Transcription of Understanding Pumped Storage Hydropower
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Michael Manwaring, HDR EngineeringUnderstanding Pumped Storage HydropowerMichael Manwaring, HDR EngineeringChair, NHA Pumped Storage Development CouncilNovember 2012 Presentation Agenda General Overview Historic Perspective Variable Renewable Energy Integration Siting a Pumped Storage Project Water Resource Needs Transmission Needs & Siting Transmission Needs & Siting Overview of MarketsExisting Pumped Storage ProjectsJocassee & Bad Creek Pumped Storage Projects (Duke, South Carolina) Pumped Storage Project Design SchemePumped Storage Project Design SchemeOverview: Challenges to Develop Pumped StorageProjects are Capital Intense Licensing ($millions) Construction/Operation ($billions)Markets Limitations: Valuing services Pumped Storage and conventional Hydropower provide (missing revenue)
Power quality Load leveling Energy Storage Technology Operating principle System output Cycle efficiency Applications Two electrolytes are separately stored 60 - 80% min - hours / seconds Load leveling Renewables storage Massive rotating cylinder stores/delivers energy via 95% Voltage/Frequency sec - min / stabilization 100 kW – 10 MW 100 kW ...
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