Name____________________________________

Graph Energy Costs per Appliance

Chart based on electric cost of:  7 cents per kilowatt hour


Appliance

Wattage

Usage (kWh) per Month

Cost :  (KwH/month) x .7

Hair Dryer

1,000

4

0.28

Dishwasher

1,200

35

2.45

Computer

800

50

3.50

Microwave

1,000

15

1.05

Radio/Stereo

50

20

1.40

Refrigerator

550

50

3.50

Television

300

40

2.80

Blender

700

12

.84


**Create a BAR GRAPH comparing the cost of each appliance

graph


Analysis

1.  How is the monthly cost of each appliance calculated in this example?

 

2.  How would the cost of your stereo change if the electric company raised rates to .10 per kWh

 

3.  How can you reduce the cost of your household’s electric bill?