1 Economic analysis of different power plants Text

Page 1

ENERGY CONVERSION A 2015-16 1 Project no. 1 Economics of power plants The main purpose of the present analysis is to perform an economic comparison of the follow- ing power generation technologies:  Hydroelectric Hydroelectric pumped storage power plant  PWR Nuclear power plant with Pressurized Water Reactor  NGCC Natural Gas-fired Combined Cycle  HDGT Natural gas-fired Heavy-Duty Gas Turbine in simple cycle  ADGT Natural gas-fired Aero-Derivative Gas Turbine in simple cycle  NGSC Natural Gas-fired Steam Cycle  CCcog Combined Cycle  PCSC Pulverized Coal Steam Cycle + FGD (Flue Gas Desulphurization)  IGCC Integrated Gasification Combined Cycle  USC Pulverised Coal Ultra-Super Critical Steam Cycle + FGD  CSP Concentrated Solar Power Plant (Parabolic Trough with Diathermic oil + Steam Cycle)  Wind On-shore wind farm Input data are as follows. Power plants characteristics Power Plant I.C. CCF Availability O&M Costs enom (€/kWnom) h/y Fixed Variable (€/kWnom y) (€/MWhe) 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 of 0.8 kW/m2 and nominal wind speed 8 and 15 m/s). § consider two wind farms with different wind speeds, 8 m/s e 15 m/s respectively. x,y the equivalent hours of the renewable energy sources are calculated considering the output power at nominal conditions.  The typical investment costs (IC) have been…