Power Systems
A power station plant load factor is defined as the ratio of

 minimum load to average load
 minimum load to peak load
 the energy generated to that of maximum energy that could have been generated
 average load to the peak load

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Power Systems
In hydroelectric power plants

 operating cost is high and initial cost is low.
  operating cost is low and initial cost is high.
 both operating and initial cost are low.
 both operating and initial cost are high.

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