Introduction

The Energy Story

  Energy Is Born
  Energy Types
  Energy Changes
  Energy Generation

The Energy Problem

  Conservation of Energy
  Aging of Energy
  Finite Resources
  The Oil "Crisis"
  Energy Pollution
  Discussion Topics

The Energy Solution

  Conserving Electricity
  Appliance Efficiency
  Heating Conservation
  Renewable Energy

Web Links

Teacher Guide

About the Author


Secret Lives Title - The Energy Solution


Conserving Electricity
The following table presents one possible result for the Energy Inventory. Your results might be different depending on which appliances are in your house, how many people are using them, and how often they are used.


Sample Inventory

Electricity Cost = 0.077 $ / kwatt hr
# Item Power
(kwatts)
Estimated
Time
(hr/yr)
Energy
Use

(kwatt hr/yr)
Cost

($/yr)

1 Toaster
1.3
360
468
36
2 Oven
12.0
360
4320
332
3 Incandescent Lamp
0.1
4380
438
34
4 Fluorescent Lamp
0.02
4380
88
7
5 Television
0.15
3650
548
42
6 Computer
0.3
3650
1095
84
7 Video Games (no TV)
0.025
730
18
2
8 Hair Dryer
1.3
360
468
36
9 Clothes Washer
0.5
400
200
15
10 Clothes Dryer
4.9
800
3920
301
11 Table Fan
0.025
288
7
1
12 Hot Water Heater
5.0
876
4380
337
13 Food Blender
0.3
365
110
8
14 Clock
0.005
8760
4
1
15 Vacuum Cleaner
0.6
365
219
17
16 Space Heater
1.0
720
720
55
17 Clock Radio
0.002
8760
18
1
18 Stereo (Amplifier)
2.3
720
1660
128
19 Air Cleaner
.05
8760
438.
34
20 Power Drill
1.0
100
100
8
21 Torchiere Lamp
0.15
4380
657
51
22 Coffee Pot
0.2
180
36
3
23 Refrigerator
0.8
4380
3504
270
24 Floodlight
1.0
360
360
28
25 Electric Blanket
0.2
720
144
11
26 Air Conditioner
3.5
720
2520
194
27 Dishwasher
1.5
360
540
41
28 Microwave
1.0
360
360
28
29 .Small Freezer
0.5
4380
2190
168
30 .
.
.
.
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