Approximate estimation of power demand can be made by load survey method, statistical methods, mathematical method, economic parameters.

Answer : In a power plant if the maximum demand on the plant is equal to the plant capacity, then plant reserve capacity will be zero.

Answer : Maximum demand on a power plant is the greatest of all "short time interval averaged" demand during a period.

Answer : Power plant having maximum demand more than the installed rated capacity will have utilisation factor more than unity.

Answer : In Hopknison demand rate or two part tariff the demand rate or fixed charges are dependent upon the maximum demand of the consumer.

Answer : Demand factor is defined as maximum demand/connected load.