GroupGeneral InfoOwner/s: SolarReserveTechnology: Central receiver (power tower)Country: USStatus: Under constructionPurpose: CommercialUsage: ElectricityPower: 110.00 MWConstruction start date: September 2011Start date: January, 2014Location: Tonopah, NevadaGeneration: 500.00 GWh TechnologySolar fieldMirrors / Reflective surface: FlabegHeliostat aperture: 62 square meterNumber of heliostats: 17,170Reflecting area: 1 071 361 m²Central receiver: Pratt & Whitney RocketdyneReceiver type: External - cylindricalHeat Transfer Fluid: Molten salts - sodium and potassium nitratesHTF Temp in: 287ºCHTF Temp out: 565ºCTower height: 164 meter (540 ft)Power blockStorage Y/N: YesStorage type: two tank direct - Molten saltsStorage: 10.00 HoursPower cycle: Steam RankinePower cycle pressure: 115 barTurbine: Alstom MT Companies involvedProject developer: SolarReserveEPC: CobraO&M: SolarReserveKey components suppliers: FlabegAlstomSuppliers details: Pratt & Whitney Rocketdyne (Technology provider)Nabtesco (Solar traking drive)Flowserve (Pumps)Flabeg (Mirrors)Alstom (Turbine)IDOM (Basic and Detailed engineering of Power Block and Salt System)BEROA (Tower construction) SocioeconomicsCost: 800 million USDGeneration Offtaker: NV EnergyPPA/Tariff: 25 years PPA agreement - USD0.135 per kWhConstruction Employment: 1500 jobs-yearO&M employment: 200Financing: SantanderUS Department of Energy loan guarantee - $737 millionACS Cobra OtherSolar resource: 2 685 kWh/m2/yrSolar resource source: NRELOther info: The project is owned by Tonopah Solar Energy SLL. The technology used in the project was developed by Pratt & Whitney Rocketdyne which has licensed it to SolarReserve After Gemasolar (20 MW in Spain) this is the second large-scale plant to use molten salts as HTF and storage fluid.
