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+// A Texbook on POWER SYSTEM ENGINEERING
+// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar
+// DHANPAT RAI & Co.
+// SECOND EDITION 
+
+// PART I : GENERATION
+// CHAPTER 7: TARIFFS AND ECONOMIC ASPECTS IN POWER GENERATION
+
+// EXAMPLE : 7.5 :
+// Page number 74
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+load_1 = 150.0          // Load supplied by station(MW)
+load_2 = 120.0          // Load supplied by station(MW)
+load_3 = 85.0           // Load supplied by station(MW)
+load_4 = 60.0           // Load supplied by station(MW)
+load_5 = 5.0            // Load supplied by station(MW)
+MD = 220.0              // Maximum demand(MW)
+LF = 0.48               // Annual load factor
+
+// Calculations
+// Case(a)
+hours_year = 365.0*24                             // Total hours in a year
+units = LF*MD*hours_year                          // Number of units supplied annually
+// Case(b)
+sum_demand = load_1+load_2+load_3+load_4+load_5   // Sum of maximum demand of individual consumers(MW)
+diversity_factor = sum_demand/MD                  // Diversity factor
+// Case(c)
+DF = MD/sum_demand                                // Demand factor
+
+// Results
+disp("PART I - EXAMPLE : 7.5 : SOLUTION :-")
+printf("\nCase(a): Number of units supplied annually = %.2e units", units)
+printf("\nCase(b): Diversity factor = %.3f ", diversity_factor)
+printf("\nCase(c): Demand factor = %.3f = %.1f percent", DF,DF*100)