Team-CCJ – Combined Cycle Journal

GAS TURBINES: Open-market DLN-1 system anchors quick CC-to-GT peaker conversion

Ingenuity is never in short supply in the gas turbine (GT) industry, but some projects do amplify the wow factor more than others. Case in point: A Texas plant where a 1987-vintage, 2×1 7EA combined cycle (CC) cogeneration plant was converted into a peaking facility serving the lucrative ERCOT market. Collaboration among several non-OEM services […]

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AIR-COOLED CONDENSERS: Corrosion, wind, and gearboxes drive the next wave of ACC improvements

STUG / By Team-CCJ

The 15th annual meeting of the Air-Cooled Condenser Users Group (ACCUG) was held July 29-31, 2025, at the Lake Granbury Conference Center in Granbury, TX. Participants included owner/operators as well as leading suppliers and international consultants gathered to discuss improving unit and system performance, share valuable lessons learned, and reduce overall operating expense. Those interested

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Brazil hosts first HRSG Forum América Latina as flexibility pressures rise

HRSGs / By Team-CCJ

The first annual HRSG Forum América Latina was held September 22-24, 2025, at Blue Tree Premium Morumbi, São Paulo, Brazil under the guidance of the newly formed steering committee consisting of: Júlio Paulin, Petróleo Brasileiro S.A Luiz Cortez, Âmbar Energia Willians Nunes, Eneva Luiz Felippe, ENPERA Assessoria Empresarial Ltda This inaugural event focused on issues

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Automated reports provide rapid plant insight and understanding at HKW Freimann

Aeros, Best Practices / By Team-CCJ

HKW Freimann Power Plant Stadtwerke München 125-MW cogeneration facility powered by LM6000PF+ gas turbines located in Munich, Germany. Plant manager: Simon Weig Background. HKW Freimann is one of Munich’s major powerplants, supplying power and heat and incorporating district-heating assets, heat storage, and battery storage. In 2020, Stadtwerke München (SWM) refurbished the gas-turbine installation and commissioned

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Sentinel takes first responder awareness training to next level

Aeros, Best Practices / By Team-CCJ

Sentinel Energy Center Owned by Sentinel Energy Center LLC Operated by DGC Operations LLC 850 MW, eight unit, LMS100 simple cycle peaking facility located in North Palm Springs, Calif. Plant manager: Dennis Johnson Background. Large power generating facilities present hazards and layout complexities that many local responders do not encounter routinely. Sentinel Energy Center formalizes

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Sprint purge drain-valve upgrade prevents water intrusion into instrument air at Exira

Aeros, Best Practices / By Team-CCJ

Exira Station Owned by Western Minnesota Municipal Power Agency Operated by Missouri River Energy Services 140-MW, simple-cycle peaking facility with three LM6000PC gas turbines located in Brayton, Iowa. Plant manager: Ed Jackson Background. Frequent cycling of the SPRINT system created a pathway for water to migrate into Exira Station’s instrument-air system, affecting multiple turbine and

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Fuel-gas hose pressure testing isolates package leaks at Edgewood

Aeros, Best Practices / By Team-CCJ

Edgewood Energy LLC Owned by Milepost Power Holdings Operated by NAES Corp 92-MW, simple-cycle peaking facility with two GE LM6000 gas turbines located in Brentwood, NY. Plant manager: John Lawton Challenge. One of the site’s gas turbines triggers recent package LEL alarms. During operation, personnel also report smelling natural gas around the package. The alarming

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Bluetooth level sensors add hands-off tank-level access at Larkspur, Indigo

Aeros, Best Practices / By Team-CCJ

Wildflower Energy LP Owned by Diamond Generating Corp Operated by DGC Operations Indigo Generation: 136-MW simple-cycle peaking plant in North Palm Springs, Calif, with three GE LM6000 PC Enhanced Sprint gas turbines. Larkspur Energy: 98-MW simple-cycle peaking plant in Otay Mesa, Calif, with two GE LM6000 PC Sprint gas turbines. Plant manager: Mike Carpenter Background.

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LOTO wall improves outage awareness at REO Cogen

Aeros, Best Practices / By Team-CCJ

REO Cogeneration Plant Owned and operated by Lansing Board of Water & Light 100 MW, 2 × 1 LM6000PF-powered combined cycle equipped with IST once-through steam generators, located in Lansing, Mich. Plant manager: Tom Dickinson Challenge. Because REO Cogen is certified to ISO 55001, certain documents must be controlled. Historically, the plant printed LOTO clearances

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MB Lee improves starting reliability and forced outage rate

Aeros, Best Practices / By Team-CCJ

Milton B Lee Peakers CPS Energy 376-MW simple cycle peaking facility powered by eight LM6000PC gas turbines located in San Antonio, Tex. Plant manager: Ryan McDonnell Challenge. Following an extended period of subpar performance, the owner partnered in 2017 with the gas-turbine OEM and an engineering firm to evaluate reliability across the eight LM6000PC peaking

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