Best Practices – Combined Cycle Journal

Best Practices

Automated reports provide rapid plant insight and understanding at HKW Freimann

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

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

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

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

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

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

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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University Park prevents freeze-related start failures

University Park North and South North: 540-MW, simple-cycle peaking facility with twelve GE LM6000s. South: 300-MW, simple-cycle peaking facility with six FT8 TwinPacs. The plant is located in University Park, Illinois. Owned by LS Power Operated by IHI Power Services Plant manager: Brandon Dupler Background. University Park North and South use demineralized NOx water injection

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Right-sizing plant air for non-dispatch periods at Nevada Cogen

Nevada Cogeneration Associates No. 2 Owned by Panamint Capital Operated by IHI Power Services 85-MW, gas-fired, 3 × 1 LM2500-powered combined-cycle cogeneration facility located in Las Vegas, NV Plant manager: Chris Benkman Background. Nevada Cogeneration Associates 2 (NCA2) shifted from a baseload operating model after a long-term power purchase agreement ended, and the O&M team

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Fuel-gas letdown controls provide multiple benefits at Mariposa

Mariposa Energy Project Owned by Diamond Generating Corp Operated by DGC Operations 200 MW, gas-fired 4 × 0 LM6000PC-powered (Sprint equipped) peaking plant, located in Alameda County, Calif Plant manager: Justin Crook Background. Mariposa Energy Project is a 200-MW peaking facility in northern California with four LM6000 units. Plant fuel supply is delivered from the

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