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# pset3 - Rev...

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Rev. 2/14/05 1.818J/2.65J//3.564J10.391J/11.371J/22.811J/ESD166J SUSTAINABLE ENERGY Spring 2005 HOMEWORK #3: ECONOMIC AND RESOURCE ANALYSIS 1. Using the class notes and relevant chapters from the textbook we wish to evaluate factors of economic performance of different electricity generation proposals. Please assume reasonable values for any necessary but unspecified problem parameters. A. Which of the follow two power plant concepts is economically more attractive? a ) A coal-fired power station for which the following data apply: • Specific capital costs • Interest rate • Inflation rate • Taxation rate • Capacity factor • Thermal efficiency • Service lifetime • Fuel cost • Operations cost • Peak power generation capacity = 1,500 \$/kWe -1 = 0.07 yr -1 = 0.03 yr -1 = 0.02 yr = 0.90 = 0.40 = 50 yr = 0.005 \$/kWhrt 6 = 50x10 \$/yr = 1,000 MWe b ) A solar-power photovoltaic station for which the following data apply: • Peak power generation capacity = 1,000 MWe • Peak solar energy flux = 400 kW/m 2 • Solar collector specific cost = 1,000 \$/m 2 • Power conversion efficiency = 0.10 (converting solar energy into electricity) • Capacity factor = 0.15 • Service lifetime = 30 yr • Operations cost = 50x10 6 \$/yr • Interest, inflation and taxation rates are the same with the coal-fired plant In comparing these concepts do this on the basis: 1 of 4

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pset3 - Rev...

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