Compare the yearly greenhouse gas emissions from 1 GWe (gigawatt-electric) power stations powered by natural gas...

Compare the yearly greenhouse gas emissions from 1 GWe (gigawatt-electric) power stations powered by natural gas and wind turbines. The energy content of natural gas is 55 MJ/kg, and the electrical converting efficiency is 40%. Wind turbines do not emit CO₂ as they harness the wind but emissions do occur during the manufacturing of the turbine. For USA, assume the CO₂ emission per GDP is approximately 500 Tonnes / $ 1 million of GDP. For wind turbines, it costs $2 million for a 1 MWe plant, which has an efficiency of 0.3, and the yearly maintenance is approximately 2% of the initial cost. Assume the average lifetime of a wind turbine is 20 years.

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samet mamat answered 1 year ago

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