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//Electric Power Generation, Transmission and Distribution by S.N.Singh
//Publisher:PHI Learning Private Limited
//Year: 2012 ; Edition - 2
//Example 4.5
//Scilab Version : 6.0.0 ; OS : Windows
clc;
clear;
LF=0.35; //Load factor in percentage
mon_consumption=504; //Monthly consumption in kWh
max_dem_rate=180; //Maximum demand per kWh in Rs
Unit_rate=2.00; //Unit rate of electricity per kWh in Rs
max_dem1=mon_consumption/(LF*24*30); //Maximum demand of consumer in kW
mon_bill1=(max_dem1*max_dem_rate)+(Unit_rate*mon_consumption); //Monthly bill of consumer in Rs
overall_cost1=mon_bill1/mon_consumption; //Overall cost of consumer in Rs
new_consumption=mon_consumption*1.20; //New consumption of consumer in kWh
max_dem2=new_consumption/(LF*24*30); //Maximum demand of same Load factor in kW
mon_bill2=(max_dem2*max_dem_rate)+(Unit_rate*new_consumption); //Monthly bill of consumer in Rs
overall_cost2=mon_bill2/new_consumption; //Overall cost of consumer in Rs
max_dem3=mon_consumption/(0.40*24*30); //Maximum demand of increased load factor in kW
mon_bill3=(max_dem3*max_dem_rate)+(Unit_rate*mon_consumption); //Monthly bill of consumer in Rs
overall_cost3=mon_bill3/mon_consumption; //Overall cost of consumer in Rs
printf("\nThe monthly bill is %.f Rs and the average cost per KWh is %.2f Rs",mon_bill1,overall_cost1);
printf("\nThe overall cost per kWh if the consumption is increased by 20 percentage with the same load factor is %.2f Rs",overall_cost2);
printf("\nThe overall cost per kWh if the consumption remains same but loadfactor is increased to 40 percentage is %.2f Rs",overall_cost3);
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