Electric power is less expensive at night because

Q. Electric power is less expensive at night because

A

more hydroelectric generation is brought on line at night

B

there is less demand at night

C

pollution control is less stringent at night

D

power plants are more efficient at night

Solution:

Specific peak and off-peak hours vary by supplier, but a general rule of thumb is off-peak hours are at night, while peak hours occur during the day.

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