In 2006 the total supply of electricity from all three sectors of ...

[tsand2]

In 2006 the total supply of electricity from all three sectors of the grid was ___________
 
  a. 1.139 billion kilowatts
  b. 1.128 billion kilowatts
  c. 15.6 megawatts

Question 2

Explain the need for an uninterruptible and continuous power source for residential and industrial uses.
 
  What will be an ideal response?

Question 3

If electricity from a solar energy system is connected to grid ___________
 
  a. It must be 24 volts DC because the voltage on the grid is DC.
  b. It must be sent through an inverter because the frequency needs to be 60 Hz to match the voltage on the grid.
  c. Electricity from solar energy can never be connected to the grid.

[SeanoH09]

Answer to Question 1

A

Answer to Question 2

Some commercial customers have security and computer equipment that requires electrical power 24 hours a day, 7 days a week. Also hospitals, police, and other departments may also need power around the clock. Some industries such as those with refrigeration systems may also need power around the clock.

Answer to Question 3

A