O/O) organization representatives. Which makes it especially valuable for the ~50% of attendees who were first timers. One key take-home tidbit: Most, if not all, of

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7FUG 2025: Aftermarket suppliers target fleet life extension

The 7F Users Group’s 2025 vendor and solutions-provider program highlighted how much of the reliability discussion now extends beyond the gas turbine itself. Presentations covered rotor life extension, compressor stator-vane looseness, generator inspection and hydrogen-purge safety, controls calibration, intake filtration, lube-oil varnish, leak detection, coupling-bolt replacement, and owner’s-engineer support. Together, the sessions gave users a

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