HRSGs – Combined Cycle Journal

HRSGs

Collaboration may not be a choice as screws tighten on CC plants

2025 POWER USERS COMBINED CONFERENCE RECAPS Combined Cycle Users Group Steam Turbine Users Group Generator Users Group Power Plant Controls Users Group Future electricity demand growth accelerates. Supply chain constraints intensify. Carbon emissions rules ease. Existing combined cycle (CC) major equipment from the last boom (1997-2003) closes in on original end-of-life dates. Construction of hyper-scale data […]

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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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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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Low Load Operation and its Impacts on Heat Recovery Steam Generators (HRSGs)

By Christopher Schroeder and Daniel Michels, Vogt Power International Preface The ability to operate combined cycle power plants to efficiently meet a variety of power demands continues to drive change within the power industry. Combustion turbines (CTs) are central to this flexibility, with low load operation providing greater operating range. Heat Recovery Steam Generators (HRSGs)

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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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EHF2026 keeps focus on recurring HRSG failure modes

The 12th IAPWS European HRSG Forum, EHF2026, met May 19-21 at Monash University in Prato, Italy, with Barry Dooley of Structural Integrity, UK, and Bob Anderson of Competitive Power Resources, USA, serving as co-chairs. The forum remains one of the more concentrated technical exchanges for combined-cycle users, suppliers, consultants, and HRSG specialists because it stays

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ABHUG25: Practical solutions for boiler and HRSG reliability

The annual meeting of the Australasian Boilers and HRSG Users Group (ABHUG) was held in Brisbane, Australia, November 25-27 2025. Conference and workshop participants joined from Australia, Austria, Germany, New Zealand, the UK and US. The core technical content of this 17th annual gathering featured 24 presentations and concurrent exhibition, and was sponsored by HRL,

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HRSG Forum 2025: Owners confront aging assets, cycling duty, upgrade impacts

HRSG Forum 2025 was held in July at The Woodlands Waterway Marriott, The Woodlands, TX. This included a full-day workshop, two days of owner/operator and service provider discussions, a day of EPRI Technology Transfer, and a final-day tour of ValvTechnologies in Houston. The Forum was again co-chaired by Bob Anderson, Competitive Power Resources, and Barry

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Maximizing the lifespan of CO catalyst: What operators should check before ordering replacement

For many gas-turbine users, CO-catalyst trouble shows up first as a compliance headache: stack CO starts climbing at low load, differential pressure changes, and the plant is forced to decide whether it is looking at a cleaning issue, a system issue, or end-of-life catalyst. That decision now carries more economic weight than it did a

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