19. A challenge gaining prominence throughout the planet is the increased need f

Question

19. A challenge gaining prominence throughout the planet is the increased need for "green" or sustainable energy. In certain parts of the country, wind farms are a viable alternative to conventional energy sources. An average wind turbine (the device which converts rotational motion to electricity) has a maximum capacity of 1.20 MW. However, realistically the wind turbine never runs at full power. If a wind turbine runs at 26.2% capacity for 1.00 year, how much energy does the wind turbine generate? An average American household consumes 9500 kWh in 1.00 year. How many houses can the one wind turbine power?

Explanation / Answer

a)

Energy generated by the wind turbine per year

E=0.262*(1.2*106)*(365*24)

E=2754144 KWH or 2754.144 MHW

b)

Number of houses one wind turbine power is

N=2754144/9500

N=289.9 =290 Houses (approx)

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