The average current rate charged is 01005kWh There are appro

The average current rate charged is $0.1005/kWh. There are approximately 7,300 households in Rexburg, Idaho A 100 MW windfarm, including 67 turbines, will likely produce around 5 MW of power (the wind doesn’t blow all the time.) 1 MW will power approximately 1,000 homes Answer the following questions before writing your statement: How many kwh does an average household use in a typical month? (You may use data for average homes in the U.S.) How many wind turbines will it take to power all of the homes in Rexburg, Idaho? How much does an average commercial scale wind turbine cost (including installation)? What would be the total cost of all the wind turbines needed to power the homes in Rexburg, Idaho? How long would it take to “break even” on the installation and turbine cost? What is the average life span of a wind turbine? In your opinion, should Rexburg, Idaho invest in a windfarm? There may be other questions you will think of that are important to this case. You may want to consider or address those.

Solution

a)1000 homes consume 1MW

so 1 home consumes 1kW

there are 24*30 days a month so total consumption in month = 720kWh

b)67 turbines give 5MW which power 5000 homes

so 7300 houses need 67*7300/5000=98 turbines.

c)$2 million per MW

d)totla cost =7.3MW*$2 million per MW = $14.6 million