Sizing Gensets
Know your electricity consumption and help saving electricity
The table below tells you how much energy you consume through various devices. You can save a lot of energy for the nation and cut your electricity bills by switching off the devices which are not required.
Some Ready Calculations
| Device (Capacity & Size) | Wattage | Monthly Electricity Consumption (kWh) | One Unit od power will be consumed when you run the device for… | ||
| One hour/day | Six hours/day | ||||
| Bulb | 25 | 0.75 | 4.5 | 40 hrs. | |
| 40 | 1.2 | 7.2 | 25 hrs. | ||
| 60 | 1.8 | 10.8 | 16 hrs. 40 min | ||
| 100 | 3 | 18 | 10 hrs | ||
| CFL | 5 watt |
7 | 0.21 | 1.26 | 143 hrs. |
| 9 watt | 11 | 0.33 | 1.98 | 90 hrs | |
| 11 watt | 13 | 0.39 | 2.34 | 77 hrs. | |
| 25 watt | 27 | 0.81 | 4.86 | 37 hrs. | |
| Fluorocent Tube Lights 48″ |
with Copper choke | 55 | 1.65 | 9.9 | 18 hrs. 11 min. |
| with Electronic choke | 35 | 1.05 | 6.3 | 28 hrs. 11 min. | |
| Night Lamp | 15 | 0.45 | 2.7 | 66 hrs. 40 min. | |
| Ceiling fan | 36/48″ | 50 | 1.5 | 9 | 20 hrs. |
| 56″ | 60 | 1.8 | 10.8 | 16 hrs. 40 min. | |
| 60″ | 71 | 2.1 | 12.6 | 14 hrs. 17 min. | |
| Table Fan 12″ / 16″ | 40 | 1.2 | 7.2 | 25 hrs. | |
| Electric Iron | Domestic | 45./700 | 13.5 to 21 | 81 to 126 | 2 hrs. 13 min to 1 hr. 25 min. |
| Dhobi | 1000 | 30 | 180 | 1 hr. | |
| Immersion Iron | 1000 | 30 | 180 | 1 hr. | |
| Geyser | Storage 15-50 lit | 2000 | 60 | 360 | 30 min. |
| Instant | 3000 | 90 | 540 | 20 min. | |
| AC | 1 ton | 1400 | 42 | 252 | 43 min. |
| 1.5 ton | 1800 | 54 | 324 | 33 min. | |
| Air Cooler | 170 | 5.1 | 30.6 | 5 hrs. 53 min. | |
| Refrigerator | Small | 225 | 2 unit/day | ||
| Big | 300 | 4 unit/day | |||
| Toaster | 800 | 24 | 114 | 1 hrs. 15 min. | |
| Hot Plate | 1000/1500 | 30 to 45 | 180 to 360 | 1 hr. to 40 min. | |
| Elecric Kettle | 1000/2000 | 30 to 60 | 180 to 360 | 1 hr. to 30 min. | |
| Mixer-Juicer (Big) | 450 | 13.5 | 81 | 2 hrs. 13 min. | |
| Washing Machine | Automatic | 325/1000 | 3 hrs. 5 min. to 5 hrs. | ||
| Semi-Autometic | 200 | 6 | 36 | 5 hrs. | |
| Vacuum Cleaner | 700-750 | 21 to 22.5 | 126 to 135 | 10 hrs. 26 min. to 1 hr. 20 min. | |
| Radio | 15 | 0.45 | 2.7 | 66 hrs . 40 min. | |
| Tape Recorder | 20 | 0.6 | 3.6 | 50 hrs. | |
| TV | 60 to 120 | 1.8 to 3.6 | 10.8 to 21.6 | 16 hrs. 40 min. to 8hr. 20 min. | |
| Video | 40 | 1.2 | 7.2 | 25 hrs. | |
| Mosquito Repellant | 5 | 0.15 | 0.9 | 200 hrs. | |
| Water Purifier | 25 | 0.75 | 4.5 | 40 hrs. | |
| Computer | 100 to 150 | 3 to 4.5 | 18 to 27 | 10 hrs to 6 hrs. 40 min. |
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