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Energy Consumption

 

Typical Daily Energy Consumption of AC Appliances

(115 VAC loads) 

Appliance/Equipment

Typical Power Rating (Watts)

Typical Annual Electricity Used (kWh) incl. automatic on/off cycling

Refrigerator:
  450 litres (16 ft3) standard

 

440

  450 litres (16 ft3) high efficiency

 

200

  113 litres (4 ft3) standard

 

350

  113 litres (4 ft3) high efficiency

 

60

Freezer:
  540 litres (19 ft3) standard

 

500

  540 litres (19 ft3) high efficiency

 

440

  113 litres (4 ft3) standard

 

250

  113 litres (4 ft3) high efficiency

 

120

Dishwasher, excluding hot water

1300

292

Clothes Dryer

4000

500

Stove

 

800

Block Heater

500

180

Clock

2

18

Clothes Washer (excluding hot water):
  Wringer

300

75

  Automatic

500

100

Coffee Maker

900

100

Computer:
  Portable desk top

200

200

Laptop

15

16

Printer

10-300

2-100

Drill

300

3

Fan, portable

120

70

Furnace fan

350

1100

Hair dryer

1000

20

Iron

1000

140

Lighting:
  60 watt incandescent bulb

60

110

  24 watt compact fluorescent
  (75 W incandescent equiv)

24

44

fluorescent 15 cm single ended

9

17

Oven, microwave

1000

100

Radio, transistor

5

10

Saw, circular

400-1000

5

Radiotelephone: idle

12

50

Radiotelephone: transmitting

100

2

Single side band radio (idle)

4

12

Stereo, portable

30

22

Telephone, portable

3

26

Telephone, answering machine

6

52

Television:
  14” black & white

40

29

  14” colour

90

65

Toaster

1100

40

Vacuum cleaner, portable

800

40

VCR

30

10

Water Pump

400

150

DC Livestock pumps:

 

 

  250 litre/hour @ 6 m head

15

 

  400 litre/hour @ 25 m head

60

 

  180 litre/hour @ 70 m head

72

 

 

 

Typical Daily Energy Consumption of DC Appliances (12 VDC loads)

 

Appliance / Equipment

Typical Power Rating (Watts)

Typical Annual Electricity Used (kWh) incl. automatic on/off cycling

Air Compressor

60

5

Auto Stereo

6

7

Clock, digital

5

44

Drill

144

5

25 watt incandescent bulb

25

46

25 watt equivalent fluorescent

25

46

Circular saw

200-1000

5

Television:
  black & white (2 hr/day)

20

15

  colour (2 hr/day)

60

45

Toaster

1100

40

Ventilation Fan (15 cm blade)

24

5

Water Pump:
  13 l/min automatic demand

90

70

  11.6 l/min

36

26

  7.5 l/min

18

13

 

 

 

 

 

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