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Power31Flexible Control Solution for IPP Generation Facility with CFB BoilerExecutive SummaryFlexible operation of CFB facility by independent power producer (IPP)- 149MW coal-fired power plant operated by IPP- First use of circulating fluidized bed (CFB) boiler by IPP in Japan- Fly ash recycled at adjacent cement plant- Daily operation in swing mode and shutdown/startup responding to shifts in electricity demand- Controlled by Yokogawa’s CENTUM systemBackgroundThe Itoigawa Power Plant was constructed adjacent to a cement plant in Itoigawa City, Niigata Prefecture, and is operated by an IPP that supplies electricity to Tohoku Electric Power, one of Japan’s major power companies. The use of a 149 MW coal-fired CFB boiler in this power plant is a first for an IPP in Japan, and this effectively reduces NOx emissions. This power plant also recycles at an adjacent cement plant the fly ash that is the byproduct of coal combustion.Plant InformationPlant name: Itoigawa Power PlantLocation:Niigata, JapanProject type:NewPlant type:Coal-fired power plantOutput:149MW Order date:1999Completion:2000

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