Onsite – Combined Cycle Journal

October 21 Webinar: Automating Hydrogen Purge to Maximize Power Plant Safety

Generator Users Group / By

Tuesday, October 21, 2025 1:00 PM – 2:00 PM | (UTC-04:00) Eastern Time (US & Canada) Webinar Agenda Hydrogen can pose significant challenges to owners, operators, and maintenance personnel from the standpoint of safety, risk mitigation, and demands for increased efficiency. As a result, the Generator Hydrogen Auxiliary System demands close attention, with proper maintenance, […]

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Reliability and Cost-Saving Enhancements at Nebras Power

Best Practices / By

Nebras Power IPP1 Jordan Owned by Nebras Power, Mitsui, and AES Corp Operated by Nebras Power IPP1 Jordan 400 MW, gas fired with diesel-oil backup, 2 × 1 combined cycle powered by AE94.2 gas turbines, located in Al Manakher, Jordan Plant manager: Feras Hammad Removing moisture from steam-turbine lube oil Background. Lube-oil quality is a

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NAES leadership investment powers long-term success

Best Practices, CCUG / By

Developed by and conducted for employees of NAES Corp to ensure the company’s ongoing success Academy team leader: Alan Bull, VP, O&M services  Challenge. In evaluating its success in becoming the largest provider of third-party energy services, NAES Corp recognized that its success is based largely on the leadership demonstrated by its employees at all

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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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