How to Calculate Your Consumption
You may roughly calculate the consumption for your connection on the basis of the load of each one of your household appliances by looking at the table given below and adding up the load for all your general lighting items, heating appliances, cooling appliances and other items which you may possess in your house. 1000 W (watts) is 1KW (kilowatt).
 
Appliances

Approximate Load (Watts)

No. of Equipments

Average 
Hours /Day

Approximate Units/Month

General Lighting

Lamps (Bulb) 40      
Lamps (Bulb) 60      
Lamps (Bulb) 100      
Lamps (CFL) 11      
Lamps (CFL) 22      
Tube Lights 40       

Heating Appliances

Electric iron 600- 1000      
Immersion heater 1500      
Water heater/Geyser 1000- 2000      
Toaster 750      

Cooling Appliances

Refrigerator (165 liters ) 200      
Window air -conditioner 
( 1.5 ton)
1500 -2000      
Desert cooler ( medium) 200      
Room cooler 60 -200      
Table fan/ceiling fan 60-100      
Exhaust fan 150      

Other Items

Washing machine 700      
Radio 40      
Television 200      
Mixer-cum-grinder 200      
Computer 200      
Pump motor (Half HP) 370      
Pump motor (1 HP) 740      
Pump motor(1.5 HP) 1110      

Total Monthly Consumption: