ANSALDO ENERGIA Power Generation Solutions

Contract: Vado LigureClient: Tirreno Power (Suez/Sorgenia)Type of supply contract: EPC ContractCountry: ItalySite type: Brownfield/RepoweringService Agreement: LTSACommercial operation: 2007Configuration:800 MW (2+1) Multishaft CCGENGENGENGTSTGTHRSGCond.HRSGThe information contained in this publication is provided for illustrative purposesonly. Product descriptions and content may change in consideration of specific marketsituations. Ansaldo Energia may make changes to the descriptions provided atany time for technical or commercial reasons.Main characteristicsPlant main featuresVado Ligure is a 2+1 combined cycle unit obtained repoweringthe existing heavy oil fired block of Vado Ligurepower plant. This choice allowed for the client a greatsaving in terms of efficiency, spaces and emissions withoutconsidering that the steam turbine and its auxiliaries,the existing pedestal, the sea water condenser and thesteam turbine generator were overhauled and refurbishedto be reused in the new unit.Moreover the new automation system based upon fieldbus technology was successfully tested.Gas TurbineAE94.3A x 264 MW - 50 HzMain fuel: natural gasSteam TurbineRT x 267 MW - 50 Hz126/31/4.2 bar - 551/556/244°CGeneratorGT units: WY23Z-109LL - 300 MVA - 20 kV - 50 Hz - aircooledST unit: ATH 370000/2 - 370 MVA - 20 kV - 50 Hz -H 2 /H 2 O cooledHeat Recovery Steam GeneratorThree pressure levels with RH, natural circulation, drumtype with integrated deareator.Cooling SystemSea water surface condenser. The circulating water systemuses the existing sea water intake and sea water dischargechannel with new circulating water pumps.16152 Genova - Via N. Lorenzi, 8 - ItalyPhone: +39 010 6551 - Fax: +39 010 655 6209www.ansaldoenergia.it