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Electricity |
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Some Facts
| Item |
Time |
Kilowatts used |
Cost |
| 60W incandescent light bulb |
16 hours |
1 kilowatt hour |
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| 16 hours a day, 5 days a week for the year |
260 kilowatt hours |
$65 |
| 100W incandescent light bulb |
10 hours |
1 kilowatt hour |
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| 25W compact fluorescent light |
10 hours |
0.3 kilowatt hour |
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| 16 hours a day, 5 days a week for the year |
78 kilowatt hours |
$20 |
| Computer with 17" LCD projector |
8 hours |
1.3 kilowatt hours |
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- Heat takes more energy than lighting...
- A kilowatt hour of electricity in Hawaii costs about 25¢ but it flucuates depending on gas prices.
- Permanently turning off a 60W incandescent light bulb (assuming it was used 16 hours a day, 5 days a week) will save $230.
Main Sources of Electricity in Hawaii
- Petroleum
- Solar
- Wind
- Geothermal - produces about 20% of the Big Island's electricity
Resources
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