An electric power distributor charges residential customers s0.12 per kilowatt-h

Question

An electric power distributor charges residential customers s0.12 per kilowatt-hour (kWh). The company advertises that "green power" is available in 145 kWh blocks for an additional $4.50 per month. (Green power is generated from solar, wind power, and methane sources.) a. If a certain customer uses an average of 380 kWh per month and commits to one monthly 145 kWh block of green power, what is her annual power bill? b. What is the average cost per kWh with green power during the year? c. Why does green power cost more than conventional power? a. The annual power bill is $LI (Round to the nearest dollar.) b. The average cost per kWh with green power during the year is sper kWhr. (Round to the nearest cent.) c. Why does green power cost more than conventional power? Choose the correct answer below O A. Conventional power technology provides clean energy O B. Reserves of the coal and natural gas decrease. O C. The technology used to capture energy from solar, wind power and methane is more expensive. O D. Conventional power can be used immediately or stored for later use.

Explanation / Answer

a)monthly cost=(0.12*amount of kwh)+4.5 for 145kwh grren
=(0.12*380)+4.5=50
for an year it is 50*12=-600

b)avergae cost per kwH=(4.5*12)/145=0.37

c)Option C

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