Watts x Hours Used
x Cost per kilowatt-hour = Total Cost
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1000
For example, let's say you have a big high-end computer with a gaming-level graphics card and CRT monitor, and you leave them on 24/7. That's about 330 watts x 24 hours x 365 days/yr = 2,890,800 watt-hours, or 2891 kilowatt-hours. If you're paying $0.14 per kWh, you're paying $405 a year to run your computer.
2006-09-16 05:14:21
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answer #1
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answered by ? 3
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