1 Economic analysis of different power plants Report

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Politecnico di Milano MSc. Energy Engineering – Power Production Energy Conversion A Prof. Gianluca Valenti PROJECT 1 ECONOMICS OF POWER PLANTS a.y. 2015/16 Giulia Boschi Omar Brembilla Alessandro Mosca 2 INTRODUCTION The main purpose of the present analysis is to perform an economic comparison of the following power generation technologies that use different power source. ▪ Simple Cycle Natural Gas: o HDGT: Natural Gas-fired Heavy-Duty gas turbine in simple cycle o ADGT: Natural Gas-fired Aero-Derivative gas turbine in simple cycle o NGSC: Natural Gas-fired Steam Cycle (Natural Gas Steam Cycle) ▪ Combined Cycle Natural Gas: o IGCC: Integrated Gasification Combined Cycle o NGCC: Natural Gas-fired combined cycle ▪ CCcog: Cogenerative Combined Cycle ▪ Coal Steam cycles: o PCSC: Pulverized Coal Steam Cycle + FGD (Flue Gas Desulphurization) o USC: Pulverized Coal Ultra-Super Critical Steam Cycle + FGD ▪ Renewable energies: o CSP: Concentrated Solar Power Plant (Parabolic Trough with Diathermic oil + Steam Cycle) o Wind: On-shore wind farm ▪ PWR: Nuclear power plant with Pressurized Water Reactor ▪ Hydroelectric: pumped storage power plant 3 The input data are the following: Power Plant IC [€/kW nom] CCF Availability [h/yr] O&M Fixed [€/KW nom yr] O&M Variable [€/MWh el] η el nom Hydroelectric 700 0.0905 3000 11 1 0.71 PWR 4000 0.0989 7600 53 1.5 0.35 NGCC 600 0.1053 8000 12.3 1.2 0.58 HDGT 250 0.1009 8000 6 9 0.35 ADGT 300 0.1009 8000 8 9 0.40 NGSC 800 0.1076 7500 13 2 0.41 CC cogen 700 0.1175 5500 16 1.5 0.43 PCSC + FGD 1300 0.1124 7500 17.5 2.5 0.39 IGCC 2000 0.1149 6000 20 3.2 0.43 USC + FGD 1500 0.1124 7250 17.5 3 0.44 CSP See Text 0.0977 2100x 11 3 0.25* Onshore Wind§ See Text 0.1053 2000y 8 0.2 0.42* * Efficiency with respect to nominal conditions (Direct irradiation…