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EHF2025 highlights industry’s growing challenges with aging HRSGs and flexible operation

HRSGs / By

2026 Annual Conference       Prato, Italy       May 19–21 The eleventh annual European HRSG Forum (EHF2025), held May 13–15 in Prato, Italy, drew 95 participants from 20 countries, including 27 users. Co-chaired by Barry Dooley of Structural Integrity and Bob Anderson of Competitive Power Resources, EHF2025 continues its mission of advancing best practices […]

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Quail Run: Cooperation on water use benefits both power generator, industrial neighbor

7EA Users Group / By

Quail Run Energy Center Owned by Starwood Energy Group Global Operated by NAES Corp 550 MW, two 2 × 1 7EA-powered combined cycles equipped with A10 steam turbines, located in Odessa, Tex Plant manager: Andy Duncan Background. Upon learning that a dig permit had been issued for property close to Quail Run, plant management arranged

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Proven practices and new technologies for HRSG reliability

HRSGs / By

Report from the Australasian Boiler and HRSG Users Group Update: Join us in November… 2025 Annual Conference Brisbane, Australia November 25-27 www.abhug.com The Australasian Boiler and HRSG Users Group Conference and Workshops (ABHUG 24) was held December 3-5, 2024, in Brisbane, Queensland, Australia. ABHUG is supported by the International Association for the Properties of Water

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How the GT exhaust-thermocouple correction coefficient came to be 

7EA Users Group, Controls, Frame 6 / By

LEGACY CONTROLS FORUM, NO. 5 IN A SERIES  By Luke Williams, PE, consultant www.geLegacyGasTurbineSupport.com Editor’s note. This article is based on material presented by the author in his training courses on gas- and steam-turbine controls to explain the reason for the algorithm described and how it works. Email clukewilliams@mindspring.com and ask to be notified of

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Damage report on a Mark I SCR static-exciter failure

7EA Users Group, Controls, Frame 6 / By

LEGACY CONTROLS FORUM, NO. 6 IN A SERIES By Luke Williams, PE, consultant www.geLegacyGasTurbineSupport.com An MS7001B gas turbine with Mark I Speedtronic™ controls and SCR static exciter-regulator experienced overcurrent damage to its exciter on a normal startup. Operators think the overexcitation event lasted for several minutes. However, an overexcitation alarm was not received and the

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Boosting Engine Reliability and Efficiency at AES Levant Power Plant

Best Practices / By

AES Levant Power Plant Owned and operated by AES Corp 250 MW, tri-fuel peaking facility consisting of 16 diesel/generators, located in Al Manakher, Jordan Plant manager: Feras Hammad Charge-air-receiver crack repair: welding versus epoxy paste Background. Wartsila 18V50DF engines (16 in total) are the core components in the AES Levant Power Plant. The subject of

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Advanced controls strategy and fundamentals @ PPCUG 2024

Controls / By

“Controls Items for Consideration” collects round-robin thoughts and ideas on Mark series controls from one specialist representing one of the largest owner/operators in the nation. Topics include logic for verifying valve functionality prior to unit operation, end of support for HMI (human-machine interface) Windows Server 2012 R2 Operating System and network switches, simulators, lube oil

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Generator users share failures, fixes, and forward planning @ GUG 2024

Generator Users Group / By

The GUG kickoff roundtable discussion focused on a few specific topics which offer food for thought for those not in attendance. Among them: Can a flux probe (FP) detect pitting of the retaining rings? One user noted that FP readings showed nothing prior to an outage but extensive pitting on retaining ring inner diameter was

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Focus on D11 strategies, EHC pitfalls, and skilled labor shortages @ STUG 2024

STUG / By

A spirited Roundtable discussion among users kicked off the conference. Some of the more salient topics and concerns include: Changing maintenance strategies to reflect cycling of baseload designed units. Frequency of inspecting l-p blades for erosion from low-load operation (several say once a year, one user inspects twice annually) Incorporating drones into inspection programs (they

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Addressing weather resilience, risk management, and outage execution @ CCUG 2024

CCUG / By

  In recent years, winterization has become a hot topic for user groups, and this year’s CCUG was no exception. One reason is that the next extreme weather event seems to challenge everything done to address the last one. During the “Extreme Weather Operation” roundtable, the user facilitator noted that “bomb cyclone weather forced us

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